Toshiba GRZ100-211B Instruction Manual Download Page 156

Page: 156 / 463

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155

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Signal Processing and
Communication Module

Analog
filter

A/D
Converter

O/E

E/O

S/P

P/S

(SPM)

Binary I/O Module (IO#3)

Binary output

(*2)

Transformer
Module (VCT)

IRIG-B
port

AC input

External
clock

DC
supply

Remote PC

Binary I/O Module (IO#1)(*1)

DC/DC
Converter

Binary input

15(IO1) or

12(IO8)

Binary output

(High speed)

6(IO1) or

3(IO8)

Binary I/O Module (IO#2)

Binary output

RS485

Transceiver

Binary input

Human Machine Interface(HMI)

Liquid crystal display
40characters

4lines

LEDs

Monitoring jacks

Operation keys

RS232C

I/F

Local PC

Trip
command

(or VT

Telecommunication
system

MPU2

Auxiliary relay

Photocoupler

Auxiliary relay

Photocoupler

MPU1

Binary input

3(IO4) or

10(IO5)

14(IO3) or

10(IO5)

Auxiliary relay

Photocoupler

Binary I/O Module (IO#4)

Binary output

Binary input

Auxiliary relay

Photocoupler

Opt. I/F
or
Ethernet
LAN I/F

Remote PC

(*1):

IO1 required for model 323

IO8 required for models 216 and 226
(*2):

IO4 required for model 323

IO5 required for models 216 and 226

Figure 3.1.1.4 Hardware Block Diagram (Models 216, 226 and 323)

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Summary of Contents for GRZ100-211B

Page 1: ...UCTION MANUAL DISTANCE RELAY WITH INTEGRAL DIGITAL COMMUNICATION GRZ100 211B 214B 216B 311B 221B 224B 226B 321B 323B TOSHIBA Corporation 2005 All Rights Reserved Ver 0 3 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 2: ...afety information that must be carefully reviewed Indicates an imminently hazardous situation which will result in death or serious injury if you do not follow the instructions Indicates a potentially hazardous situation which could result in death or serious injury if you do not follow the instructions CAUTION Indicates a potentially hazardous situation which if not avoided may result in minor in...

Page 3: ...e pulse duration 79 2 ns the emitted wavelength s 1310 nm CAUTION Earth The earthing terminal of the equipment must be securely earthed CAUTION Operating environment The equipment must only be used within the range of ambient temperature humidity and dust etc detailed in the specification and in an environment free of abnormal vibration Ratings Before applying AC voltage and current or the DC powe...

Page 4: ...ent to malfunction Short link Do not remove a short link which is mounted at the terminal block on the rear of the relay before shipment as this may cause the performance of this equipment such as withstand voltage etc to reduce Disposal When disposing of this equipment do so in a safe manner according to local regulations w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 5: ...40 2 4 3 Command Protection 43 2 4 4 High Resistance Earth Fault Protection 60 2 4 5 Overcurrent Backup Protection 67 2 4 6 Thermal Overload Protection 71 2 4 7 Switch Onto Fault Protection 73 2 4 8 Stub Protection 75 2 4 9 Overvoltage and Undervoltage Protection 76 2 4 10 Broken Conductor Protection 83 2 4 11 Transfer Trip Function 86 2 4 12 Breaker Failure Protection 88 2 4 13 Out of Step Protec...

Page 6: ...52 3 1 2 Transformer Module 156 3 1 3 Signal Processing Module 157 3 1 4 Binary Input and Output Module 158 3 1 5 Human Machine Interface HMI Module 163 3 2 Input and Output Signals 165 3 2 1 Input Signals 165 3 2 2 Binary Output Signals 169 3 2 3 PLC Programmable Logic Controller Function 170 3 3 Automatic Supervision 171 3 3 1 Basic Concept of Supervision 171 3 3 2 Relay Monitoring and Testing 1...

Page 7: ...ting 236 5 3 Electrostatic Discharge 236 5 4 Handling Precautions 236 5 5 External Connections 237 6 Commissioning and Maintenance 239 6 1 Outline of Commissioning Tests 239 6 2 Cautions 240 6 2 1 Safety Precautions 240 6 2 2 Cautions on Tests 240 6 3 Preparations 241 6 4 Hardware Tests 242 6 4 1 User Interfaces 242 6 4 2 Binary Input Circuit 243 6 4 3 Binary Output Circuit 244 6 4 4 AC Input Circ...

Page 8: ...egular Testing 277 6 7 2 Failure Tracing and Repair 277 6 7 3 Replacing Failed Modules 279 6 7 4 Resumption of Service 281 6 7 5 Storage 281 7 Putting Relay into Service 282 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 9: ...nical Data 395 Appendix L Symbols Used in Scheme Logic 407 Appendix M Example of Setting Calculation 411 Appendix N IEC60870 5 103 Interoperability 423 Appendix O Programmable Reset Characteristics and Implementation of Thermal Model to IEC60255 8 435 Appendix P Data Transmission Format 439 Appendix Q Relay Operation under Communication Failure in Backup Carrier Scheme 443 Appendix R Inverse Time ...

Page 10: ...als Synchronisation of the clocks at the various terminals Fault location by use of remote end data in the case of 3 terminal applications Continuous monitoring of the communication channels with capability to provide dual redundant channels in the case of a 2 ended system and automatic re routing of signals in the event of a communication channel failure in a 3 ended system GRZ100 can be also app...

Page 11: ...le binary inputs and outputs Programmable logic for I O configuration alarms indications recording etc Automatic supervision The GRZ100 has the following models Relay Type and Model Relay Type Type GRZ100 Numerical distance relay Relay Model For two terminal line With autoreclose for single breaker scheme Model 211B 18 binary inputs 22 binary outputs 6 binary outputs for tripping Model 214B 22 bin...

Page 12: ...lement phase fault 9 9 9 9 EF EFI Overcurrent element earth fault 9 9 9 9 SOTF OCH Switch onto fault protection 9 9 9 9 THM Thermal overload protection 9 9 9 9 VTF OVG UVF OCD VT failure supervision 9 9 9 9 PSBS PSBG Power swing blocking 9 9 9 9 OST Out of step tripping 9 9 9 9 BF Breaker failure protection 9 9 9 9 FL Fault locator 9 9 9 9 ARC SYN UV OV Autoreclose function 1CB 2CB 1CB 2CB OVS1 OV...

Page 13: ... removed but at the same time it must be ensured that only the minimum section of the power system must be isolated in order to clear the fault Figure 2 1 2 1 shows typical different protection zones on the power system In order to provide complete coverage by the protection the neighboring protection zones are set to overlap Figure 2 1 2 2 shows the relationship between the circuit breaker and CT...

Page 14: ...g state of the art highly integrated semiconductor components To maintain high reliability not only must the relay have a robust hardware structure but it is also important to detect any fault immediately and not to leave the relay in a faulted state for prolonged periods Therefore the GRZ100 is equipped with an automatic supervision function Whenever a hardware fault occurs an alarm is issued to ...

Page 15: ...ling due to the same causes as the local main protection The zone 2 and zone 3 elements of distance relays etc provide as these remote backup protection functions Local backup protection Provides backup protection at the same substation as that of the main protection and often has the purpose of providing backup when the circuit breaker fails to operate 2 1 4 Distance Relay General Performance For...

Page 16: ...wer system faults and their subsequent clearance During the course of such a power swing the impedance seen by a distance relay may move relatively slowly from the load area into the distance protection operating characteristic In fact this phenomenon appears to the distance protection measuring elements like a three phase fault condition and may result in tripping if no countermeasure is applied ...

Page 17: ...of the other completely different actions are required from the protection relay The PSB function must ensure stability of the distance protection during transient power system conditions while the OST element initiates system separation by tripping in the event that a severe power swing results in potentially irrecoverable loss of stability in the power system The PSB and OST elements are therefo...

Page 18: ...m Ic VF 2 1 Vc Zs Ic Zm Ib VF 2 2 From equations 2 1 and 2 2 the following equation is obtained Vb Vc Zs Zm Ib Ic 2 3 where Zs Self impedance Zm Mutual impedance Since the effect of the phase A current is small and is almost canceled when introducing equation 2 3 it is omitted in equations 2 1 and 2 2 When each phase of the line is symmetric to the other the positive sequence and zero sequence imp...

Page 19: ...point of each symmetrical circuit is given by the following equation However suppose that the positive sequence impedance and negative sequence impedance are the same and influences of the fault resistance are ignored V1 Z1 I1 V1F 2 7 V2 Z1 I2 V2F 2 8 V0 Z0 I0 Z0m I0m V0F 2 9 where V1 Relay point positive sequence voltage V2 Relay point negative sequence voltage V0 Relay point zero sequence voltag...

Page 20: ...s but complex numbers The GRZ100 relay has a configuration that allows this compensation coefficient to be set as a complex number and setting the coefficient correctly makes it possible to measure exactly the distance up to the fault point In equations 2 7 to 2 9 the fault resistance was ignored Since the measurement of the distance up to the fault point based on equation 2 14 is carried out usin...

Page 21: ...minal A and terminal B are influenced by the current from one another have represented by the following equations VA IA Z1 Z3 IB Z3 2 15 VB IB Z2 Z3 IA Z3 2 16 where VA Voltage at terminal A VB Voltage at terminal B IA Current at terminal A IB Current at terminal B Z1 Impedance from terminal A to branch point Z2 Impedance from terminal B to branch point Z3 Impedance from fault point to branch poin...

Page 22: ...s this relay tends to overreach It is difficult to protect the system when a fault current flows out of one end Since an ordinary directional comparison method judges an external fault at one end and sends a block signal it may fail to remove the fault Figure 2 3 2 2 Current Outfeed in Event of Internal Fault 2 3 2 3Diversion of Outfeed Current in the Event of an External Fault If an external faul...

Page 23: ...ure 2 3 3 1 the setting range of the zone 1 element at terminal A and terminal B can only include part of the entire length of the line as shown in the figure to avoid unwanted operations for external faults at terminal C Therefore for most of the faults on this line one end is delayed tripped by the zone 2 element To avoid such a problem a directional comparison method or current differential met...

Page 24: ...cessary to check that the relay can operate for faults in the protected zone even under the worst power source conditions Blocking Schemes With the blocking scheme a terminal sends a blocking signal to the other terminal for an external fault and a common power line carrier channel can be used It can also perform high speed tripping even if one end of the multi terminal line is a non power source ...

Page 25: ...tively There is also one non directional zone The zones can be defined with either mho based characteristic or quadrilateral characteristic The characteristic is selected by setting the scheme switch ZS C for phase fault and ZG C for earth fault to Mho or Quad Figure 2 4 1 1 shows the mho based characteristics Zone 1 Z1 Zone 1X Z1X Zone 2 Z2 additional forward Zone F ZF and reverse Zone R1 ZR1 hav...

Page 26: ...XG Z2G Z4G Z3G Z1G Z1Gθ1 Z1Gθ2 ZR1G ZR2G BFLG BFRG BRLG BRRG B G Blinder elements ZNDG BNDG BNDG R 75 ZFG Z3Gθ Z4Gθ a Phase fault element b Earth fault element Figure 2 4 1 1 Mho based Characteristics R X Z1XS Z2S Z4S Z3S Z1S Z1Sθ1 Z1Sθ2 ZBSθ ZFS ZR2S ZR1S ZNDS BFRS BFLS BNDS BNDS BRLS BRRS ZNDS B S Blinder elements 75 R X Z1XG Z2G Z4G Z3G Z1G Z1Gθ1 Z1Gθ2 ZBGθ ZFG ZR2G ZR1G ZNDG BFRG BFLG BRLG BRR...

Page 27: ... impedance of the protected line and the longest adjacent line The zone 3 time delay is set so that it coordinates with the fault clearance time provided by zone 2 of adjacent lines Z3 is applied to Zone 3 Z3 is also used for detection of forward faults in command protection If Z3 is dedicated to command protection ZF can be used for Zone 3 instead of the Z3 The reverse looking zone R1 and R2 elem...

Page 28: ...equence current from the parallel line is introduced to compensate for influences from zero sequence mutual coupling R1 is not provided with zero sequence mutual coupling compensation for the parallel line Considering the case where the impedance angle of positive sequence impedance and zero sequence impedance differ which is the most common in cable circuits GRZ100 carries out vectorial zero sequ...

Page 29: ... by the power swing blocking function The signal PSB becomes 1 when power swing is detected The zone in which tripping will be blocked during a power swing can be set using the selection switches PSB Z1 to PSB ZR2 For zone ND backup tripping power swing blocking is inhibited For the VTF and PSB see Section 2 4 12 and Section 2 4 13 respectively By using the trip mode control logic Zone 1 can imple...

Page 30: ...the autoreclose is out of service zone 1 performs instantaneous three phase final tripping for all faults If the command protection is out of service zone 1 performs instantaneous three phase final tripping Position 2 Zone 1 performs three phase tripping with a time delay using timer TZ1 if the command protection is in service and it performs three phase tripping instantaneously if the command pro...

Page 31: ...he time stepped distance protection including zone 1 Zone 1 tripping is provided with an additional phase selection element UVC and phase selection logic to make sure the faulted phase is selected for the single phase earth fault Figure 2 4 1 8 gives details of the phase selection logic in Figure 2 4 1 5 In case of single phase earth fault the earth fault measuring zone 1 element Z1G with a certai...

Page 32: ...1 20000 1 2000 CT 1 20000 1 400 Phase fault protection ZS C Mho Quad Mho Characteristic selection Z1S 0 01 50 00Ω 0 01Ω 1 60Ω Z1 reach 0 10 250 00Ω 0 10Ω 8 00Ω 1 Z1S θ1 0 45 1 0 Gradient of reactance element Z1S θ2 45 90 1 90 Z2S 0 01 50 00Ω 0 01Ω 3 00Ω Z2 reach 0 10 250 00Ω 0 01Ω 15 00Ω ZFS 0 01 50 00Ω 0 01Ω 4 00Ω ZF reach 0 1 250 0Ω 0 1Ω 20 0Ω Z3S 0 01 50 00Ω 0 01Ω 6 00Ω Z3 reach 0 1 250 0Ω 0 1Ω...

Page 33: ...1Ω 6 00Ω ZF reach 0 1 500 0Ω 0 1Ω 30 0Ω Z3G 0 01 100 00Ω 0 01Ω 8 00Ω Z3 reach 0 1 500 0Ω 0 1Ω 40 0Ω Z3G θ 2 45 90 1 85 Characteristic angle of mho element ZBGθ 3 0 45 1 30 Angle of directional element BFR1G 0 10 20 00Ω 0 01Ω 5 10Ω Forward right blinder reach for Z1G 0 5 100 0Ω 0 1Ω 25 5Ω Required if BLZONE IND BFRXG 0 10 20 00Ω 0 01Ω 5 10Ω Forward right blinder reach for Z1XG 0 5 100 0Ω 0 1Ω 25 5Ω...

Page 34: ... 1 A 1 0 A Earth fault detection 0 10 1 00 A 0 01 A 0 20 A UVPWI 30 V fixed UV for positive weak infeed Scheme switch PROTECTION SCHEME 3ZONE Z1EXT PUP POP UOP BOP POP DEF UOP DEF BOP DEF PUP DEF POP Scheme selection CRSCM OFF ON ON Telecommunication service BLZONE COM IND COM Common or independent setting for blinder Z1CNT 1 2 3 4 5 1 Zone 1 trip mode selection PSB Z1 OFF ON ON Z1 power swing blo...

Page 35: ...DSθ Fixed to 75 Angle of BNDS blinder Z4G θ 2 Interlinked with Z3G θ Characteristic angle of Z4 mho element Z4BG θ 3 Interlinked with ZBG θ Angle of offset directional element BRRG θ Fixed to 75 Angle of reverse right blinder BRRG BRLG Interlinked with BRRG Reverse left blinder BRLG θ Interlinked with BFLG θ Angle of reverse left blinder BRLG BNDGθ Fixed to 75 Angle of BNDG blinder 1 Ohmic values ...

Page 36: ...or greater of the protected line impedance To maintain the selectivity with zone 1 of the adjacent lines the zone 2 reach should not exceed the zone 1 reach of the shortest adjacent line The reach is set on the X axis Time delay TZ2 is set so that it may be coordinated with fault clearance afforded by the main protection of the adjacent lines If time delayed tripping is selected for zone 1 of the ...

Page 37: ...for the zone 3 instead of Z3 above zone 3 setting is applied If the zone F is used separately from zone 3 the settings of zone F reach and time delay are set to be less than the zone 3 settings Zone R1 setting The setting of the zone R1 reach is set so as to exceed the end of the adjacent line behind the relaying point The reach is set on the X axis The time delay is set to be greater than that of...

Page 38: ... as shown in Figure 2 4 1 12 C X R BFR Z3 Z2 BFR1 Z1 BFR2 X R BFR1 Z3 Z2 BFR BFR2 Z1 X R BFR Z3 ZF BFRF a b c Figure 2 4 1 12 BFR Reach The BFL angle can be set to 90 to 135 and is set to 120 as a default The BRL angle is linked with the BFL angle Figure 2 4 1 12 shows an example of the blinder setting when the minimum load impedance is ZLmin and Z Lmin under the load transmitting and receiving co...

Page 39: ...current of the parallel line Z1 Positive sequence impedance Z1 R1 jX1 Z0 Zero sequence impedance Z0 R0 jX0 Z0m Zero sequence mutual impedance Zom Rom jXom Equation 1 can be written as follows Va R1 jX1 Ia R0 R1 j X0 X1 I0 Rom jXom Iom R1 Ia R0 R1 R1 I0 Rom R1 Iom jX1 Ia X0 X1 X1 I0 Xom X1 Iom In the GRZ100 the voltage is compensated independently for resistance and reactance components as shown in...

Page 40: ... KxsR ZR2G Z4G ZNDG Compensation is not provided The zero sequence compensation of the parallel line is controlled by the ZPCC Zero sequence Current Compensation element When an earth fault occurs on the protected line the ZPCC operates and parallel line compensation is performed to prevent underreach caused by the mutual zero sequence current of the parallel line When an earth fault on the parall...

Page 41: ...e zone 1 extension protection using autoreclose will implement high speed protection at both terminals Zone 1 extension zone 1X has a complex characteristic combining the reactance element mho element and blinder element and its characteristic is the same as zone 1 Zone 1X for earth faults is provided with the same residual current compensation as zone 1 and zone 2 As shown in Figure 2 4 2 1 zone ...

Page 42: ... tripping is blocked Power swing blocking can be disabled by the scheme switch PSB Z1X The zone 1 extension protection is disabled by the binary input signal PLC signal Z1XG_BLOCK and Z1XS_BLOCK S TRIP M TRIP Phase Selection SPAR SPAR TPAR ARC M PSB PSB Z1X ON VTF REC READY1 Z1X 1 Z1X_INIT 1540 Z1XG_BLOCK 1617 Z1XS_BLOCK 1633 22 Z1XG A 23 Z1XG B 24 Z1XG C 37 Z1XS AB 38 Z1XS BC 39 Z1XS CA 1 1 Z1 EX...

Page 43: ...on reach 0 10 250 00Ω 0 01Ω 12 00Ω Z1G θ1 0 45 1 0 Gradient of reactance element Z1G θ2 45 90 1 90 BFRXG 0 10 20 00Ω 0 01Ω 5 10Ω Forward night blinder reach for Z1XG 0 5 100 0Ω 0 1Ω 25 5Ω Required if BLZONE IND PROTECTION SCHEME 3ZONE Z1EXT PUP POP UOP BOP POP DEF UOP DEF BOP DEF PUP DEF POP Scheme selection Autoreclose mode ARC M Disabled SPAR TPAR SPAR TPAR EXT1P EXT3P SPAR TPAR Autoreclose mode...

Page 44: ...re that the fault exists in the operating zone of zone 1 the PUP provides excellent security On the other hand the PUP does not provide sufficient dependability for faults on lines that contain open terminals or weak infeed terminals for which zone 1 cannot operate Faults near open terminals or weak infeed terminals are removed by delayed tripping of zone 2 elements at remote terminals Since only ...

Page 45: ...00 1 00s 0 t CS Carrier send signal Integral communication Signal No Signal name Description 800 C R_SEND A A phase trip 801 C R_SEND B B phase trip 802 C R_SEND C C phase trip 803 C R_SEND S Three phase trip External communication Signal No Signal name 225 EXT_CAR S PSB ON PSB CR PSBS_DET PSBG_DET from Figure 2 4 13 2 from Figure 2 4 12 1 1 Figure 2 4 3 1 PUP Scheme Logic To select the faulted ph...

Page 46: ...el line the direction of the current on the healthy line is reversed The status of the forward overreaching element changes from an operating to a reset state at the terminal where the current is reversed from an inward to an outward direction and from a non operating status to operating status at the other terminal In this process if the operating periods of the forward overreaching element of bo...

Page 47: ...terminal when the trip permission signal R1 CR and R2 CR are received from the remote terminals the current reversal logic CRL is not picked up and one of the following conditions is established The forward overreaching element operates The undervoltage element UVL UVLS or UVLG operates and the forward overreaching and the reverse looking elements do not operate The latter is implemented when the ...

Page 48: ...n PSB CR OFF ON ON Power swing blocking ECHO OFF ON ON Echo function WKIT OFF ON ON Weak infeed trip function Ohmic values shown in the parentheses are in the case of 1 A rating Other ohmic values are in the case of 5 A rating The following elements have fixed setting values or their settings are interlinked with other elements listed above So no setting operation is required Element Setting Remar...

Page 49: ... the signal would not be experienced If the modulation method of the telecommunication circuits is a frequency shift method in external communication frequencies f1 and f2 are assigned to the trip block signal and trip permission signal respectively The receive end recognizes signals CR1 and CR2 as corresponding to respective frequencies as the actual trip permission signals when either one of the...

Page 50: ...her terminal The last two are implemented when an echo function ECH is selected Refer to Section 2 4 3 5 for echo function Transmission of a trip permission signal continues for the TSBCT setting even after the local terminal is tripped This is to ensure that command tripping is executed at the remote terminal The UOP outputs single phase tripping signal S TRIP or three phase tripping signal M TRI...

Page 51: ...n link Integral or External UVL Weak infeed trip element UVLS 50 100 V 1V 77V Undervoltage detection phase fault UVLG 10 60 V 1V 45V Undervoltage detection earth fault Z4S 0 01 50 00Ω 0 01Ω 8 00Ω Z4 reach 0 1 250 0Ω 0 1Ω 40 0Ω BRRS 0 10 20 00Ω 0 01Ω 5 10Ω Reverse right blinder reach 0 5 100 0Ω 0 1Ω 25 5Ω Z4G 0 01 100 00Ω 0 01Ω 8 00Ω Z4 reach 0 1 500 0Ω 0 1Ω 40 0Ω BRRG 0 10 20 00Ω 0 01Ω 5 10Ω Rever...

Page 52: ...verse left blinder BRLG 1 Ohmic values shown in the parentheses are in the case of 1 A rating Other ohmic values are in the case of 5 A rating 2 Valid only when mho based characteristic is selected by ZS C 3 Valid only when quadrilateral characteristic is selected by ZS C The reverse looking elements Z4 G S BRR G S and BRL G S must always operate for reverse faults for which the forward overreachi...

Page 53: ...aching element of both terminals overlap the healthy line may be tripped erroneously To prevent this current reversal logic is provided See Section 2 4 3 6 for current reversal Scheme Logic Figure 2 4 3 4 shows the scheme logic of the BOP The logic level of transmit signal CS and receive signal R1 CR or R2 CR is 1 for a trip block signal and 0 for a trip permission signal The transmit signal is co...

Page 54: ... Current reversal block time TSBCT 0 00 1 00s 0 01s 0 10s PROTECTION SCHEME 3ZONE Z1EXT PUP POP UOP BOP POP DEF UOP DEF BOP DEF PUP DEF POP Scheme selection TERM 2TERM 3TERM 2TERM Terminal selection Open1 OFF ON OFF Remote terminal 1 out of service Open2 OFF ON OFF Remote terminal 2 out of service ZONESEL Z2 Z3 Z2 Overreaching element selection PSB CR OFF ON ON Power swing blocking Ohmic values sh...

Page 55: ...as follows taking into account the transmission delay time of the blocking signal and a safety margin of 5 ms TCHD setting maximum signal transmission delay time 5ms includes delay time of binary output and binary input for the blocking signal when the external communication is used 2 4 3 5Protection for Weak Infeed Terminal The POP and UOP are provided with an echo function and weak infeed trip f...

Page 56: ...C R_DISECHO ECHO_BLOCK 1840 1 1 ON 1 200ms 50ms t 0 Z3 Z2 Z4 T2 T1 250ms 0 t 0 t R2 CR ECH ZONESEL Z3 Z2 ECH ECHO 1 1 CB OR 1 TERM 3TERM R1 CR 1 TECCB 0 00 200 00s t 0 Figure 2 4 3 5 Echo Logic Figure 2 4 3 6 shows the scheme logic of the weak infeed trip function Weak infeed tripping is executed on condition that a trip permission signal has been received R1 CR 1 R2 CR 0 for the POP and reception...

Page 57: ...time t2 first and then B1 trips at time t3 The direction of the current that flows in healthy line L2 can be reversed at time t2 That is the current flows from terminal B to terminal A as indicated by a solid line in the period from time t1 to t2 and from terminal A to terminal B as indicated by a broken line in the period from time t2 to t3 This current reversal phenomenon may occur with the pres...

Page 58: ...ng thus avoiding false tripping of the healthy line of parallel lines When a current reversal occurs in the direction opposite to the above the current reversal logic at terminal B2 will respond similarly Current reversal logic is not picked up for internal faults thus not obstructing high speed operation of any protection scheme 2 4 3 7Phase Selection Logic Every command protection has phase sele...

Page 59: ...channel delay time coordination in BOP scheme Therefore the total coordination time results in TCHD set time TCHDE set time For communication system see Section 2 5 Relay A CH1 CH2 Relay B CH1 CH2 Relay C CH2 CH1 Back up carrier route Main route Back up carrier signal is used Figure 2 4 3 10 Backup Carrier Scheme Relay operation under a communication failure in the backup carrier protection is sho...

Page 60: ...CH2 Relay B CH2 CH1 Relay A cannot receive any signals of Relay B Relay A CH1 CH2 Relay B CH2 CH1 Three terminal and Ring topology Relay A CH1 CH2 Relay B CH1 CH2 Relay C CH2 CH1 Relay A cannot receive any signals of Relay B and Relay C Relay A CH1 CH2 Relay B CH1 CH2 Relay C CH2 CH1 Relay A cannot receive any signals of Relay C Relay A CH1 CH2 Relay B CH1 CH2 Relay C CH2 CH1 Relay A cannot receiv...

Page 61: ...P 184 EFI_TRIP DEFF_BLOCK 1849 DEFR_BLOCK 1851 Figure 2 4 4 1 Directional Earth Fault Protection The directional earth fault command protection provides the POP UOP and BOP schemes using forward looking DEFF and reverse looking DEFR elements All schemes execute three phase tripping and autoreclose The command protection is disabled during a single phase autoreclosing period CB DISCR 1 The directio...

Page 62: ...tion takes the POP scheme and signaling channels of distance and DEF command protections are always separated CH1 distance CH2 DEF see Section 2 4 3 9 The DEF command protection can select fast tripping or delayed tripping by a timer setting Delayed tripping is used when it is desired to give priority to distance protection The DEF command protection is blocked during a single phase autoreclose pe...

Page 63: ...ERM 2TERM UOP POP 1 R2 CR DEF R2 CR DEF 1 UOP 1 R1 CR DEF R1 CR DEF POP R1 CR DEF Trip permission signal from the remote terminal 1 in 3 terminal application or Trip permission signal from remote terminal in 2 terminal application In integral communication it is a phase segregated signal as follows Signal No Signal name Description 1732 DEFCAR A R1 A phase trip from remote terminal 1 1733 DEFCAR B...

Page 64: ...nal from looping round between terminals in a healthy state the echo signal is restricted to last 200 ms by delayed pick up timer T2 The echo function can be disabled by the scheme switch ECHO and the PLC signal ECHO_BLOCK When a signaling channel is shared by the distance protection and DEF protection it is necessary to unite the scheme logic of both echo functions so that the echo function may n...

Page 65: ...ooking DEFR operates the logic level of the transmit signal CS becomes 1 and a trip block signal is transmitted When the trip block signal is received R1 CR DEF and R2 CR DEF become 1 When the forward looking DEFF operates it executes tripping on condition that no trip blocking signal should be received The delayed pick up timer TCHD is provided to allow for the transmission delay of the trip bloc...

Page 66: ...ote end operates the local DEFR must always operate for reverse faults The setting levels of the residual current and residual voltage for the DEFR must be lower than that for the DEFF The following setting elements are used in common with the distance protection or its setting is interlinked with other elements listed above So no setting operation is required here Element Range Step Default Remar...

Page 67: ...DEFRV 1 7 21 0 V 0 1 V 2 0 V Residual voltage TDER 0 00 0 30 s 0 01 s 2 0 s Definite time setting DEF θ 0 90 1 85 Characteristic angle DEFFEN OFF ON OFF Forward DEF backup trip enable DEFREN OFF ON OFF Reverse DEF backup trip enable DEFI OFF NOD F R OFF EFI directional control DEFBTAL OFF ON ON DEF backup trip alarm Current values shown in the parentheses are in the case of 1 A rating Other curren...

Page 68: ...e earth fault protection issues a three phase tripping signal BU TRIP in the operation of EF or EFI element OC A 1 0 00 10 00s TOC t 0 t 0 t 0 ON OCBT 1 OC_BLOCK 1625 ON OCIBT 1 OCI_BLOCK 1626 OC B_FS 1609 94 95 96 97 98 99 OC_TRIP 326 OC_INST_TP 1703 OC A_FS 1608 OC A TP OC B TP OC C TP 1 1 1 OC_3PTP 1716 615 614 613 OC A TRIP OC B TRIP OC C TRIP 1 OCI_TRIP 327 OCI A TP OCI B TP OCI C TP 1 1 1 OC...

Page 69: ...entional delay is added As soon as the energizing current falls below the reset threshold the element returns to its reset condition If the reset time is set to some value in seconds then an intentional delay is added to the reset period If the energizing current exceeds the setting for a transient period without causing tripping then resetting is delayed for a user definable period When the energ...

Page 70: ...re 2 4 5 2 in the event of a fault at the near end F2 of the adjacent line the operating time is set so that terminal A may operate by time grading Tc behind terminal B The current flowing in the relays may sometimes be greater when the remote end of the adjacent line is open At this time time coordination must also be kept The reason why the operating time is set when the fault current reaches a ...

Page 71: ...he terminal most remote from the power source is tripped in the shortest time When setting the delayed pick up timers time grading margin Tc is obtained in the same way as explained in Section 2 4 5 1 Setting The setting elements necessary for the definite time overcurrent backup protection and their setting ranges are shown below Element Range Step Default Remarks OC 0 5 100 0 A 0 1 A 6 0 A Phase...

Page 72: ...e characteristics defined in IEC60255 8 Refer to Appendix O for the implementation of the thermal model for IEC60255 8 Time to trip depends not only on the level of overload but also on the level of load current prior to the overload that is on whether the overload was applied from cold or from hot Independent thresholds for trip and alarm are available The characteristic of the thermal overload e...

Page 73: ...s independent thresholds for alarm and trip and outputs alarm signal THM_ALARM and trip signal THM_TRIP The alarming threshold level is set as a percentage of the tripping threshold The alarming and tripping can be disabled by the scheme switches THMAL and THMT respectively or binary input signals THMA_BLOCK and THM_BLOCK THM_ALARM ON THMAL ON THMT THM_TRIP T A THM 1 THMA_BLOCK 1615 1 THM_BLOCK 16...

Page 74: ...by a non directional overcurrent element and distance measuring elements The overcurrent protection is effective in detecting close up three phase faults on the line in particular when the voltage transformer is installed on the line side This is because the voltage input to the distance measuring elements is absent continuously before and after the fault and thus it is difficult for the distance ...

Page 75: ...t Range Step Default Remarks OCH 2 0 15 0 A 0 1 A 6 0 A Overcurrent setting 0 4 3 0 A 0 1 A 1 2 A TSOTF 0 300 s 1 s 5 s SOTF check timer SOTF OC OFF ON ON Overcurrent tripping SOTF Z1 OFF ON OFF Zone 1 tripping SOTF Z2 OFF ON OFF Zone 2 tripping SOTF Z2 OFF ON OFF Zone 3 tripping SOTF ZF OFF ON OFF Zone F tripping SOTF ZR1 OFF ON OFF Zone R1 tripping SOTF ZR2 OFF ON OFF Zone R2 tripping SOTF ZND O...

Page 76: ...ctor is open DS_N O_CONT 0 and the overcurrent element has operated OCH 1 CB condition STUB_CB can be added by using programmable BI function PLC function Tripping can be disabled by the scheme switch STUB OCH STUB STUB_TRIP M TRIP ON 1 1 182 DS_N O_CONT 1542 STUB_CB 1649 STUB_BLOCK 1622 55 OCH A 56 OCH B 57 OCH C Figure 2 4 8 1 Stub Protection Scheme Logic Setting The setting elements necessary f...

Page 77: ... protection Definite time reset The definite time resetting characteristic is applied to the OVS1 and OVG1 elements when the inverse time delay is used If definite time resetting is selected and the delay period is set to instantaneous then no intentional delay is added As soon as the energising voltage falls below the reset threshold the element returns to its reset condition If the delay period ...

Page 78: ...tion is selected by setting OV 1EN to IDMT and trip signal OV 1_TRIP is given The OVS1 and OVG1 protections can be disabled by the scheme switch OV 1EN or the PLC signal OV 1_BLOCK These protections are available to trip instantaneously by the PLC signal OV 1_INST_TP except for OV 1EN OFF setting Figures 2 4 9 3 and 2 4 9 5 show the scheme logic of the OVS2 and OVG2 protection with definite time c...

Page 79: ..._TP 1809 439 440 441 953 954 955 956 On OVS2EN Figure 2 4 9 3 OVS2 Overvoltage Protection 1 1 1 OVG1_TRIP 1 0 00 300 00s TOG1 t 0 t 0 t 0 A OVG1 B C OVG1 C_TRIP OVG1 A_TRIP OVG1 B_TRIP 1 1 OVG1_BLOCK 1860 OVG1_INST_TP 1812 442 443 444 957 958 959 960 DT IDMT OVG1EN 1 Figure 2 4 9 4 OVG1 Overvoltage Protection 1 1 1 OVG2_ALARM 1 0 00 300 00s TOG2 t 0 t 0 t 0 A OVG2 B C OVG2 C_ALM OVG2 A_ALM OVG2 B_...

Page 80: ...layed reset OG1DP 10 98 1 95 OVG1 DO PU ratio OVG2 5 0 150 0 V 0 1V 80 0 V OVG2 threshold setting TOG2 0 00 300 00 s 0 01 s 0 10 s OVG2 definite time setting OG2DP 10 98 1 95 OVG2 DO PU ratio OVS1EN Off DT IDMT Off OVS1 Enable OVS2EN Off On Off OVS2 Enable OVG1EN Off DT IDMT Off OVG1 Enable OVG2EN Off On Off OVG2 Enable 2 4 9 2Undervoltage Protection GRZ100 provides four independent undervoltage e...

Page 81: ...in which case resetting is always instantaneous Undervoltage Inverse Time Curves 1 000 10 000 100 000 1000 000 0 0 2 0 4 0 6 0 8 1 Applied Voltage x Vs Operating Time secs TMS 10 TMS 5 TMS 2 TMS 1 Figure 2 4 9 6 IDMT Characteristic Scheme Logic Figures 2 4 9 7 and 2 4 9 9 show the scheme logic of the UVS1 and UVG1 undervoltage protection with selective definite time or inverse time characteristic ...

Page 82: ...er than any other UV setting values 1 1 1 UVS1_TRIP 1 1 0 00 300 00s TUS1 t 0 t 0 t 0 NON UVSBLK ON VBLKEN OFF UVTST UVSBLK 1 UVS1 CA_TRIP UVS1 BC_TRIP UVS1 AB_TRIP AB UVS1 BC CA UVS1_BLOCK 1864 UVS1_INST_TP 1816 454 455 456 965 966 967 968 DT IDMT UVS1EN 1 1 Figure 2 4 9 7 UVS1 Undervoltage Protection ON UVS2EN 0 00 300 00s TUS2 t 0 t 0 t 0 AB UVS2 BC CA UVS2_ALARM 1 UVS2 CA_ALM UVS2 AB_ALM UVS2 ...

Page 83: ...yed reset UVS2 5 0 150 0 V 0 1 V 40 0 V UV2 threshold setting TUS2 0 00 300 00 s 0 01 s 0 10 s UV2 definite time setting VSBLK 5 0 20 0 V 0 1 V 10 0 V Undervoltage block threshold setting UVG1 5 0 150 0 V 0 1 V 35 0 V UVS1 threshold setting TUG1I 0 05 100 00 0 01 10 00 UVSI time multiplier setting Required if UVS1EN IDMT TUG1 0 00 300 00 s 0 01 s 0 10 s UVS1 definite time setting Required if UV1EN...

Page 84: ...ries fault assuming that the positive negative and zero sequence impedance of the left and right side system of the fault location is in the ratio of k1 to 1 k1 k2 to 1 k2 and k0 to 1 k0 Figure 2 4 10 1 Equivalent Circuit for a Single phase Series Fault Positive phase sequence Single phase series fault Zero phase sequence k2Z2 1 k2 Z2 k0Z0 1 k0 Z0 E1A E1B I1F I1F I2F I2F I0F I0F Negative phase seq...

Page 85: ... difference in phase angle and magnitude between the power source voltages behind both ends Broken conductor protection element BCD detects series faults by measuring the ratio of negative to positive phase sequence currents I2F I1F This ratio is given with negative and zero sequence impedance of the system I2F I1F I2F I1F Z0 Z2 Z0 The ratio is higher than 0 5 in a system when the zero sequence im...

Page 86: ...e setting BCDEN Off On Off BCD Enable Minimum setting of the BC threshold is restricted by the negative phase sequence current normally present on the system The ratio I2 I1 of the system is measured in the relay continuously and displayed on the metering screen of the relay front panel along with the maximum value of the last 15 minutes I21 max It is recommended to check the display at the commis...

Page 87: ...TER_TRIP1 B INTER_TRIP1 C INTER_TRIP1 From Remote Terminal 1 From Remote Terminal 2 Transfer Trip Command 1 TR2 A_TP 840 845 1 1 1 TR2 A R1 1748 TR2 B R1 1749 TR2 C R1 1750 847 846 1 1 TR2_BLOCK 1645 TR2 A R2 1780 TR2 B R2 1781 TR2 C R2 1782 BO TTSW2 TRIP TR2_3PTP 1725 848 1 1 1 1 TR2 B_TP TR2 C_TP TR2_TRIP INTER_TRIP2 A INTER_TRIP2 B INTER_TRIP2 C INTER_TRIP2 From Remote Terminal 1 From Remote Te...

Page 88: ...ser configurable command data send Sequence logic by PLC 1744 TR1 A R1 User configurable command data receive 1745 TR1 B R1 1746 TR1 C R1 GRZ100 Receive Configured by PLC Configured by PLC Transfer trip B phase Transfer trip C phase Figure 2 4 11 2 Example of Signal Assign w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 89: ...re 2 4 12 1 shows the scheme logic for one phase The BFP is started by an initiation signal EXT_CBFIN from the external line protection or an internal initiation signal CBF_INIT The external initiation signals EXT_CBFIN A B C are assigned by binary input signals PLC signals Starting with an external initiation signal can be disabled by the scheme switch BFEXT These signals must continuously exist ...

Page 90: ...s unavoidable If the original breaker fails retrip has no effect and the OCBF continues operating and the TBF2 finally picks up A trip command CBF TRIP is given to the adjacent breakers and the BFP is completed Fault CBF TRIP TBF2 RETRIP TBF1 OCBF Original breaker Adjacent breakers TRIP Retrip Toc Toc Tcb Tcb TBF1 TBF2 Normal trip Trip Open Closed Start BFP Open Open Closed Tcb operating time of t...

Page 91: ...ks that the circuit breaker has opened and that the current has disappeared Therefore since it is allowed to respond to load current it can be set to 10 to 200 of the rated current The settings of TBF1 and TBF2 are determined by the opening time of the original circuit breaker Tcb in Figure 2 4 12 2 and the reset time of the overcurrent element Toc in Figure 2 4 12 2 The timer setting example when...

Page 92: ...s a three phase tripping command M TRIP to the circuit breaker when the impedance viewed from the impedance measuring element passes through those areas in the sequence above and enters the third area and it stays in area A and area C for the time set with the timers TOST1 and TOST2 The tripping command continues for 100 ms The output signal is blocked when the scheme switch OST is set to OFF or b...

Page 93: ... 0 50 0Ω 0 1Ω 6 0Ω Forward reactive reach 5 250Ω 1Ω 30Ω OSTXB O 2 10 0Ω 0 1Ω 1 0Ω Reverse offset reach 1 50Ω 1Ω 5Ω OSTR1 3 0 30 0Ω 0 1Ω 5 1Ω Resistive reach right 15 150Ω 1Ω 25Ω OSTR2 1 0 10 0Ω 0 1Ω 2 5Ω Resistive reach left 5 50Ω 1Ω 12Ω TOST1 0 01 1 00 s 0 01 s 0 04 s Out of step timer TOST2 0 01 1 00 s 0 01 s 0 04 s Out of step timer OST OFF TRIP BO OFF Out of step protection Ohmic values shown ...

Page 94: ...oltage element UVFS or phase to earth undervoltage element UVFG operates UVFS 1 or UVFG 1 when the three phases of the circuit breaker are closed CB AND 1 and the phase current change detection element OCD does not operate OCD 0 VTF2 The residual overcurrent element EFL does not operate EFL 0 the residual overvoltage element OVG operates OVG 1 and the phase current change detection element OCD doe...

Page 95: ... A 0 01 A 0 20 A VTF1EN Off On OPT On On VTF1 supervision VTF2EN Off On OPT On On VTF2 supervision VTF Z4 Off On On Z4 blocked by VTF Current values shown in the parentheses are in the case of 1 A rating Other current values are in the case of 5 A rating The following elements have fixed setting values Element Setting Remarks OCD Fixed to 0 5 A Current change detection Fixed to 0 1 A OVG Fixed to ...

Page 96: ...ring a power swing or high resistance earth fault by which the resistance at the fault point changes gradually GRZ100 can provide a high speed protection for one and two phase faults which occur during a power swing by using negative sequence directional element and any of the command protection PUP POP UOP and BOP Three phase faults during a power swing are eliminated by distance and overcurrent ...

Page 97: ...uring a power swing The PSB can be disabled or reset by the PLC signal PSB_BLOCK or PSB_F RESET Figure 2 4 15 3 shows the scheme logic to control the sending signal of PUP POP UOP or BOP in the external communication The scheme logic is valid when the scheme switch PSB TP is set to ON CS1 is an original sending signal for the distance and DEF command protection and CS2 is a controlled sending sign...

Page 98: ... looking DOCNR is used for the current reversal logic for current reversal logic see Section 2 4 3 6 in all the command protections POP PUP 1 CR DEF CR DEF PSB CS External communication M TRIP UOP BOP DOCN F 1 20ms 100ms 0 t 0 t OCDP PSB DET PSB TP ON DOCN R C R SEND PSB 357 OCDP A 358 OCDP B 359 OCDP C 361 360 812 C R_SEND PSBA 813 C R_SEND PSBB 814 C R_SEND PSBC Figure 2 4 15 4 Scheme Logic to P...

Page 99: ...ds on the ZF and ZR2 reach Therefore the ZF and ZR2 must be set less than the Z3 and Z4 respectively whether the ZF and ZR2 used or not The right side forward and reverse blinders for PSBIN are shared with the right side forward and reverse blinders of the distance protection characteristic BFRS BFRG and BRRS BRRG respectively ensuring that the PSB element coordinates properly with the protection ...

Page 100: ...ished For the following trips the logic level of M TRIPA becomes 1 and single phase tripping is then forced to convert to three phase tripping For details of M TRIPA see Figure 2 7 2 1 Tripping while reclaim is in progress Tripping when the reclose mode selection switch ARC M is set to Disabled or TPAR The signals TRIP A TRIP B and TRIP C are used to start the autoreclose The signal TRIP is used t...

Page 101: ...2 5 1 1 Communication System Topologies GRZ100 transmits the local data to the remote terminal by coded serial messages One signaling channel including send and receive per GRZ100 is required for two terminal line protection two for three terminal line protection and two for dual redundant communication for two terminal line as shown in Figure 2 5 1 1 The variation of the channel delay time due to...

Page 102: ...mote terminal Other data is transmitted once every power cycle The data transmission format is shown in Appendix N In addition to the above data cyclic redundancy check bits and fixed check bits are transmitted to monitor the communication channel If a channel failure is detected at the local terminal command bits are held to the value before failure User programmable commands Any signals On off d...

Page 103: ...y for the convenience of the sampling timing synchronization To perform timing synchronization for the slave terminal the sampling time difference between master and slave terminals is measured The measurement principle of the sampling time difference T is indicated in Figure 2 5 1 2 The master terminal and slave terminal perform their own sampling and send a signal that becomes the timing referen...

Page 104: ... B and C The terminal B follows the terminal A and the terminal C follows the terminal B The slave terminals perform the follow up control at their communication port CH2 GRZ100 Terminal B Terminal A Terminal C 1 1 2 2 Communication port GRZ100 2 1 GRZ100 Master Slave Slave Figure 2 5 1 3 Communication Link in Three terminal Line Sampling address synchronization The principle of sampling address s...

Page 105: ...accordance with CCITT X 21 Electrical interface in accordance with RS422 RS530 Note When using the 80km class optical interface it is necessary to ensure that the received optical power does not exceed 10dB in order to avoid communication failure due to overloading of the receiver When testing in loop back mode for instance the sending terminal should be connected to the receiving terminal via an ...

Page 106: ...index GI multi mode 50 125µm type or 62 5 125µm type of dedicated optical fiber telecommunication circuit and using an ST type connector the optical transmitter is an LED with output power of more than 19dBm or 16dBm and the optical receiver is a PIN diode with a sensitivity of less than 24dBm For details refer to Appendix K Link via multiplexer The GRZ100 can be linked to a multiplexed communicat...

Page 107: ... M U X TX1 TX1 RX1 RX1 O E O E b Link via Multiplexer Optical Interface Terminal B Terminal A GRZ100 GRZ100 M U X M U X TX1 RX1 CK1 Shield ground 12 25 11 24 10 23 9 22 8 21 7 20 13 TX1 RX1 CK1 Shield ground c Link via Multiplexer Electrical Interface in accordance with CCITT G703 Terminal B Terminal A GRZ100 GRZ100 M U X M U X TX1 RX1 CK1 Shield ground 12 25 11 24 10 23 9 22 8 21 7 20 13 TX1 RX1 ...

Page 108: ...2 Shield P N P N P N P N P N P N CH2 CH2 7 2 14 3 16 15 12 1 Figure 2 5 1 6 Communication Circuit Setup in Two terminal Application continued In case of three terminal applications signal terminals CH1 TX1 RX1 and CK1 which have the same function as CH2 TX1 RX1 and CK1 are added Figure 2 5 1 7 shows the communication circuit arrangement for three terminal applications Note that the CH1 signal term...

Page 109: ...ation Mode 2 5 1 6 Setting The setting elements necessary for the integral digital communication and their setting ranges are as shown in the table below Element Range Step Default Remarks CO LINK Int Ext Int Communication link Integral or External SP SYN Master Slave Master SP synchronization setting TERM 2TERM 3TERM Dual 3TERM Terminal selection 3 terminal model CH USE Both CH1USE CH2USE Both Ch...

Page 110: ...T SFT2 are used to synchronize the relay with the multiplexer by shifting the send signal by a half bit when the distance from the relay to the multiplexer is long When electrical interface X 21 CCITT G 703 1 2 2 or 1 2 3 is applied and the distance cable length from relay to multiplexer is 300m or more the setting is set to ON B SYN1 B SYN2 The B SYN1 and B SYN2 are set to ON when the relay is li...

Page 111: ...n the BOP scheme a signal channel automatic test function is available Sending test signal SBT can be assigned to any of the user configurable output relays BOn through a logic level inversion circuit by PLC function BOn has one normally close contact Note In setting the signal SBT the 0 2s delayed drop off timer in the logic level inversion circuit must be disabled by setting the scheme switch BO...

Page 112: ...he protection signaling equipment is generally a single one while with frequency shift signaling two signals a trip signal and a guard signal are received The GRZ100 is equipped with signal receive logic shown in Figure 2 5 2 2 to respond to either case In the case of a single signal a signal from the signaling equipment is input to R1 CH1 and the scheme switch CHSEL is set to Single In the case o...

Page 113: ...otections When directional earth fault command protection is used with PUP scheme signal channel is separated irrespective of CH DEF setting In three terminal application the signal receive logic for remote 2 is same as that of remote 1 shown in Figure 2 5 2 2 Following table shows the scheme switch settings and usable signals Use of signal Scheme CHSEL setting CH DEF setting CH1 CH2 PUP DEF Singl...

Page 114: ...he mho or offset mho element if their operating range encroaches upon the load impedance The blinder element BFR can be provided for each forward zone The setting of blinder element can be set independently or set common to forward zones by the scheme switch BLZONE X Z1XS Z2S Z4S Z3S Z1S Z1Sθ1 Z1Sθ2 ZR1S ZR2S ZNDS BFLS BFRS BRLS B S Blinder elements BRRS BNDS R 75 ZFS Z3Sθ Z4Sθ BNDS X Z1XG Z2G Z4G...

Page 115: ...Phase fault element b Earth fault element Figure 2 6 1 2 Quadrilateral Four Zone Characteristics a Mho based characteristic R X ZR1S ZR2S Z1S b Quadrilateral characteristic R X Z1S ZR1S ZR2S Figure 2 6 1 3 ZR1S and ZR2S Characteristic Offset Reach for Backup Tripping Zone 1 zone 1X zone 2 and zone F can trip on condition that zone 3 has operated in both characteristics The power swing blocking ele...

Page 116: ...t will operate S1 V IZs S2 Vp where V fault voltage I fault current Zs zone reach setting Vp polarizing voltage Figure 2 6 1 5 is a voltage diagram which shows that the mho characteristic is obtained by the phase comparison if V and Vp are in phase The mho characteristic on the impedance plane is obtained by dividing the voltage in Figure 2 6 1 5 by current I Figure 2 6 1 5 Mho Element Both the ph...

Page 117: ...the earth fault mho element has no memory action When a three phase fault occurs within zone 1 the phase fault mho element for zone 1 is modified to an offset mho characteristic as shown in Figure 2 6 1 6 This together with voltage memory action enables zone 1 to perform tripping with a time delay as well as instantaneous tripping for the close up three phase fault The Z1X Z2 ZF and Z3 do not have...

Page 118: ...ent does not flow or θ1 is set to 0 the reactance element characteristic is a horizontal line which is parallel to the R axis The characteristic is expressed by the following equations For horizontal characteristic X Xs For gradient characteristic R Xs tan 90 θ2 Xs X tan 90 θ1 where R resistance component of measured impedance X reactance component of measured impedance Xs reach setting The reacta...

Page 119: ...o Z1 Z1X Z2 ZF Z3 ZR1 ZR2 and Z4 As shown in Figure 2 6 1 9 the blinder element provides the forward blinder and the reverse blinder The operating area of the forward blinder is the zone enclosed by the lines BFR and BFL and that of the reverse blinder is the zone enclosed by the lines BRR and BRL The BFR has an angle of 75 to the R axis and BFL 90 to 135 The angle of BRL is linked with that of BF...

Page 120: ...ed by the following equations For BRR X R Rs tan 75 For BRL X R Rs tan 180 θ where R resistance component of measured impedance X reactance component of measured impedance Rs reach setting The reach settings of BFR and BRR are made on the R axis The BRL setting is interlinked with the BRR setting If the minimum load impedance is known then assuming a worst case load angle of 30 and a margin of 80 ...

Page 121: ... memorized pre fault voltages This memory is retained for two cycles after a fault occurs The polarizing voltage for the earth fault element has no memory action When a three phase fault occurs within zone 1 the phase fault element for zone 1 is modified to an offset characteristic as shown in Figure 2 6 1 11 This together with voltage memory action enables zone 1 to perform tripping with a time d...

Page 122: ...ed to 1 5Ω in 5A rating and 7 5Ω in 1A rating 2 6 2 Phase Selection Element UVC The phase selection element has the undervoltage characteristic shown in Figure 2 6 2 1 and is used to select a faulty phase in case of a single phase to earth fault I V Vs IZs θ Figure 2 6 2 1 Phase Selection Element The characteristic is obtained by a combination of the equations below If equation 1 or equation 2 or ...

Page 123: ... voltage have almost the same phase angle 2 6 3 Directional Earth Fault Elements DEFF and DEFR There are two types of directional earth fault element the forward looking element DEFF and reverse looking element DEFR Their characteristics are shown in Figure 2 6 3 1 Both the DEFF and DEFR use a residual voltage as their polarizing voltage and determine the fault direction based on the phase relatio...

Page 124: ...erse time characteristics in conformity with IEC 60255 3 One of these characteristics can be selected 1 0 1 0 5 1 5 10 50 100 Standard Inverse Very Inverse Extremely Inverse 5 10 20 30 200 0 2 2 20 Long time I 2 Current I Multiple of setting s Operating time t T 1 0 Figure 2 6 4 1 IDMT Characteristics These characteristics are expressed by the following equations Long Time Inverse t T 120 I Is 1 S...

Page 125: ...lls below the reset threshold the integral state the point towards operation that it has travelled of the timing function IDMT is held for that period This does not apply following a trip operation in which case resetting is always instantaneous 2 6 5 Out of Step Element OST The out of step element used for out of step tripping contains two impedance measuring elements with quadrilateral character...

Page 126: ...bar voltage check The under voltage detector checks that the line or busbar is dead while the overvoltage detector checks that it is live These detectors function in the same manner as other level detectors described later Figure 2 6 6 1 shows the characteristics of the synchronism check element used for the autoreclose if the line and busbar are live The synchronism check element operates if both...

Page 127: ...l difference between currents IM and IN observed one cycle apart is larger than the fixed setting Therefore the operating sensitivity of this element is not affected by the quiescent load current and can detect a fault current with high sensitivity The OCD element is used for the VT failure supervision circuit and the OCDP element used for the fault detection during a power swing Figure 2 6 7 1 Cu...

Page 128: ...d voltage and determine a fault direction based on the phase relationship between the current and voltage The operation decision is made using the following equation DOCNF ZkI2 2 V2I2 sinφ V2k I2 I2 I2k DOCNR ZkI2 2 V2I2 sinφ V2k I2 I2 I2k where I2 negative sequence current V2 negative sequence voltage φ lagging angle of I2 to V2 I2k 0 267 rated current fixed V2k 6 V fixed Zk 2 5 ohm 1A rating fix...

Page 129: ...tors are used for overvoltage and undervoltage protection as described in Section 2 4 9 Residual overvoltage detector OVG This detector measures a residual voltage and its sensitivity is fixed at 20V This detector is used for supervision of VT failure Undervoltage detector UVLS and UVLG The UVLS measures a phase to phase voltage while the UVLG measures a phase to earth voltage Their sensitivity ca...

Page 130: ...he autoreclose mode selection switch ARC M or PLC signals No 1683 1688 The PLC signals have priority over the switch ARC M setting In any case autoreclose is performed only once If the fault state still continues after reclosing three phases final tripping is activated Single phase autoreclose In this mode only the faulty phase is tripped and then reclosed if a single phase earth fault occurs In t...

Page 131: ...r system The autoreclose can also be activated from an external line protection At this time all autoreclose modes described above are effective If a fault occurs under the following conditions three phase final tripping is performed and autoreclose is blocked Reclosing block signal is received from external unit locally or remotely Throughout the reclaim time For evolving faults that occurred dur...

Page 132: ...Trip when ARC1 READY not operated Multi phase trip in SPAR ARC1 READY To Figure 2 10 2 8 CT DG OFF ARC DEF BUP ARC BLOCK 1544 OFF ARC BU Disable ARC M ARC_BLOCK1 1564 1 ARC FAIL For Leader CB ARC SUC ON Figure 2 7 2 1 Autoreclose Scheme Logic If the autoreclose is ready the internal tripping signal TRIP A B C or external tripping signal EXT_TRIP A B C for each phase of the circuit breaker activate...

Page 133: ...s of the CB are closing Autoreclose for multi phase fault Regardless of the autoreclose mode three phase tripping is performed and TRIP A to C are activated If the autoreclose mode is set to TPAR or SPAR TPAR the dead time counter TTPR1 for three phase reclosing is started After the dead time has elapsed reclosing command ARC is output based on the operating conditions of the voltage and synchroni...

Page 134: ...ead dead Line voltage VL live dead live dead The synchronism check is performed for voltage mode 1 while the voltage check is performed for voltage modes 2 and 3 Figure 2 7 2 3 Energizing Control Scheme Figure 2 7 2 3 shows the energizing control scheme The voltage and synchronism check output signal SYN OP is generated when the following conditions have been established Synchronism check element ...

Page 135: ...ied from the busbar voltage transformer On the contrary if the three phase voltages that are used for the distance protection are supplied from the busbar voltage transformer the reference voltage has to be supplied from the line voltage transformer Additionally it is not necessary to fix the phase of the reference voltage The signal 3PLL shown in Figure 2 7 2 3 is output when all three phase volt...

Page 136: ...ripping is performed However this operation is performed only in the single shot autoreclose mode In the multi shot autoreclose mode reclosing is retried as described below Multi shot autoreclose In multi shot autoreclose low speed autoreclose is executed up to three times after high speed autoreclose fails The first shot is high speed autoreclose that functions in the same manner as described for...

Page 137: ...ecomes the final tripping FT1 1 If the voltage and synchronism check element does not operate within the period of time set on the timer TS2R which is started at the same time as TS2 is started the multi shot autoreclose is cancelled MAR FT 1 When the three shots mode is selected for the multi shot mode autoreclose is further retried after the above tripping occurs At this time the TS3 and TS3R ar...

Page 138: ...applicable to two breaker autoreclose the scheme switch ARC SM is set to OFF for a default setting Autoreclose is not activated when an autoreclose prohibiting binary input signal is applied at the local or remote terminal ARC_BLOCK signal common for leader and follower CB ARC_BLOCK1 signal for leader CB ARC_BLOCK2 signal for follower CB The autoreclose scheme is different depending on the reclosi...

Page 139: ...eaker is different from that shown in Figure 2 7 2 7 in that the condition that a reclosing command is output to the leader breaker is added to the start of the dead time counter of the three phase autoreclose SPAR TPAR SPAR TPAR ARC M 5 300s t 0 52A 52B 52C CB2_READY 1546 TP Single phase trip ARC M SPAR SPAR TPAR 0 01 10s t 0 TRDY2 TSPR2 SPR F2 REQ 1833 Default CONSTANT 0 Single phase trip 0 01 1...

Page 140: ...signals by PLC SPAR SPR F ST REQ TPAR TPR F ST REQ SPAR TPAR SPR F ST REQ TPR F ST REQ The default setting for the follower CB autoreclose start requirement is as follows Reclose start requirement Default setting Remarks SPAR SPR F ST REQ CONSTANT_1 No condition TPAR TPR F ST REQ ARC SET ARC SET becomes 1 when the leader CB is reclosed Autoreclose requirement The autoreclose requirement can be des...

Page 141: ... SYN1 and SYN2 are the synchronism check elements to check synchronization between the two sides of the busbar and center breakers respectively TPARL SET is a scheme signal whose logical level becomes 1 when a three phase autoreclose command is output to the lead breaker SYN OP is a voltage and synchronism check output SYN2 UVL2 OVL2 UVL1 OVL1 SYN1 UVB OVB TLBD1 0 01 1 00s TDBL1 0 01 1 00s 0 01 10...

Page 142: ... follower breaker is reclosed with synchronism check only LB2 The leader breaker is reclosed under the live bus and dead line condition or with synchronism check and the follower breaker is reclosed under the dead bus and live line condition or with synchronism check DB Both breakers are reclosed under the dead bus and live line condition or with synchronism check SYN Both breakers are reclosed wi...

Page 143: ... 0 s Third shot reset time TS4R 5 0 300 0 s 0 1 s 30 0 s Fourth shot reset time ARC M Disabled SPAR TPAR SPAR TPAR EXT1P EXT3P SPAR TPAR Autoreclose mode ARC DEF OFF ON OFF DEF autoreclose ARC BU OFF ON OFF Backup trip autoreclose ARC EXT OFF ON OFF External start ARC SM OFF S2 S3 S4 OFF Multi shot autoreclose mode ARC SUC OFF ON OFF Autoreclose success checking VCHK OFF LB DB SY LB Energizing dir...

Page 144: ...e for example TRR is set to the time setting of the TTPR1 plus 100 ms The TEVLV determines the possibility of three phase reclosing for an evolving fault When the TEVLV is set to the same setting as the TSPR three phase reclosing is performed for all evolving faults As the setting for the TEVLV is made shorter the possibility of three phase reclosing for an evolving fault becomes small and that of...

Page 145: ...ing signal for a single breaker autoreclose or a reclosing signal for the busbar breaker in a two breaker autoreclose scheme ARC2 is the reclosing signal for the center breaker of the two breaker autoreclose scheme The assignment of these reclosing signals to the output relays can be configured which is done using the setting menu For more information on this see Section 3 2 2 and 4 2 6 9 For the ...

Page 146: ...xpressed as a fault section instead of a percentage It is also output to a local PC or RSM relay setting and monitoring system To measure the distance to fault the fault locator requires minimum 3 cycles as a fault duration time In distance to fault calculations the change in the current before and after the fault has occurred is used as a reference current alleviating influences of the load curre...

Page 147: ...tion NC Fault calculation has not converged In case of a fault such as a fault duration time is too short the fault location is not displayed and the marked is displayed 2 8 4 Distance to Fault Calculation 2 8 4 1 Fault location using the only local end data The distance to fault x1 is calculated from equation 1 and 2 using the local voltage and current of the fault phase and a current change befo...

Page 148: ...ance R0 resistance component of line zero sequence impedance X0 reactance component of line zero sequence impedance R0m resistance component of line mutual zero sequence impedance X0m reactance component of line mutual zero sequence impedance Ka impedance imbalance compensation factor Im imaginary part in parentheses Re real part in parentheses L line length km Equations 1 and 2 are general expres...

Page 149: ... B χ distance from terminal A to fault point as a ratio to line length Vf voltage at fault point Z line impedance The distance χ is given by Equation 3 by eliminating Vf χ VA VB ZIB Z IA IB 3 As IA IB is equal to differential current Id χ is calculated with the differential current obtained as follows χ VA VB ZIB ZId 4 The distance calculation principle mentioned above can be applied to three term...

Page 150: ...that the fault is between the junction and terminal B If the result does not match the input line data the calculation is repeated using Equation 7 assuming that the fault is between the junction and terminal C Calculation Method In the calculation the sequence quantities of voltages and currents are employed instead of the phase quantities Thus equation 4 is combined with Equation 8 to give χ V V...

Page 151: ... imbalance compensation factors Kab to Ka When variations in impedance of each phase can be ignored the imbalance compensation factor is set to 100 Z1 Zaa Zbb Zcc Zab Zbc Zca 3 Z0 Zaa Zbb Zcc 2 Zab Zbc Zca 3 10 Z0m Zam Zbm Zcm 3 Kab Zaa Zbb 2 Zab Z1 Kbc Zbb Zcc 2 Zbc Z1 Kca Zcc Zaa 2 Zca Z1 11 Ka Zaa Zab Zca 2 Z1 Kb Zbb Zbc Zab 2 Z1 Kc Zcc Zca Zab 2 Z1 The scheme switch FL Z0B is used when zero se...

Page 152: ... FL Z0B OFF ON OFF ZOB L 0 0 199 99 Ω 0 01 Ω 2 00Ω 0 0 999 9 Ω 0 1 Ω 10 0Ω ZOB R 0 0 199 99 Ω 0 01 Ω 2 00Ω 0 0 999 9 Ω 0 1 Ω 10 0Ω UVLS 50 100V 1V 77V Phase fault detection Section 2 For three terminal line 2R1 0 0 199 99 Ω 0 01 Ω 0 20Ω 0 0 999 9 Ω 0 1 Ω 1 0Ω 2X1 0 0 199 99 Ω 0 01 Ω 2 00Ω 0 0 999 9 Ω 0 1 Ω 10 0Ω 2Line 0 0 399 9 km 0 1 km 50 0 km Line length from junction to remote terminal 1 Secti...

Page 153: ...rdware modules The human machine interface module is provided with the front panel The hardware modules depend on the relay model Transformer module VCT Signal processing module SPM Binary input and output module 1 IO1 Binary input and output module 2 IO2 Binary output module 3 IO3 Binary input and output module 4 IO4 Binary input and output module 5 IO5 Binary input and output module 6 IO6 Binary...

Page 154: ... VCT SPM IO1 IO2 IO3 IO4 IO5 IO6 IO8 HMI Note The SPM module is not interchangeable among different models The hardware block diagrams of the GRZ100 using these modules are shown in Figure 3 1 1 3 and Figure 3 1 1 4 VCT IO 2 SPM IO 4 IO 1 IO 3 IO 1 IO1 Model 323 IO8 Model 216 226 IO 2 IO2 IO 3 IO4 Model 323 IO5 Model 216 226 IO 4 IO4 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 155: ...Interface HMI Liquid crystal display 40characters 4lines LEDs Monitoring jacks Operation keys RS232C I F Local PC Trip command or VT 5 VT 4 Telecommunication system MPU2 Auxiliary relay Photocoupler Auxiliary relay Photocoupler MPU1 Binary input 0 IO3 or 7 IO6 10 IO3 or 6 IO6 Auxiliary relay Photocoupler Opt I F or Ethernet LAN I F Remote PC 1 IO1 required for models 211 221 311 and 321 IO8 requir...

Page 156: ...id crystal display 40characters 4lines LEDs Monitoring jacks Operation keys RS232C I F Local PC Trip command or VT 5 VT 4 Telecommunication system MPU2 Auxiliary relay Photocoupler Auxiliary relay Photocoupler MPU1 Binary input 3 IO4 or 10 IO5 14 IO3 or 10 IO5 Auxiliary relay Photocoupler Binary I O Module IO 4 Binary output Binary input 3 14 Auxiliary relay Photocoupler Opt I F or Ethernet LAN I ...

Page 157: ...model The relationship between the relay model and number of AC input signals is given in Table 3 2 1 1 3I0m in Figure 3 1 2 1 is the residual current from the parallel line in a double circuit line and is used for mutual coupling compensation Vs1 and Vs2 are the busbar or line voltages necessary for the voltage and synchronism check for the autoreclose The transformer module is also provided with...

Page 158: ... out operations for the measuring elements and scheme logic operations for protection recording displaying and signal transmission control It implements 60 MIPS and uses two RISC Reduced Instruction Set Computer type 32 bit microprocessors The telecommunication control circuit consists of MPU2 executing control processing of local and received data memories RAM and ROM parallel to serial and seria...

Page 159: ...input signals and 3 auxiliary relays TP dedicated to the circuit breaker tripping command The 12 binary inputs have dedicated positive and negative inputs suitable for double pole switching The input voltage rating of the DC DC converter is 24V 48V 110V 125V or 220V 250V The normal range of input voltage is 20 to 20 The six or three tripping command auxiliary relays are the high speed operation ty...

Page 160: ...y relay high speed BI BI DC DC converter FG BI BI BI Photo coupler IO8 module Tripping command Binary input signals TP TP TP Line filter 3 12 DC supply Figure 3 1 4 2 IO8 Module w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 161: ...d Each BO has one normally open contact BO13 is a high speed operation type The RS485 is used for the link with serial communication system such as RSM Relay Setting and Monitoring or IEC60870 5 103 etc The external signal is isolated from the relay internal signal Auxiliary relay RS 485 IO2 module BI BI BI Binary output signals Binary input signals Photo coupler BO FAIL BO13 BO 3 BO 13 FAIL 1 Lin...

Page 162: ...ule incorporates 14 auxiliary relays BO for binary outputs and 3 photo coupler circuits BI All auxiliary relays each have one normally open contact Auxiliary relay BO BO BO BO Binary output signals 10 Figure 3 1 4 4 IO3 Module Auxiliary relay BO BO BO BO Binary output signals 14 BI BI BI Binary input signals 3 Photo coupler Figure 3 1 4 5 IO4 Module w w w E l e c t r i c a l P a r t M a n u a l s ...

Page 163: ...incorporates 7 photo coupler circuits BI for binary inputs and 6 auxiliary relays BO for binary outputs All auxiliary relays each have one normally open contact Auxiliary relay BO BO BO BO Photo coupler Binary output signals BI BI BI BI Binary input signals 10 10 Figure 3 1 4 6 IO5 Module Auxiliary relay BO BO BO BO Photo coupler Binary output signals BI BI BI BI Binary input signals 7 6 Figure 3 ...

Page 164: ...en via a logic gate which can be programmed for OR gate or AND gate operation Further each LED has a programmable reset characteristic settable for instantaneous drop off or for latching operation For the setting see Section 4 2 6 10 For the operation see Section 4 2 1 The GRZ100 provides the scheme switch AOLED which controls whether the TRIP LED is lit or not by an output of alarm element such a...

Page 165: ... S 0 8 3 4 100 110 115 120V 214B 13 10 Figure 3 1 5 1 Front Panel Light emitting diode Monitoring jack RS232C connector Operation keys Liquid crystal display w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 166: ...ent Protected line Residual Current Parallel line A phase Voltage B phase Voltage C phase Voltage Voltage for Autoreclose Voltage for Autoreclose earth Binary input signals Input signals are configurable and depend on the GRZ100 models See Appendix G for the default settings and external connections The binary input circuit of the GRZ100 is provided with a logic level inversion function as shown i...

Page 167: ... of Model 214B 224B Set t i ng Si gnal No Si gnal Name Nor m or I nv I O 1 BI 1 CB AUXI LI ARY CO NTACT A Ph 1536 CB1_ CO NT A BI 2 CB AUXI LI ARY CO NTACT B Ph 1537 CB1_ CO NT B BI 3 CB AUXI LI ARY CO NTACT C Ph 1538 CB1_ CO NT C BI 4 TRANSFER TRI P 1 3 PHASE TRI P 1724 TR1_ 3PTP BI 5 TRANSFER TRI P 2 3 PHASE TRI P 1725 TR2_ 3PTP BI 6 EXTERNAL M CCB TRI P 1541 EXT_ VTF BI 7 DI SCO NNECTO R NO RM ...

Page 168: ...TF_ BLO CK BI 26 BLO CK AUTO RECLO SE 1547 ARC_ BLO CK BI 27 CB READY FO R AUTO RECLO SE 1545 CB1_ READY BI 28 BLO CK CB FAI L PRO TECTI O N 1601 CBF_ BLO CK I O 4 BI 34 Spar e BI 35 Spar e BI 36 Spar e See t he BI SW set t i ng i n Rel ay set t i ng sheet M odul e Name BI No Cont ent s Table 3 2 1 2 d Default Binary Input Allocation of Model 311B 321B Set t i ng Si gnal No Si gnal Name Nor m or I...

Page 169: ...CATI O N RESET 1548 I ND RESET BI 14 M AI N PRO TECTI O N TRI P 1549 M PRO T_ TRI P BI 15 M AI N PRO TECTI O N I N SERVI CE 1550 M PRO T_ O N I O 2 BI 16 EXTERNAL TRI P A Ph 1552 EXT_ TRI P A BI 17 EXTERNAL TRI P B Ph 1553 EXT_ TRI P B BI 18 EXTERNAL TRI P C Ph 1554 EXT_ TRI P C I O 3 BI 19 CB2 AUXI LI ARY CO NTACT A Ph 1552 CB2_ CO NT A BI 20 CB2 AUXI LI ARY CO NTACT B Ph 1553 CB2_ CO NT B BI 21 ...

Page 170: ... using either an AND circuit or OR circuit with 6 gates each as shown in Figure 3 2 2 1 The output circuit can be configured according to the setting menu Appendix D shows the factory default settings A 0 2s delayed drop off timer can be attached to these assigned signals The delayed drop off time is disabled by the scheme switch BOTD In the external communication a binary output is required for s...

Page 171: ...corresponding to relay elements or binary circuits Configurable binary inputs binary outputs and LEDs and the initiation trigger of disturbance record are programmed by the PLC function Temporary signals are provided for complicated logics or for using a user configured signal in many logic sequences PLC logic is assigned to protection signals by using the PLC tool For PLC tool refer to PLC tool i...

Page 172: ...y refer to IEC IEV 448 In a fault during automatic testing the tripping outputs are blocked for approximately 100 ms 3 3 2 Relay Monitoring and Testing The following items are supervised AC input imbalance monitoring The AC voltage and current inputs are monitored to check that the following equations are satisfied and the health of the AC input circuits is checked Zero sequence voltage monitoring...

Page 173: ...er which is cleared periodically by software is provided and it is checked that the software is running normally DC Supply monitoring The secondary voltage level of the built in DC DC converter is monitored and checked that the DC voltage is within a prescribed range 3 3 3 CT Circuit Current Monitoring The CT circuit is monitored to check that the following equation is satisfied and the health of ...

Page 174: ...e monitoring The channel delay time is measured at the receiving end If the time exceeds the timer TDSV setting an alarm is issued 3 3 5 Signal Channel Monitoring and Testing for External Communication Signal channel monitoring In the PUP POP or UOP schemes when a trip permission signal is received consecutively for 10 seconds this is considered to be an error of the signal channel and an alarm is...

Page 175: ...f circuit breaker arrangement To monitor the disconnector one pair of normally open contact and normally closed contact is introduced Disconnector failure is detected when both contacts are simultaneously in the open or closed state for a prescribed period Monitoring is blocked by setting the scheme switch LSSV to OFF Default setting of the LSSV is OFF to prevent a false failure detection when the...

Page 176: ... rdy off Term 2 rdy off on on 4 Term 1 rdy Term 2 rdy Relay address monitoring RYID1 err RYID2 err off on 4 RYID1 err RYID2 err Disconnector monitoring DS fail on on 4 DS fail VT monitoring VT fail on on 4 VTF In case of three terminal line application 1 There are various messages such as xxxerr and xxxfail as shown in the table in Section 6 7 2 2 It depends on the degree of voltage drop 3 The bin...

Page 177: ... CTSV OFF ALM BLK ALM OFF CT circuit monitoring Setting of RYID RYID1 and RYID2 Relay address number must take a different number at each terminal If the relay address monitoring switch RYIDSV is OFF their settings are ignored The RYID2 setting is enabled by setting the TERM to 3TERM or Dual Two terminal application Set the local relay address number to RYID and the remote relay address number to ...

Page 178: ...1 CH2 CH1 CH2 Terminal A b Two terminal Application Dual RYID 1 RYID1 0 RYID2 0 RYID 0 RYID1 1 RYID2 1 Terminal B Terminal A Terminal C CH1 CH2 CH2 CH1 CH1 CH2 RYID 2 RYID1 0 RYID2 1 RYID 0 RYID1 1 RYID2 2 RYID 1 RYID1 2 RYID2 0 c Three terminal Application Figure 3 3 10 1 Relay Address Setting w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 179: ... time resolution is 1 ms using the relay internal clock To be precise this is the time at which a tripping command has been output and thus it is approximately 10 ms after the occurrence of the fault Fault phase The faulted phase is displayed when tripping by a distance measuring element The fault phase is determined by the fault phase detection logic However the fault phase depends on the setting...

Page 180: ...ase angle of phase to phase voltage Vab Vbc Vca Magnitude and phase angle of symmetrical component voltage V1 V2 V0 Magnitude and phase angle of phase voltage for autoreclose Vs1 Vs2 Magnitude and phase angle of phase current Ia Ib Ic Magnitude and phase angle of phase to phase current Iab Ibc Ica Magnitude and phase angle of symmetrical component current I1 I2 I0 Magnitude of parallel line zero s...

Page 181: ...ted when overcurrent or undervoltage starter elements operate or a tripping command is output or PLC command by user setting max 4 is outputted The records include 8 analog signals Va Vb Vc Ia Ib Ic 3I0 3I0m 32 binary signals and the dates and times at which recording started Any binary signal in shown in Appendix B can be assigned by the binary signal setting of disturbance record The default set...

Page 182: ...51 V Undervoltage detection earth fault Current values shown in the parentheses are for the case of a 1A rating Other current values are for the case of a 5A rating Starting the disturbance recording by a tripping command or the starter elements listed above is enabled or disabled by setting the following scheme switches with identical names with the starter elements except the switch TRIP Element...

Page 183: ... angle of symmetrical component voltage V11 V21 V01 Magnitude and phase angle of phase current Ia1 Ib1 Ic1 Magnitude and phase angle of phase to phase current Iab1 Ibc1 Ica1 Magnitude and phase angle of symmetrical component current I11 I21 I01 Remote terminal 2 Magnitude and phase angle of phase voltage Va2 Vb2 Vc2 Magnitude and phase angle of phase to phase voltage Vab2 Vbc2 Vca2 Magnitude and p...

Page 184: ... front panel is provided with a liquid crystal display LCD light emitting diode LED operation keys view and reset keys monitoring jack and RS232C connector 100 110 115 120V 204B 21 10 Figure 4 1 1 1 Front Panel LCD The LCD screen provided with a 4 line 40 character back light provides the user with detailed information of the relay interior such as records status and setting The LCD screen is norm...

Page 185: ...ction of each operation key is as follows c 0 9 Used to enter a selected number numerical values and a text string Keys 2 4 6 and 8 marked with and are also used to enter a text string d Used to move lines displayed within a screen e CANCEL Used to cancel entries and return to the upper screen f END Used to end entering operation return to the upper screen or turn off the display g ENTER Used to s...

Page 186: ...ort type one port COM1 or OP1 can be used for the relay setting and monitoring RSM system or IEC60870 5 103 communication while the other port COM2 or OP2 is used for IEC60870 5 103 communication only Screw terminal for RS485 ST connector for fibre optic or RJ45 connector for Ethernet LAN 10Base T is provided on the back of the relay as shown in Figure 4 1 2 1 3 IRIG B port The IRIG B port is moun...

Page 187: ...pin terminal block 36 pin terminal block IRIG BNC connector RS485 connection terminal RS485 connection terminal IRIG BNC connector ST LC type connector or D sub connector for Telecommunication RJ45 connector option ST SC type connector or D sub connector for Telecommunication RJ45 connector option ST connector for serial communication option w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 188: ...ｂ２２００ｋＶＩａ１０５ｋＡ３７０２５ＭＷＶｂｃ２１９８ｋＶＩｂ１０５ｋＡ３０１３ＭＶａｒＶｃａ２２００ｋＶＩｃ１０５ｋＡ６０１ＨｚＭｅｔｅｒｉｎｇ２０８Ｄｅｃ１９９７２２５６Ｖａｂ１２２００ｋＶＩａ１０５５ｋＡＶｂｃ１２１９８ｋＶＩｂ１０５５ｋＡＶｃａ１２２００ｋＶＩｃ１０５５ｋＡＭｅｔｅｒｉｎｇ３０８Ｄｅｃ１９９７２２５６Ｖａｂ１２２００ｋＶＩａ１０５０ｋＡＶｂｃ１２１９８ｋＶＩｂ１０５０ｋＡＶｃａ１２２００ｋＶＩｃ１０５０ｋＡ Press the RESET key to turn off the LCD For any display the back light is automatically turned off after five ...

Page 189: ...t turn off Step 2 Then press the RESET key in short period on the Latest fault screen turn off When any of the menu screens is displayed the VIEW and RESET keys do not function To return from menu screen to the digest Latest fault screen do the following Return to the top screen of the menu by repeatedly pressing the END key Press the END key to turn off the LCD Press the VIEW key to display the d...

Page 190: ...through LED4 will remain lit in case the assigned signals are still active state While any of the menu screen is displayed the VIEW and RESET keys do not function To return to the digest Auto supervision screen do the following Return to the top screen of the menu by repeatedly pressing the END key Press the END key to turn off the LCD Press the VIEW key to display the digest screen Press the RESE...

Page 191: ...adjustment Direction Setting view Version Description Communication Record Status Protection Binary input Binary output LED Setting change Password Description Communication Record Status Protection Binary input Binary output LED Test Switch Manual test Binary output Timer Logic circuit Figure 4 2 2 1 Relay Menu Menu w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 192: ...y protection Test The Test menu is used to set testing switches to test the trip circuit to forcibly operate binary output relays to measure variable timer time and to observe the binary signals in the logic circuit When the LCD is off press any key other than the VIEW and RESET keys to display the top MENU screen and then proceed to the relay menus M E N U 1 R e c o r d 2 S t a t u s 3 S e t t i ...

Page 193: ...turn to the higher screen and then move to the lower screen 4 2 3 Displaying Records The sub menu of Records is used to display fault records event records disturbance records and autoreclosing output count 4 2 3 1Displaying Fault Records To display fault records do the following Open the top MENU screen by pressing any keys other than the VIEW and RESET keys Select 1 Record to display the Record ...

Page 194: ...ＩａｂｋＡＶｂｃｋＶＩｂｃｋＡＶｃａｋＶＩｃａｋＡＶｓ１ｋＶＶ１ｋＶ００Ｉ１ｋＡＶ２ｋＶＩ２ｋＡＶ０ｋＶＩ０ｋＡＩ０ｍｋＡＲａ Ω Ｘａ Ω Ｒｂ Ω Ｘｂ Ω Ｒｃ Ω Ｘｃ Ω Ｒａｂ Ω Ｘａｂ Ω Ｒｂｃ Ω Ｘｂｃ Ω Ｒｃａ Ω Ｘｃａ Ω ＴＨＭ０４Ｎｏｖ１９９７１５０９５９８１７ＴＰＡＲ１ＴＰＡＲ２０４Ｎｏｖ１９９７１５１００００２９Ｚ１ＣＲＴＦＴ１ＦＴ２ Power system quantities Relevant events Date and Time Fault phase Tripping mode Fault location Tripping phase The lines which are not displayed in the window can be...

Page 195: ... c t 1 9 9 8 2 3 1 8 0 3 9 1 3 T r i p O n 1 2 F e b 1 9 9 8 0 3 5 1 3 7 6 2 2 R l y e s t c h a g n e The lines which are not displayed in the window can be displayed by pressing the and keys To clear event records do the following Open the Record sub menu Select 2 Event record to display the Event record screen Select 2 Clear to display the following confirmation screen 2 E v e n t r e c o r d C...

Page 196: ... L N o Press the ENTER Yes key to clear all the disturbance records stored in non volatile memory 4 2 3 4Displaying Automatic Test The Automatic test screens show the cumulative number of times the automatic test has been carried out and the automatic test interval The manual tests described in Section 4 2 7 2 are also added to these counts For setting the test interval see Section 4 2 6 5 The tel...

Page 197: ...and return to the previous screen 4 2 3 5Displaying Autoreclose Count The autoreclose output counts can be displayed or can be reset to zero as follows To display the autoreclose output counts on the LCD do the following Select 1 Record on the top MENU screen to display the Record sub menu Select 5 Autoreclose count to display the Autoreclose count screen 1 a 2 c o u n t i s l D p 2 R e s e t u t ...

Page 198: ...protected line Status of binary inputs and outputs Status of measuring elements output Status of time synchronization source Load current direction This data is updated every second This sub menu is also used to adjust the time of the internal clock 4 2 4 1Displaying Metering Data To display metering data on the LCD do the following Select 2 Status on the top MENU screen to display the Status scre...

Page 199: ...ｙＨｚ Metering data is expressed as primary values or secondary values depending on the setting For setting see Section 4 2 6 6 4 2 4 2Displaying the Status of Binary Inputs and Outputs To display the binary input and output status do the following Select 2 Status on the top MENU screen to display the Status screen Select 2 Binary I O to display the binary input and output status 2 B i n a r y i n ...

Page 200: ...ping command outputs FAIL of line 6 correspond to the relay failure output Other outputs expressed with BO1 to BO14 are configurable The status of these outputs is expressed with logical level 1 or 0 at the input circuit of the output relay driver That is the output relay is energized when the status is 1 IO 1 to IO 4 in the table indicate the names of the module containing the binary output relay...

Page 201: ...es 1 to 4 show the operation status of distance measuring elements for earth faults and phase faults respectively Line 5 shows the operation status of blinder elements Lines 6 to 9 show the status of overcurrent directional earth fault and overvoltage elements Lines 10 to 13 show the status of undervoltage elements Line 14 shows the status of the overcurrent element for breaker failure protection ...

Page 202: ...on the top MENU screen to display the Status screen Select 5 Clock adjustment to display the setting screen 2 1 2 F e b 1 9 9 8 2 2 5 6 1 9 L o c a l 1 5 M i n u t e 0 5 9 4 1 H o u r 0 2 3 2 2 D a y 1 3 1 1 2 M o n t h 1 1 2 2 Y e a r 1 9 9 0 2 0 8 9 1 9 9 8 Line 1 shows the current date time and time synchronization source with which the internal clock is synchronized The time can be adjusted on...

Page 203: ...g Enter a number on the LCD to display each item as described in the previous sections 4 2 5 1Relay Version To view the relay version do the following Press 3 Setting view on the main MENU screen to display the Setting view screen 1 S e t t i n g 1 V e r s i o n v i e w 2 D e s c r i p t i o n 3 C o m m 4 R e c o r d 7 B i n a r y i 5 S t a t u s 6 P r o t e c t i o n n p u t 8 B i n a y r t o u t...

Page 204: ...the and keys 3 M e t e r i n g 3 3 D i s p l a y v a l u e 1 P r i m a r y 2 S e c o n r y d a 1 P o w e r C u r r e n t P Q 1 S e n d 1 L a g 2 R e c e i v e 2 L e a d 1 1 Move the cursor to a setting line Enter the selected number Numbers other than those displayed cannot be entered Press the ENTER key to confirm the entry and the cursor will move to the next line below On the lowest line the en...

Page 205: ...n by pressing the and keys If setting change is not required skip the line with the and keys Z 1 S θ 1 0 4 5 0 d e g Z 1 X S 0 0 1 5 0 0 0 0 0 1 Ω 7 D i s t a n c e 1 3 6 Z 1 S 0 0 1 5 0 0 0 0 0 1 _ Ω Move the cursor to a setting line Enter the numerical value Press the ENTER key to confirm the entry and the cursor will move to the next line below If a numerical value outside the displayed range i...

Page 206: ...ach setting screen by pressing the ENTER key the new settings are not yet used for operation though stored in the memory To validate the new settings take the following steps Press the END key to return to the upper screen Repeat this until the confirmation screen shown below is displayed The confirmation screen is displayed just before returning to the Setting change sub menu g g C h a n e s e t ...

Page 207: ...trap screen Password is displayed If the password is not entered correctly it is not possible to move to the Setting change sub menu screens P a s s w o r d I n p u t p a s s w o r d Canceling or changing the password To cancel the password protection enter 0000 in the two brackets on the Password screen The Setting change screen is then displayed without having to enter a password The password ca...

Page 208: ...wed with the Setting view sub menu and attached to disturbance records when they are displayed on a local or a remote PC 4 2 6 4Communication If the relay is linked with RSM or IEC60870 5 103 the relay address must be set Do this as follows Press 4 Setting change on the main MENU screen to display the Setting change screen Press 3 Comm on the Setting change screen to display the Communication scre...

Page 209: ...ect the protocol for channel 1 COM1 or OP1 of the serial communication port RS485 or FO fibre optic When the remote RSM system applied select 1 HDLC When the IEC60870 5 103 applied select 2 IEC103 232C This line is to select the RS232C baud rate when the RSM system applied Note The default setting of the 232C is 9 6kbps The 57 6kbps setting if possible is recommended to serve user for comfortable ...

Page 210: ...BITRN Enter the number of event to record the status change both to On and Off If enter 20 both status change is recorded for EV1 to EV20 events and only the status change to On is recorded for EV21 to EV128 events EV Enter the signal number to record as the event in Appendix B It is recommended that this setting can be performed by RSM100 because the signal name cannot be entered by LCD screen Re...

Page 211: ... to display the Binary signal screen S I G 4 0 3 0 7 1 4 S I G 3 0 3 0 7 1 3 S I G 2 0 3 0 7 1 2 ４ B i n a r y s i g n a l 1 3 2 S I G 1 0 3 0 7 1 1 _ S I G 3 2 0 3 0 7 1 0 Enter the signal number to record binary signals in Appendix B It is recommended that this setting can be performed by RSM100 because the signal name cannot be entered by LCD screen Refer to Section 3 4 3 Setting the automatic ...

Page 212: ...M clock or IEC60870 5 103 This is selected by setting as follows Press 2 Time synchronization to display the Time synchronization screen ３Ｔｉｍｅｓｙｎｃｈｒｏｎｉｚａｔｉｏｎ０Ｏｆｆ１ＩＲＩＧ２ＲＳＭ３ＩＥＣ４ＲＭＴＣｕｒｒｅｎｔＮｏ０ＳｅｌｅｃｔＮｏ Enter the selected number and press the ENTER key Note When to select IRIG B RSM IEC or RMT check that they are active on the Time synchronization source screen in Status sub menu If it ...

Page 213: ...ctive group Press 1 Change active group to display the Change active group screen 3 C h a n g e a c t i v e g r o u p A c t i v e g r o u p 1 G r o u p 1 2 G r o u p 2 3 G r o u p 3 4 G r o u p 4 5 G r o u p 5 6 G r o u p 6 7 G r o u p 7 8 G r o u p 8 C u r r e n t N o S e l e c t N o Enter the selected number and press the ENTER key Changing the settings Almost all the setting items have default ...

Page 214: ...２００００２０００ＶＴｒ２１２００００２０００ＣＴ１２００００４００ＣＴｒ１１２００００４００ＣＴｒ２１２００００４００ Enter the VT ratio for protection function and press the ENTER key Enter the VTs1 ratio and or VTs2 ratio for autoreclose function and press the ENTER key VTs1 is used for the VT ratio setting for voltage and synchronism check of autoreclose function VTs2 is used for the VT ratio setting for the other voltage and synchro...

Page 215: ...ation elements do the following Press 2 Telecommunication on the Protection screen to display the Telecommunication screen ５ＴｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎＧｒｏｕｐ１Ｓｃｈｅｍｅｓｗｉｔｃｈ２Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｅｌｅｍｅｎｔ Press 1 Scheme switch to display the Scheme switch screen Set the CO LINK to Integral communication Int or External communication Ext and the SP SYN to Master or Slave and the TERM to 2 terminal line 2TERM o...

Page 216: ...tting for transmission delay time to be supervised TCDT1 TCDT2 Adjusting the transmission delay time difference for channel 1 and 2 ６Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｅｌｅｍｅｎｔ１６ＲＹＩＤ０６３０ＲＹＩＤ１０６３０ＲＹＩＤ２０６３０ＴＤＳＶ１００１６０００６０００ｕｓＴＣＤＴ１１００００１０００００ｕｓＴＣＤＴ２１００００１０００００ｕｓ Setting the protection function To set the protection schemes scheme switches and protection elements do the following Protection...

Page 217: ... P O P D E F 8 U O P D E F 9 B O P D E F C u r r e n t N o 2 S e l e c t N o 0 P U P D E F 1 Select the protection scheme to be used by entering the number corresponding to the protection scheme and press the ENTER key Press the END key to return to the Trip screen Setting the scheme switches Press 2 Scheme switch on the Trip screen to display the Scheme switch screen w w w E l e c t r i c a l P a...

Page 219: ...display the Protection element screen 6 P r o t e c t i o n e l e m e n t G r o u p 1 D i s t a n c e 2 P S B O S T 3 O C D E F U V 4 C o m m a n d t r i p Distance Press 1 Distance to display the Distance screen The measuring elements and timers used in the distance protection are set using this screen w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 220: ... ００ｓＴＺＮＤＳ０００１００００００ｓＺ１Ｇ００１５０００００１ Ω Ｚ１ＸＧ００１５０００００１ Ω Ｚ１Ｇθ１０４５０ｄｅｇＺ１Ｇθ２４５９０９０ｄｅｇＢＦＲ１Ｇ０１０２００００１０ Ω ＢＦＲＸＧ０１０２００００１０ Ω Ｚ２Ｇ００１５０００００１ Ω ＢＦＲ２Ｇ０１０２００００１０ Ω ＺＦＧ００１１００００００１ Ω ＢＦＲＦＧ０１０２００００１０ Ω Ｚ３Ｇ００１１００００１００ Ω Ｚ３Ｇθ ４５９０６０ｄｅｇＺＢＧθ ０４５５ｄｅｇＢＦＲＧ０１０２００００１０ Ω ＢＦＬＧθ ９０１３５１２０ｄｅｇＺＲ１Ｇ０００５００００００ Ω ＺＲ２Ｇ０００１０００００００ Ω ...

Page 221: ...ＳＢＳＺ０５０１５０００５０ Ω ＰＳＢＧＺ０５０１５０００５０ Ω ＴＰＳＢ２０６０４０ｍｓＯＳＴＲ１３０３００１０ Ω ＯＳＴＲ２１０１００１０ Ω ＯＳＴＸＦ１０５００１０ Ω ＯＳＴＸＢ０２１０００２ Ω ＴＯＳＴ１００１１００００１ｓＴＯＳＴ２００１１００００１ｓ Enter the numerical value and press the ENTER key for each element After setting all elements press the END key to return to the Protection element menu OC DEF UV Press 3 OC DEF UV to display the OC DEF UV ...

Page 222: ...Ω ＵＶＣθ ４５９０６０ｄｅｇＵＶＦＳ５０１００５０ＶＵＶＬＳ５０１００５０ＶＵＶＦＧ１０６０１０ＶＵＶＬＧ１０６０１０ＶＯＣＤＰ０５１００４０ＡＯＶＳ１５０１５００１２００ＶＴＯＳ１Ｉ００５１０００１０００ＴＯＳ１０００３０００００１０ｓＴＯＳ１Ｒ００３０００００ｓＯＳ１ＤＰ１０９８９５ＴＵＧ２０００３０００００１０ｓＶＧＢＬＫ５０２００１００ＶＢＣＤ０１０１０００２０ＴＢＣＤ０００３０００００００ｓＴＨＭ２０１００５０ＡＴＨＭＩＰ００５０００ＡＴＴＨＭ０５３０００１００ｍｉｎＴＨＭＡ５０９９８０ Enter the numerical v...

Page 223: ... set The autoreclose function setting menu of the GRZ100 does not display unnecessary setting items Therefore start by setting the autoreclose mode and proceed to set the scheme switch then the autoreclose elements As a result of the above note that some of the setting items described below may not appear in the actual setting Press 3 Autoreclose on the Protection screen to display the Autoreclose...

Page 224: ...n t G r o u p 1 A u t o r e c l o s e t i m e r 2 S y n c h r o c h e c k l Autoreclose timer Press 1 Autoreclose timer to display the Autoreclose timer screen T S P R 1 0 0 1 1 0 0 0 8 0 s T R D Y 1 5 3 0 0 6 0 s 7 A u t o r e c l o s e t i m e r 1 1 3 T E V L V 0 0 1 1 0 0 1 0 0 _ s T R R 0 0 1 1 0 0 0 0 2 0 0 s T T P R 1 0 0 1 1 0 0 0 0 0 6 0 s T S 2 5 0 3 0 0 0 2 0 0 s T S 2 R 5 0 3 0 0 0 3 0 ...

Page 225: ...oup number to be copied in line A and press the ENTER key Enter the group number to be overwritten by the copy in line B and press the ENTER key 4 2 6 8Binary Input The logic level of binary input signals can be inverted by setting before entering the scheme logic Inversion is used when the input contact cannot meet the requisite described in the Table 3 2 2 Press 7 Binary input on the Setting cha...

Page 226: ...ers depending on the relay model 2 B i n a r y o u t p u t 1 I O 2 I O 2 3 Press the number corresponding to the selected output module to display the Binary output screen 3 B i n a r y o u t p u t S e l e c t B O 1 S e l e c t N o Note This setting is required for all of the binary outputs If any of the binary output is not used enter 0 to the logic gates 1 6 in assigning signals Selecting the ou...

Page 227: ...ate operation Further each LED has a programmable reset characteristic settable for instantaneous drop off or for latching operation The signals listed in Appendix B can be assigned to each LED as follows Selection of LED Press 9 LED on the Setting change screen to display the LED screen 2 L E D S e l e c t L E 1 D 4 S e l e c t N o Enter the LED number and press the ENTER key to display the Setti...

Page 228: ...ing the switch A M F to Off Disabling the A M F inhibits trip blocking even in the event of a failure in the items being monitored by this function It also prevents failures from being displayed on the ALARM LED and LCD described in Section 4 2 1 No events related to the A M F are recorded either Disabling A M F is useful for blocking the output of unnecessary alarms during testing Note Set the sw...

Page 229: ...S 1PH ZB CTRL XANGLE and DOCN C are implemented only for the function test While the switch A M F is set to 0 Z1S 1PH is set to 1 ZB CTRL is set to 1 or 2 XANGLE is set to 1 DOCN C is set to 1 the red TESTING LED is lit for alarming Caution Be sure to restore these switches after the tests are completed Disabling automatic monitoring Press 5 Test on the top MENU screen to display the Test screen 1...

Page 230: ...est screen Testing the gradient characteristic of Zone 1 and Zone 1X Enter 0 for A M F to disable the automatic monitoring function and enter 1 for XANGLE to modify the gradient characteristic forcibly Press the END key to return to the Test screen Testing the characteristic of DOCN Enter 0 for A M F to disable the automatic monitoring function and enter 1 for DOCN C to enable the DOCN element to ...

Page 231: ...ey Press the END key to return to the Test screen COM and SCOM In the integral digital communication it is possible to forcibly send communication data COM1 to COM14 and SCOM1 to SCOM4 for testing If testing a desired communication data is set to ON and press 1 Telecomm channel test on the Manual test screen 4 2 7 2Manual Testing When the external communication is applied the automatic test of the...

Page 232: ...l binary output relays for checking connections with external devices Forced operation can be performed on one or more binary outputs at a time for each module Press 3 Binary output on the Test screen to display the Binary output screen 2 B i n a r y o u t p u t 1 I O 2 I O 3 I O 1 2 3 The LCD displays the output modules mounted depending on the model Enter the selected number corresponding to eac...

Page 233: ...r corresponding to the timer to be observed and press the ENTER key The timers and related numbers are listed in Appendix C Press the END key to display the following screen 2 T i m e r P r e s s E N T E R t o o p e r a t e P r e s s C A N C E L t o c a n c e l Press the ENTER key to operate the timer The TESTING LED turns on and the timer is initiated and the following display appears The input a...

Page 234: ...1 T e r m B 0 0 7 1 4 8 3 3 Enter a signal number to be observed at monitoring jack A and press the ENTER key Enter the other signal number to be observed at monitoring jack B and press the ENTER key After completing the setting the signals can be observed by the binary logic level at monitoring jacks A and B or by the LEDs above the jacks On screens other than the above screen observation with th...

Page 235: ...ure 4 4 1 shows the typical configuration of the RSM system via a protocol converter G1PR2 The relays are connected through twisted pair cables and the maximum 256 relays can be connected since the G1PR2 can provide up to 8 ports The total length of twisted pair wires should not exceed 1200 m Relays are mutually connected using an RS485 port on the relay rear panel and connected to a PC RS232C por...

Page 236: ...ure 4 4 1 The relay supports two baud rates 9 6kbps and 19 2kbps The data transfer from the relay can be blocked by the setting For the settings see the Section 4 2 6 4 4 6 Clock Function The clock function Calendar clock is used for time tagging for the following purposes Event records Disturbance records Fault records Metering Automatic supervision Display of the system quantities on the digest ...

Page 237: ... the left and right side of the relay respectively and the two bars on the top and bottom of the relay How to mount the attachment kit see Appendix F Dimensions of the attachment kits EP 101 and EP 102 is also shown in Appendix F 5 3 Electrostatic Discharge CAUTION Do not take out any modules outside the relay case since electronic components on the modules are very sensitive to electrostatic disc...

Page 238: ...nducting surface which is at the same potential as yourself Do not place modules in polystyrene trays It is strongly recommended that detailed investigations on electronic circuitry should be carried out in a Special Handling Area such as described in the IEC 60747 5 5 External Connections External connections are shown in Appendix G Electrical interface for telecommunication The connector should ...

Page 239: ...t pull the cable 4 Do not bend the cable 5 Do not bend the neck of the connector 6 Do not twist the cable 7 Do not kink in the cable 8 Do not put and drop on the cable 9 Do not bend the cable to mm or less in radius Length differs from characteristics of optical cable w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 240: ...ect Defects of hardware circuits other than the following can be detected by monitoring which circuits functions when the DC power is supplied User interfaces Binary input circuits and output circuits AC input circuits Function tests These tests are performed for the following functions that are fully software based Tests of the protection schemes and fault locator require a dynamic test set Measu...

Page 241: ...ct disconnect the flat cable on the front of the printed circuit board PCB While the power is on do not mount dismount the PCB Before turning on the power check the following Make sure the polarity and voltage of the power supply are correct Make sure the CT circuit is not open Make sure the VT circuit is not short circuited Be careful that the transformer module is not damaged due to an overcurre...

Page 242: ... Appendix D Binary Output Default Setting List Appendix H Relay Setting Sheet Visual inspection After unpacking the product check for any damage to the relay case If there is any damage the internal module might also have been affected Contact the vendor Relay ratings Check that the items described on the nameplate on the front of the relay conform to the user s specification The items are relay t...

Page 243: ... that black dots appear on the whole screen LED display Apply the rated DC voltage and check that the IN SERVICE LED is lit in green Press the RESET key for 1 second when the LCD is off and check that seven LEDs under the IN SERVICE LED and two LEDs for monitoring jacks A and B are lit in red VIEW and RESET keys Press the VIEW key when the LCD is off and check that the Metering screen is displayed...

Page 244: ... 0 I n p u t I O 2 0 0 0 O u t p u t I O 1 t r i p 0 0 0 0 0 0 O u t p u t I O 3 0 0 0 0 0 0 0 0 0 0 O u t p u t I O 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 O u t p u t I O 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 I n p u t I O 3 0 0 0 0 0 0 0 0 0 0 I n p u t I O 4 0 0 0 Apply rated DC voltage to terminals of each binary input circuit Note Terminal number depends on the relay model So see Appendix G for details Check ...

Page 245: ...o be operated The LCD will display the name of the module the name of the output relay the name of the terminal block and the terminal number to which the relay contact is connected Enter 1 and press the ENTER key After completing the entries press the END key The LCD will display the screen shown below If 1 is entered for all of the output relays the following forcible operation can be performed ...

Page 246: ...3 4 6 5 7 8 10 9 A16 A17 E TB4 Ia Ib Ic GRZ100 Figure 6 4 4 1 Testing AC Input Circuit Check that the metering data is set to be expressed as secondary values Display value 2 on the Metering screen Setting view sub menu Status screen Metering screen If the setting is Primary Display value 1 change the setting in the Setting change sub menu Remember to reset it to the initial setting after the test...

Page 247: ...est sub menu 2 L o g 1 2 T e r m 0 0 7 1 0 T e r m 0 0 7 1 0 i c c i r c u i t A B 3 3 When a signal number is entered for the TermA line the signal is observed at monitoring jack A and when entered for the TermB line observed at monitoring jack B Note The voltage level at the monitoring jacks is 15V 3V for logic level 1 when measured by an instrument with 10kΩ input impedance and less than 0 1V f...

Page 248: ...a Ib GRZ100 DC power supply Monitoring jack A 0V Figure 6 5 1 1 Testing Phase Fault Element Phase fault elements and their output signal numbers are listed below Measuring element Signal number Z1S AB 34 Z1XS AB 37 Z2S AB 40 Z3S AB 43 Z4S AB 46 ZFS AB 577 ZR1S AB 553 ZR2S AB 557 ZNDS AB 581 PSBSIN AB 323 PSBSOUT AB 49 Press 5 Logic circuit on the Test screen to display the Logic circuit screen Ent...

Page 249: ...ase of 5A rating Set the voltage and current phase relationship as shown below That is Va lags Vc by 90 Vb Va and IT lags Va by θ or θ 180 θ is 90 when testing IT θ 90 Vb Vc Va Z1S Z1XS Z2S Z3S and PSB θ 180 IT Vb Va Vc Z4S Adjust the magnitude of Va and Vb while retaining the conditions above and measure the voltage Va at which the element operates The theoretical operating voltage is obtained by...

Page 250: ...ing angle θ θ θ θ θ θ sin 1 tan tan 1 tan tan 1 sin 1 1 2 1 1 I X I X V p where X1 is the Z1S setting reach θ is the angle difference between voltage and current Note Toshiba recommend that a minimum of three values for θ be tested to check that the correct relay settings have been applied Care must be taken in choosing values of θ to ensure that the testing points come within the operating bounda...

Page 251: ...mber are listed below Measuring element Signal number Z1G A 19 Z1XG A 22 Z2G A 25 Z3G A 28 Z4G A 31 ZFG A 593 ZR1G A 569 ZR2G A 573 ZNDG A 597 PSBGIN A 561 PSBGOUT A 565 Press 5 Logic circuit on the Test screen to display the Logic circuit screen Enter a signal number to be observed at monitoring jack A and press the ENTER key Apply three phase rated voltage Choose a test current IT by referring t...

Page 252: ... Va Vb and Vc are balanced and IT lags Va by θ or θ 180 θ is 90 when testing θ 180 Z4G IT Vb Vc Va Z1G Z1XG Z2G and Z3G IT θ Vb Vc Va Adjust the magnitude of Va while retaining the conditions above and measure the voltage at which the element operates The theoretical operating voltage Vop is obtained by the following equations when the setting reach is ZG Check that the measured voltage is within ...

Page 253: ...ngle difference between voltage and current Note Toshiba recommend that a minimum of three values for θ be tested to check that the correct relay settings have been applied Care must be taken in choosing values of θ to ensure that the testing points come within the operating boundary defined by the Z1G θ2 setting and either the load blinder or mho settings as appropriate 6 5 1 2Out of step Element...

Page 254: ... the case of 1A rating Other values are in the case of 5A rating OSTXF Set the voltage and current phase relation as shown below That is Va lags Vc by 90 Vb Va and IT lags Va by 90 90 90 Vb Va Vc IT Adjust the magnitude of Va and Vb while retaining the conditions above and measure the voltage Va at which the element operates The theoretical operating voltage is obtained by 2IT ZOST when the settin...

Page 255: ...That is Va lags Vc by 90 Vb Va and IT is in phase with Va Adjust the magnitude of Va and Vb while retaining the conditions above and measure the voltage Va at which the element operates The theoretical operating voltage is obtained by 2IT ZOST when the setting reach is ZOST Check that the measured voltage is within 5 of the theoretical voltage value when it is expressed with 2Va Va Vb Element ZOST...

Page 256: ... Enter 66 as a signal number to be observed at monitoring jack A and press the ENTER key Apply a three phase rated voltage Set the test current IT to zero ampere and adjust the voltage Measure the voltage at which the element operates Check that the voltage is within 5 of the setting UVCV The default setting of the UVCV is 48 V Choose a test current IT by referring to the table below which shows t...

Page 257: ...low Measuring element Signal number DEFF 59 DEFR 58 The following shows the case when testing DEFF Press 5 Logic circuit on the Test screen to display the Logic circuit screen Enter 59 as a signal number to be observed at monitoring jack A and press the ENTER key Residual current level detection is verified as follows Apply three phase rated voltage and single phase test current IT 3Io Set IT to l...

Page 258: ... Press 1 Switch on the Test screen to display the switch screen and enter 1 for DOCNC to test the DOCN elements Press 5 Logic circuit on the Test screen to display the Logic circuit screen Enter 360 as a signal number to be observed at monitoring jack A and press the ENTER key Apply single phase rated current Ia and single phase test voltage V Set V to lag Ia by 90 Changing the magnitude of test v...

Page 259: ... MOCI on the Scheme switch screen Setting change sub menu Protection screen Trip screen Scheme switch screen The test procedure is as follows Press 5 Logic circuit on the Test screen to display the Logic circuit screen Enter a signal number to observe the OCI or EFI output at monitoring jack A and press the ENTER key Apply a test current and measure the operating time The magnitude of the test cur...

Page 260: ...the test current should be between 1 2 Is to 10 Is where Is is the current setting CAUTION After the setting of a test current apply the test current after checking that the THM has become 0 on the Metering screen Calculate the theoretical operating time using the characteristic equations shown in Section 2 4 6 Check that the measured operating time is within 5 6 5 1 8Broken conductor detection el...

Page 261: ...5 1 6 Operating Value Test Circuit The output signal of testing element is assigned to the monitoring jack A Overvoltage and undervoltage elements and their output signal number are listed below Element Signal No OVS1 AB OVS2 AB OVG1 A OVG2 A UVS1 AB UVS2 AB UVG1 A UVG2 A 436 439 442 445 454 457 460 463 Enter the signal number to observe the operation at the monitoring jack A as shown in Section 6...

Page 262: ...PH VT is set to Bus the three phase voltage simulates the busbar voltage and the single phase voltage simulates the line voltage If the switch is set to Line the opposite is true Three phase voltage source φ V TB1 12 11 Single phase voltage source DC voltmeter 13 14 15 18 16 17 A16 A17 E TB4 VS1 VS2 GRZ100 DC power supply Monitoring jack A A 0V V Va Vb Vc In case of testing OVL2 UVL2 and SYN2 In c...

Page 263: ...de of the single phase voltage if it is set to Line Measure the value at which the element operates and check that it is within 5 of the setting OVL1 and UVL1 Adjust the magnitude of the single phase voltage if the scheme switch 3PH VT is set to Bus adjust the magnitude of the three phase voltage if the scheme switch 3PH VT is set to Line Measure the value at which the element operates and check t...

Page 264: ... angle is within 5 of the SY1θ setting The default setting of SY1θ is 30 Change Va and Vs1 and repeat the above Synchronism check element SYN2 Apply a single phase rated voltage to terminal 17 and 18 as shown with broken lines in Figure 6 5 1 5 and set the scheme switch 3PH VT to Line The test can be performed taking the same step as testing SYN1 6 5 1 11 Current Change Detection Elements OCD and ...

Page 265: ...s adequate for these tests Change the magnitude of the voltage or current applied and measure the value at which the element operates Check that the measured value is within 5 of the setting Level detectors and their output signal numbers are listed below Measuring element Signal number Remarks OCH A 55 A phase current OC A 94 A phase current EF 60 Residual current EFL 568 Residual current OVG 62 ...

Page 266: ... a n c e l L P r e s s T i m e r Press the ENTER key to operate the timer The TESTING LED turns on and the timer is initiated and the following display appears The input and output signals of the timer can be observed at monitoring jacks A and B respectively The LEDs above monitoring jacks A or B are also lit if the input or the output signal exists Check that the measured time is within 10 ms of ...

Page 267: ... are correct Zone 2 tripping Check that three phase time delayed final tripping is performed for all kinds of faults Faults should be set midway between zone 1 and zone 2 Check that the operating time is 1 1 5 cycle plus zone 2 timer setting Check that the indications and recordings are correct Zone F tripping Check that three phase time delayed final tripping is performed for all kinds of faults ...

Page 268: ... the fault types and setting of autoreclose mode selection switch ARC M Check that the operating time is 1 1 5 cycle or less Check that the indications and recordings are correct PUP tripping Integral digital communication Set the scheme switch SCHEME to PUP Set the T TEST to ON Apply a zone 1 fault Check that instantaneous single phase or three phase tripping is performed depending on the fault t...

Page 269: ...y inputs CB_CONT A B and C signals are assigned to simulate the breaker being open Check that binary output relay EXT CAR S operates when the binary input EXT CAR R1 is energized Apply a reverse zone fault while the binary inputs CB_CONT A B and C are energized and check that the binary output relay EXT CAR S does not operate when the binary input EXT CAR R1 is energized Check that the indications...

Page 270: ...ot occur External communication Set the scheme switch SCHEME to BOP Check that the binary input EXT CAR R1 is de energized Apply a zone 2 fault Check that instantaneous single phase or three phase tripping is performed depending on the fault types and setting of autoreclose mode selection switch ARC M Energize the binary input EXT CAR R1 to simulate trip block signal reception and apply a zone 2 f...

Page 271: ...ree phase rated voltage and current Gradually lower the voltage to zero keeping the voltage and current sources in phase Then gradually raise the voltage from zero to the rated value while keeping the phase angle of voltage and current in anti phase During this process keep the current at the rated value Check that out of step tripping takes places at monitoring jack A Check that out of step tripp...

Page 272: ...A line to observe the power swing blocking signal at monitoring jack A and press the ENTER key Apply a phase fault which is set to midway between PSBSIN and PSBSOUT Check that the signal is generated with a delay of TPSB setting after the PSBSOUT operates The PSBSOUT operating time will be 1 2 cycles Reset the fault and check that the monitoring signal resets with a 500ms delay after PSBSOUT reset...

Page 273: ...tection schemes The LCD display only shows the date and time when a disturbance is recorded Open the Disturbance records screen and check that the descriptions are correct Details can be displayed on the PC Check that the descriptions on the PC are correct For details on how to obtain disturbance records on the PC see the RSM100 Manual 6 5 5 Fault Locator In the fault locator tests a dynamic test ...

Page 274: ...hase is leading to the reference angle The sign of the power flow direction can be set positive for either power sending or power receiving The default setting is power sending Check that the phase rotation is correct Verify the phase relationship between the voltage and current with the known load current direction 6 6 2 Signaling Circuit Test This test is performed when a command protection usin...

Page 275: ...mmunication equipment to the relay is checked with the Binary input output screen on the LCD as follows Note The receive signal is assigned to any of the binary inputs by the user setting The following description is the case of BI4 and BI5 assigned Display the Binary I O screen from the Status sub menu Position BI4 indicates a receive signal status Position BI5 indicates the status of the guard s...

Page 276: ... the IO 1 module then the LCD displays the screen shown below 3 B O 0 D i s a b l e 1 E n a b l e 1 3 I O T P 0 I O 0 I O 0 B 1 T P A 1 T P C 1 1 1 1 TP A1 B1 and C1 are output relays with one normally open contact and trip the A phase B phase and C phase circuit breakers Enter 1 for TP A1 and press the ENTER key Press the END key Then the LCD displays the screen shown below 3 B O K e e p p r e s ...

Page 277: ... 2 I O 0 F A I L I O 0 B O 1 3 2 2 2 2 2 2 2 2 Note Terminal block number depends on the relay model So see Appendix G for details Move the cursor by pressing the key and select BO10 BO10 is an autoreclose command output relay with one normally open contact Enter 1 and press the ENTER key Press the END key Then the LCD displays the screen shown below 3 B O p r e s s K e e p t o o p e r a t e C A N...

Page 278: ...fault setting Failures detected by supervision are traced by checking the Auto supervision screen on the LCD If any messages are shown on the LCD the failed module or failed external circuits can be located by referring to the Table 6 7 1 This table shows the relationship between message displayed on the LCD and estimated failure location The location marked with 1 has a higher probability than th...

Page 279: ...r 2 1 1 1 1 1 1 RSM err 2 1 DS fail 2 2 1 Ch 1fail Ch 2fail 2 1 Com 1 fail fail R Com 2 fail fail R 2 1 Sync 1 fail Sync 2 fail 2 1 TX level1 err TX level2 err 2 1 RX level1 err RX level2 err 2 1 CLK1 fail CLK2 fail 2 1 Td1 err Td2 err 2 1 Term1 rdy off Term2 rdy off RYID1 err RYID2 err VT fail 2 1 No working of LCD 2 1 The location marked with 1 has a higher probability than the location marked w...

Page 280: ...te When a failure or an abnormality is detected during the regular test confirm the following first Test circuit connections are correct Modules are securely inserted in position Correct DC power voltage is applied Correct AC inputs are applied Test procedures comply with those stated in the manual 6 7 3 Replacing Failed Modules If the failure is identified to be in the relay module and the user h...

Page 281: ...he front panel by pushing the catch outside Remove the two retaining screws and one earthing screw on the relay case side then detach the front panel from the relay case Attach the replacement module in the reverse procedure Replacing the Transformer Module Open the right side front panel HMI module by unscrewing the two binding screws located on the left side of the panel Open the left side front...

Page 282: ...eplacing the failed module or repairing failed external circuits take the following procedures to restore the relay to service Switch on the DC power supply and confirm that the IN SERVICE green LED is lit and the ALARM red LED is not lit Note Supply DC power after checking that all the modules are in their original positions and the ribbon cables are plugged in If the telecommunication circuit wa...

Page 283: ...rded during the tests Reset the counter figures of automatic test and autoreclose if necessary For resetting the count see Section 4 2 3 4 and 4 2 3 5 Press the VIEW key and check that no failure message is displayed on the Auto supervision screen Check that the green IN SERVICE LED is lit and no other LEDs are lit on the front panel Whilst the relay is put into service at one terminal by supplyin...

Page 284: ... 283 6 F 2 S 0 8 3 4 Appendix A Block Diagram w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 285: ... PSB scheme logic VTF scheme logic Related CB Trip Command Signal Send t 0 t 0 t 0 t 0 1 1 OST scheme logic OCH OCBF OVG UVF OCD PSB OST UVL DEF Back up Trip OC Back up Trip TDEF t 0 TDER t 0 Directional control 1 Signal receive 1 t 0 t 0 t 0 t 0 DEFF DEFR OCI EFI TOC t 0 t 0 OC 1 0 ZR1G t TZR1G 0 ZR2G t TZR2G 0 ZNDG t TZNDG TZR1S t 0 t 0 ZR1S TZR2S t 0 t 0 ZR2S TZNDS t 0 t 0 ZNDS Z4G Z4S THR THR ...

Page 286: ...ogic PSB scheme logic VTF scheme logic Related CB Trip Command Signal Send t 0 t 0 t 0 t 0 1 1 OST scheme logic OCH OCBF OVG UVF OCD PSB OST UVL DEF Back up Trip OC Back up Trip TDEF t 0 TDER t 0 Directional control 1 Signal receive 1 t 0 t 0 t 0 t 0 DEFF DEFR OCI EFI TOC t 0 t 0 OC 1 0 ZR1G t TZR1G 0 ZR2G t TZR2G 0 ZNDG t TZNDG TZR1S t 0 t 0 ZR1S TZR2S t 0 t 0 ZR2S TZNDS t 0 t 0 ZNDS Z4G Z4S THR ...

Page 287: ...scheme logic Related CB Trip Command Signal Send t 0 t 0 t 0 t 0 1 1 OST scheme logic OCH OCBF OVG UVF OCD PSB OST UVL DEF Back up Trip OC Back up Trip TDEF t 0 TDER t 0 Directional control 1 Signal receive 1 t 0 t 0 t 0 t 0 DEFF DEFR OCI EFI TOC t 0 t 0 OC 1 0 ZR1G t TZR1G 0 ZR2G t TZR2G 0 ZNDG t TZNDG TZR1S t 0 t 0 ZR1S TZR2S t 0 t 0 ZR2S TZNDS t 0 t 0 ZNDS Z4G Z4S THR THR Trip Center CB Reclose...

Page 288: ... 287 6 F 2 S 0 8 3 4 Appendix B Signal List w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 289: ...0 Z2S AB PHASE FAULT RELAY Z2S 41 Z2S BC ditto 42 Z2S CA ditto 43 Z3S AB PHASE FAULT RELAY Z3S 44 Z3S BC ditto 45 Z3S CA ditto 46 Z4S AB PHASE FAULT RELAY Z4S 47 Z4S BC ditto 48 Z4S CA ditto 49 PSBSOUT AB POWER SWING BLOCK for ZS OUTER ELEMENT 50 PSBSOUT BC ditto 51 PSBSOUT CA ditto 52 OCCR A OC RELAY FOR LINE VT 53 OCCR B ditto 54 OCCR C ditto 55 OCH A HIGH SET OC RELAY 56 OCH B ditto 57 OCH C di...

Page 290: ...Z1G AX 104 Z1G BX Z1G BX 105 Z1G CX Z1G CX 106 Z1XG AX Z1XG AX 107 Z1XG BX Z1XG BX 108 Z1XG CX Z1XG CX 109 Z2G AX Z2G AX 110 Z2G BX Z2G BX 111 Z2G CX Z2G CX 112 Z3G AX Z3G AX 113 Z3G BX Z3G BX 114 Z3G CX Z3G CX 115 Z4G AX Z4G AX 116 Z4G BX Z4G BX 117 Z4G CX Z4G CX 118 Z1S ABX Z1S ABX 119 Z1S BCX Z1S BCX 120 Z1S CAX Z1S CAX 121 Z1XS ABX Z1XS ABX 122 Z1XS BCX Z1XS BCX 123 Z1XS CAX Z1XS CAX 124 Z2S A...

Page 291: ...AY 179 PSB Z2 PSB FOR ZONE2 RELAY 180 PSB Z3 PSB FOR ZONE3 RELAY 181 PSB CR PSB FOR CARRIER TRIP 182 STUB TRIP STUB TRIP 183 SOTF TRIP SOTF TRIP 184 EFI TRIP EF IDMT TRIP 185 EF ALARM EF BACK UP TRIP ALARM 186 DEF ALARM DEF BACK UP TRIP ALARM 187 EF BU TRIP EF or DEF BACK UP TRIP 188 TZ4S Z4S BACK UP TRIP TIMER 189 ZR1S TRIP ZR1S TRIP 190 ZR1SOR ZR1S RELAY OR LOGIC 191 TZ4G Z4G BACK UP TRIP TIMER ...

Page 292: ... ditto 242 TRIP C1 ditto 243 TRIP A2 TRIP O P FOR CENTER CB 244 TRIP B2 ditto 245 TRIP C2 ditto 246 FDX1 FD OUTPUT 1 OPTION 247 FDX2 FD OUTPUT 2 OPTION 248 M OR MAIN TRIP OR 249 M AND MAIN TRIP AND 250 FD FD TRIP OR 251 FD AND FD TRIP AND 252 SBT CARRIER SEND FOR TEST MONITOR 253 CHF CARRIER CHANNEL FAILURE 254 RLYFAIL RELAY FAILURE 255 RLY O P BLK RELAY OUTPUT BLOCK 256 SV LOCK SV BLOCK 257 LSSV ...

Page 293: ...09 TRIP H TRIP SIGNAL HOLD 310 SBT INV CARRIER SEND FOR TEST MONITOR 311 BFS AB BLINDER FOR ZS FORWARD 312 BFS BC ditto 313 BFS CA ditto 314 BRS AB BLINDER FOR ZS REVERSE 315 BRS BC ditto 316 BRS CA ditto 317 BFG A BLINDER FOR ZG FORWARD 318 BFG B ditto 319 BFG C ditto 320 BRG A BLINDER FOR ZG REVERSE 321 BRG B ditto 322 BRG C ditto 323 PSBSIN AB POWER SWING BLOCK FOR ZS INNER ELEMENT 324 PSBSIN B...

Page 294: ...78 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 OVL ABC OVL element output for 3phase line voltage 394 OVL A OVL A element output for 3phase line voltage 395 OVL B OVL B element output for 3phase line voltage 396 OVL C OVL C element output for 3phase line voltage 397 3PLL Three phase live line element output 398 399 400 401 OCMF L1 MULTI STEP OC RELAY LEVEL 1 402 OCMF L2 ditto LEVEL...

Page 295: ...put 457 UVS2 AB UVS2 AB relay element output 458 UVS2 BC UVS2 BC relay element output 459 UVS2 CA UVS2 CA relay element output 460 UVG1 A UVG1 A relay element output 461 UVG1 B UVG1 B relay element output 462 UVG1 C UVG1 C relay element output 463 UVG2 A UVG2 A relay element output 464 UVG2 B UVG2 B relay element output 465 UVG2 C UVG2 C relay element output 466 UVS1 AB INST UVS1 AB relay element ...

Page 296: ...ut signal BI13 526 BI14 COMMAND Binary input signal BI14 527 BI15 COMMAND Binary input signal BI15 528 BI16 COMMAND Binary input signal BI16 529 BI17 COMMAND Binary input signal BI17 530 BI18 COMMAND Binary input signal BI18 531 BI19 COMMAND Binary input signal BI19 532 BI20 COMMAND Binary input signal BI20 533 BI21 COMMAND Binary input signal BI21 534 BI22 COMMAND Binary input signal BI22 535 BI2...

Page 297: ...0 601 602 603 604 605 606 607 608 609 ZR1S ABX ZR1S ABX 610 ZR1S BCX ZR1S BCX 611 ZR1S CAX ZR1S CAX 612 EXT CAR R2 CARRIER RECEIVE FROM REMOTE TERM 2 613 OC TRIP A OC trip signal A Phase 614 OC TRIP B OC trip signal B Phase 615 OC TRIP C OC trip signal C Phase 616 OCI TRIP A OCI trip signal A Phase 617 OCI TRIP B OCI trip signal B Phase 618 OCI TRIP C OCI trip signal C Phase 619 C R DISECHO Distan...

Page 298: ...GIC 665 ZR2SOR ZR2S RELAY OR LOGIC 666 ZNDG AX ZNDG AX 667 ZNDG BX ZNDG BX 668 ZNDG CX ZNDG CX 669 ZNDS ABX ZNDS ABX 670 ZNDS BCX ZNDS BCX 671 ZNDS CAX ZNDS CAX 672 ZNDG TRIP ZNDG TRIP 673 ZNDG A TRIP ZNDG TRIP A ph 674 ZNDG B TRIP ZNDG TRIP B ph 675 ZNDG C TRIP ZNDG TRIP C ph 676 ZNDS TRIP ZNDS TRIP 677 DEF TRIP DEF BACK UP TRIP 678 EF TRIP EF BACK UP TRIP 679 STUB A TRIP Stub TRIP A ph 680 STUB ...

Page 299: ...POTT UNBLOCK LOCAL TRIP B ph 736 POUP TRIP C POTT UNBLOCK LOCAL TRIP C ph 737 REV BLK A CARRIER SEND FOR BLOCK ZG A ph 738 REV BLK B CARRIER SEND FOR BLOCK ZG B ph 739 REV BLK C CARRIER SEND FOR BLOCK ZG C ph 740 REV BLK S CARRIER SEND FOR BLOCK ZS 741 C R BOP A CARRIER SEND FOR BLOCKING ZG A ph 742 C R BOP B CARRIER SEND FOR BLOCKING ZG B ph 743 C R BOP C CARRIER SEND FOR BLOCKING ZG C ph 744 C R...

Page 300: ...STANCE CARRIER SEND COMMAND ZG B ph 802 C R SEND C DISTANCE CARRIER SEND COMMAND ZG C ph 803 C R SEND S DISTANCE CARRIER SEND COMMAND ZS 804 C R SEND DEFA DG CARRIER SEND COMMAND A ph 805 C R SEND DEFB DG CARRIER SEND COMMAND B ph 806 C R SEND DEFC DG CARRIER SEND COMMAND C ph 807 808 809 810 811 812 C R SEND PSBA PSBTP CARRIER SEND COMMAND A ph 813 C R SEND PSBB PSBTP CARRIER SEND COMMAND B ph 81...

Page 301: ...ode condition 885 886 887 888 MASTER Being set to master terminal 889 SLAVE Being set to slave terminal 890 CH1 DATA USE CH1 comm data using 891 CH2 DATA USE CH2 comm data using 892 893 894 895 896 REM1 READY Remote term 1 ready condition 897 CF1 Remote term 1 comm fail 898 SPF1 Remote term 1 SP sync fail 899 900 COMM1 FAIL Remote term 1 Comm fail alarm 902 903 906 907 901 READY1 Remote term 1 Rea...

Page 302: ...Severe CF detection 945 CH2 CAN CODE Ch2 cancel code receiving for Severe CF detection 946 CH2 CF R1 Remote term 1 Ch2 comm fail for Severe CF detection 947 CH2 CAN R1 Remote term 1 Ch2 cancel code for Severe CF detection 948 949 OVS1 TRIP OVS1 TRIP 950 OVS1 AB TRIP OVS1 AB TRIP 951 OVS1 BC TRIP OVS1 BC TRIP 952 OVS1 CA TRIP OVS1 CA TRIP 953 OVS2 ALARM OVS2 ALARM 954 OVS2 AB ALM OVS2 AB ALARM 955 ...

Page 303: ...ST UVG1 C relay element delayed reset 993 OV UV_TRIP OV UV trip 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 FAULT_PHA_A fault_phase_A 1041 FAULT_PHA_B fault_phase_B 1042 FAULT_PHA_C fault_phase_C 1043 FAULT_PHA_N fa...

Page 304: ...ditto 1097 COM10 R1 ditto 1098 COM11 R1 ditto 1099 COM12 R1 ditto 1100 COM13 R1 ditto 1101 COM14 R1 ditto 1102 1103 1104 COM1 R1_UF Comm data receive signal from remote term 1 unfiltered 1105 COM2 R1_UF ditto 1106 COM3 R1_UF ditto 1107 COM4 R1_UF ditto 1108 COM5 R1_UF ditto 1109 COM6 R1_UF ditto 1110 COM7 R1_UF ditto 1111 COM8 R1_UF ditto 1112 COM9 R1_UF ditto 1113 COM10 R1_UF ditto 1114 COM11 R1_...

Page 305: ... 1151 1152 COM1 R2_UF Comm data receive signal from remote term 2 unfiltered 1153 COM2 R2_UF ditto 1154 COM3 R2_UF ditto 1155 COM4 R2_UF ditto 1156 COM5 R2_UF ditto 1157 COM6 R2_UF ditto 1158 COM7 R2_UF ditto 1159 COM8 R2_UF ditto 1160 COM9 R2_UF ditto 1161 COM10 R2_UF ditto 1162 COM11 R2_UF ditto 1163 COM12 R2_UF ditto 1164 COM13 R2_UF ditto 1165 COM14 R2_UF ditto 1166 1167 1168 SUB_COM1 R2 Sub c...

Page 306: ...cked 1242 IEC_TESTMODE IEC61870 5 103 testmode 1243 GROUP1_ACTIVE group1 active 1244 GROUP2_ACTIVE group2 active 1245 GROUP3_ACTIVE group3 active 1246 GROUP4_ACTIVE group4 active 1247 GROUP5_ACTIVE group5 active 1248 GROUP6_ACTIVE group6 active 1249 GROUP7_ACTIVE group7 active 1250 GROUP8_ACTIVE group8 active 1251 RLY_FAIL RELAY FAILURE 1252 RLY_OP_BLK RELAY OUTPUT BLOCK 1253 AMF_OFF SV BLOCK 1254...

Page 307: ...nal BI4 unfiltered 1288 BI5_COM_UF Binary input signal BI5 unfiltered 1289 BI6_COM_UF Binary input signal BI6 unfiltered 1290 BI7_COM_UF Binary input signal BI7 unfiltered 1291 BI8_COM_UF Binary input signal BI8 unfiltered 1292 BI9_COM_UF Binary input signal BI9 unfiltered 1293 BI10_COM_UF Binary input signal BI10 unfiltered 1294 BI11_COM_UF Binary input signal BI11 unfiltered 1295 BI12_COM_UF Bin...

Page 308: ...350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 Contents No Signal Name w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 309: ... 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 F Record_DONE fault location completed 1435 F Record_CLR Fault record clear 1436 E Record_CLR Event record clear 1437 D Record_CLR Disturbance record clear 1438 Data_Lost Data clear by BU RAM memory monitoring error 1439 1440 1441 1442 1443 1444 1445 PLC_data_CHG PLC data change 1446 1447 1448 Sys set_change System setting change 14...

Page 310: ...RAMerr1 DP RAMmemorymonitoring error 1490 1491 COM_SUM_err 1492 1493 COM_SRAM_err 1494 COM_DPRAMerr2 1495 COM_A D_err 1496 COM_IRQ_err 1497 Sync1_fail 1498 Sync2_fail 1499 Com1_fail 1500 Com2_fail 1501 Com1_fail R 1502 Com2_fail R 1503 CLK1_fail 1504 CLK2_fail 1505 Term1_rdy_off 1506 Term2_rdy_off 1507 TX_level1_err 1508 TX_level2_err 1509 RX_level1_err 1510 RX_level2_err 1511 Td1_over 1512 Td2_ov...

Page 311: ...A External trip comand A Phase 1557 EXT_TRIP B B phase 1558 EXT_TRIP C C phase 1559 1560 EXT_CBFIN A External CBF initiation command A Phase 1561 EXT_CBFIN B B Phase 1562 EXT_CBFIN C C Phase 1563 1564 1565 1566 1567 1568 EXT_CAR R1 1 Trip carrier from remote terminal 1 1569 EXT_CAR R1 2 Guard And carrier from remote terminal 1 1570 OPEN_TERM R1 Remote terminal 1 out of service command 1571 SEVERE_...

Page 312: ...1XS_BLOCK Z1XS trip block command 1634 Z2S_BLOCK Z2S trip block command 1635 Z3S_BLOCK Z3S trip block command 1636 ZR1S_BLOCK ZR1S trip block command 1637 ZFS_BLOCK ZFS trip block command 1638 ZR2G_BLOCK ZR2G trip block command 1639 ZR2S_BLOCK ZR2S trip block command 1640 CBF_BLOCK CBF trip block command 1641 EXTTP_BLOCK External trip block command 1642 VTF_BLOCK VTF monitoering block command 1643...

Page 313: ...1705 DEF_INST_TP DEF instantly trip command 1706 1707 DEFR_INST_TP DEF instantly trip command 1708 ZR2_INST_TP ZR2 instantly trip command 1709 ZND_INST_TP ZND instantly trip command 1710 1711 1712 Z1_3PTP Z1 3 phase trip command 1713 Z1X_3PTP Z1X 3 phase trip command 1714 Z2_3PTP Z2 3 phase trip command 1715 1716 OC_3PTP OC 3 phase trip command 1717 OCI_3PTP OCI 3 phase trip command 1718 1719 1720...

Page 314: ...770 1771 1772 PSBCAR A R2 PSBTP carrier command from remote term 2 1773 PSBCAR B R2 ditto 1774 PSBCAR C R2 ditto 1775 1776 TR1 A R2 Transfer trip 1 command from remote term 2 1777 TR1 B R2 ditto 1778 TR1 C R2 ditto 1779 1780 TR2 A R2 Transfer trip 2 command from remote term 2 1781 TR2 B R2 ditto 1782 TR2 C R2 ditto 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 IO 1 TP A1 Binary output signal o...

Page 315: ...m ent 1833 SPR F2 REQ Follower SPAR requirem ent 1834 TPR F2 REQ Follower TPAR requirem ent 1835 1836 1837 1838 ARC L_TERM Leader term inal of Autoreclosing 1839 ARC F_TERM Follower term inal of Autoreclos ing 1840 1841 1842 1843 1844 1845 1846 1847 1848 BCD_BLOCK BCD trip block com m and 1849 DEFF_BLOCK DEFF trip block com m and 1850 1851 DEFR_BLOCK DEFR trip block com m and 1852 1853 1854 1855 1...

Page 316: ...COM11 S ditto 2059 COM12 S ditto 2060 COM13 S ditto 2061 COM14 S ditto 2062 2063 2064 SUB_COM1 S Sub communication on off data send command 2065 SUB_COM2 S ditto 2066 SUB_COM3 S ditto 2067 SUB_COM4 S ditto 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106...

Page 317: ... stored command 3 2627 F RECORD4 Fault record stored command 4 2628 2629 2630 2631 2632 D RECORD1 Disturbance record stored command 1 2633 D RECORD2 Disturbance record stored command 2 2634 D RECORD3 Disturbance record stored command 3 2635 D RECORD4 Disturbance record stored command 4 2636 2637 2638 2639 2640 SET GROUP1 Active setting group changed commamd Change to group1 2641 SET GROUP2 2 2642 ...

Page 318: ... 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 ARC_COM_RECV Auto recloser inactivate command received 2685 TELE_COM_RECV Teleprotection inactivate command received 2686 PROT_COM_RECV protection inactivate command received 2687 2688 TPLED_RST_RCV TRIP LED RESET command received 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 271...

Page 319: ...P012 2828 TEMP013 2829 TEMP014 2830 TEMP015 2831 TEMP016 2832 TEMP017 2833 TEMP018 2834 TEMP019 2835 TEMP020 2836 TEMP021 2837 TEMP022 2838 TEMP023 2839 TEMP024 2840 TEMP025 2841 TEMP026 2842 TEMP027 2843 TEMP028 2844 TEMP029 2845 TEMP030 2846 TEMP031 2847 TEMP032 2848 TEMP033 2849 TEMP034 2850 TEMP035 2851 TEMP036 2852 TEMP037 2853 TEMP038 2854 TEMP039 2855 TEMP040 2856 TEMP041 2857 TEMP042 2858 ...

Page 320: ... 2890 TEMP075 2891 TEMP076 2892 TEMP077 2893 TEMP078 2894 TEMP079 2895 TEMP080 2896 TEMP081 2897 TEMP082 2898 TEMP083 2899 TEMP084 2900 TEMP085 2901 TEMP086 2902 TEMP087 2903 TEMP088 2904 TEMP089 2905 TEMP090 2906 TEMP091 2907 TEMP092 2908 TEMP093 2909 TEMP094 2910 TEMP095 2911 TEMP096 2912 TEMP097 2913 TEMP098 2914 TEMP099 2915 TEMP100 2916 TEMP101 2917 TEMP102 2918 TEMP103 2919 TEMP104 2920 TEMP...

Page 321: ... 2960 TEMP145 2961 TEMP146 2962 TEMP147 2963 TEMP148 2964 TEMP149 2965 TEMP150 2966 TEMP151 2967 TEMP152 2968 TEMP153 2969 TEMP154 2970 TEMP155 2971 TEMP156 2972 TEMP157 2973 TEMP158 2974 TEMP159 2975 TEMP160 2976 TEMP161 2977 TEMP162 2978 TEMP163 2979 TEMP164 2980 TEMP165 2981 TEMP166 2982 TEMP167 2983 TEMP168 2984 TEMP169 2985 TEMP170 2986 TEMP171 2987 TEMP172 2988 TEMP173 2989 TEMP174 2990 TEMP...

Page 322: ...EMP215 3031 TEMP216 3032 TEMP217 3033 TEMP218 3034 TEMP219 3035 TEMP220 3036 TEMP221 3037 TEMP222 3038 TEMP223 3039 TEMP224 3040 TEMP225 3041 TEMP226 3042 TEMP227 3043 TEMP228 3044 TEMP229 3045 TEMP230 3046 TEMP231 3047 TEMP232 3048 TEMP233 3049 TEMP234 3050 TEMP235 3051 TEMP236 3052 TEMP237 3053 TEMP238 3054 TEMP239 3055 TEMP240 3056 TEMP241 3057 TEMP242 3058 TEMP243 3059 TEMP244 3060 TEMP245 306...

Page 323: ... 322 6 F 2 S 0 8 3 4 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 324: ... 323 6 F 2 S 0 8 3 4 Appendix C Variable Timer List w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 325: ...ARR COORDINATION DEFR TIMER CARRIER COORDINATION TIMER EVOLVING FAULT WAITING TIMER RECLAIM TIMER SPAR DEAD LINE TIMER TPAR DEAD LINE TIMER RESET TIMER RECLOSING O P FOR BUS CB FLW RECLAIM TIMER FLW SPAR DEAD LINE TIMER FLW TPAR DEAD LINE TIMER FLW RESET TIMER RECLOSING O P FOR CENTER CB LEAD SYN CHECK TIMER FLW SYN CHECK TIMER VOLTAGE CHECK TIMER ditto ditto ditto MULTI SHOT DEAD TIMER ditto ditt...

Page 326: ... 325 6 F 2 S 0 8 3 4 Appendix D Binary Input Output Default Setting List w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 327: ... BI10 IND RESET CB1 READY BI11 PROT BLCOK SPARE CB2 READY BI12 Z1X INIT REC BLOCK BI13 IND RESET BI14 M prot Trip BI15 M prot On BI16 EXT TRIP A BI17 EXT TRIP B BI18 EXT TRIP C BI19 OCI BLOCK CB2 A BI20 EFI BLOCK CB2 B BI21 OC BLOCK CB2 C BI22 DEF BLOCK BI23 EXTTP BLOCK BI24 STUB BLOCK BI25 SOTF BLOCK BI26 ARC BLOCK ARC BLOCK BI27 CB1 READY CB1 READY BI28 CBF BLOCK CBF BLOCK BI34 SPARE SPARE SPARE...

Page 328: ...AIL Trip A phase Trip B phase Trip C phase Trip A phase Trip B phase Trip C phase Trip A phase Trip B phase Trip C phase Remote term 1 comm fail alarm 240 241 242 240 241 242 240 241 242 900 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 GRZ100 214 IO 2 BO1 BO2 BO3 BO4 BO5 BO6 BO7 BO8 BO9 BO10 BO11 BO12 BO13 TB3 A2 A1 A2 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 B7 A8 B8 A9 B9 A10 B10 A11 B11 A13 B13 Z1G_TRIP ...

Page 329: ...O9 BO10 TB5 A1 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 B7 A8 B8 A9 B9 A10 B10 TRIP OR Z2GOR Z3GOR Z2SO R Z3SOR OCI_TRIP EFI_TRIP OC_TRIP DEF_TRIP ARC1 ARC1 BU_TRIP IN PROG1 TRIP O P OR Z2G Z3G Z2S Z3S Relay OR LOGIC IDMT OC Back up trip EF IDMT trip OC Back up trip DEF Back up trip Reclose output Reclose output Back up trip Lead reclose in progress 238 154 157 163 166 327 184 326 677 291 291 194 285 1...

Page 330: ...hase Trip B phase Trip C phase Trip A phase Trip B phase Trip C phase Remote term 1 comm fail alarm 240 243 241 244 242 245 240 243 241 244 242 245 240 243 241 244 242 245 900 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 GRZ100 221 IO 2 BO1 BO2 BO3 BO4 BO5 BO6 BO7 BO8 BO9 BO10 BO11 BO12 BO13 TB3 A2 A1 A2 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 B7 A8 B8 A9 B9 A10 B10 A11 B11 A13 B13 TRIP A1 TRIP B1 TRIP C1 ...

Page 331: ...OR Z2SOR VTF_ALARM EF_TRIP STUB_TRIP SOTF_TRIP COMM1 COMM2_FAIL TR1_TRIP TR2_TRIP INTER_TRIP1 2 Z1G TRIP Z1S TRIP Z2G TRIP Z2S TRIP Z3G TRIP Z3S TRIP TRIP O P OR BACK UP TRIP TRIP O P OR Z2G Z2S Relay OR LOGIC VTF ALARM EF BACK UP TRIP STUB TRIP SOTF TRIP Remote term 1 2 comm fail alarm TRANSFER TRIP 1 2 INTER TRIP 1 2 148 160 153 162 156 165 238 194 238 154 163 172 678 182 183 900 916 832 840 836...

Page 332: ...eclose output Center CB VTF alarm Carrier channel failure External carrier send command 240 243 241 244 242 245 231 148 160 153 156 192 162 165 189 187 183 182 195 200 291 292 172 253 225 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 0 FAIL A12 B12 RELAY FAILURE IO 3 BO1 BO2 BO3 BO4 BO5 BO6 BO7 BO8 BO9 BO10 TB2 A1 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 B7 A8 B8 A9 B9 A10 B10 TRIP A1 TRIP A2 TRIP ...

Page 333: ...14 TB5 A2 A1 A2 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 B7 A8 B8 A9 B9 A10 B10 A11 B11 A12 B12 A13 B13 TRIP A1 TRIP B1 TRIP C1 TRIP A1 TRIP B1 TRIP C1 TRIP A1 TRIP B1 TRIP C1 TRIP A1 TRIP B1 TRIP C1 TRIP OR COMM1 COMM2_FAIL Trip A phase Trip B phase Trip C phase Trip A phase Trip B phase Trip C phase Trip A phase Trip B phase Trip C phase Trip A phase Trip B phase Trip C phase TRIP O P OR Remote term ...

Page 334: ... 333 6 F 2 S 0 8 3 4 Appendix E Details of Relay Menu and LCD Button Operation w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 335: ...cord Clear all disturbance records ENTER Yes CANCEL No 3 Telecomm channel test 1 Display count interval 2 Reset count 2 Event record 1 Display 2 Clear 3 Event record 2 48 16 Oct 1998 23 18 04 294 Trip Off 16 Oct 1998 23 18 03 913 Trip On 12 Feb 1998 03 51 37 622 Rly set change 2 Disturbance record 1 Display 2 Clear 3 Disturbance record 1 11 1 16 Oct 1998 23 18 03 913 2 12 Feb 1998 03 51 37 622 3 3...

Page 336: ...ecord 4 Automatic test interval 3 Disturbance record 1 Record time starter 2 Scheme switch 3 Binary signal 4 Signal name 4 Record time starter 2 3 Time 3 0 s OCP S 50 0 A OCP G 50 0 A UVP S 0 V UVP G 0 V 4 Scheme swith 1 5 TRIP 0 Off 1 On 1 OCP S 0 Off 1 On 1 OCP G 0 Off 1 On 1 3 Automatic test interval 1 1 Chann 6 hrs 2 Status 1 Metering 2 Time Synchronization 3 Time zone 3 Time synchronization 0...

Page 337: ...S 0 01 Ω Z2S 0 01 Ω Z3S 1 0 Ω 6 PSB OST 3 5 PSBSZ 0 50 Ω PSBGZ 0 50 Ω TPSB 40 ms OSTR1 1 0 Ω OSTR2 1 0 Ω OSTXF 0 2 Ω 6 Command trip 2 2 TDEFF 0 00 s TDEFR 0 00 s TCHD 12 ms 4 Autoreclose Group 1 1 Autoreclose mode 2 Scheme switch 3 Autoreclose element 5 Scheme switch 3 8 ARC CB 1 ONE 2 01 3 03 4 L1 5 L2 1 ARC EXT 0 Off 1 On 0 ARC DEF 0 Off 1 On 1 5 Autoreclose element Group 1 1 Autoreclose timer 2...

Page 338: ...utput 1 IO 2 2 IO 3 3 IO 4 2 Binary input 3 18 BISW1 1 Norm Inv 1 BISW2 1 Norm Inv 1 BISW3 1 Norm Inv 1 3 Binary output IO 2 3 12 BO1 1 2 3 4 5 6 AND D BO2 1 2 3 4 5 6 OR BO3 1 2 3 4 5 6 OR D 2 LED 2 4 LED1 1 309 0 0 AND I LED2 0 0 0 0 OR I LED3 15 16 17 0 OR L 3 Binary output IO 4 3 12 BO1 1 2 3 4 5 6 AND D BO2 1 2 3 4 5 6 OR BO3 1 2 3 4 5 6 OR D Confirmation trap Password trap Password Input pas...

Page 339: ... 10 0 2 0 _ A TSOTF 0 300 5 s OCBF 0 5 10 0 0 5 A 7 Distance 1 Z1S 0 01 50 00 0 01 _ Ω Z1XS 0 01 50 00 0 01 Ω Z1Sθ1 0 45 0 deg 7 PSB OST 1 9 PSBSZ 0 50 15 00 0 50 _ Ω PSBGZ 0 50 15 00 0 50 Ω TPSB 20 60 40 ms 7 Command trip 1 7 TDEFF 0 00 0 30 0 00 _ s TDEFR 0 00 0 30 0 00 s TCHD 0 50 12 ms 2 Status 1 Metering 2 Time Synchronization 3 Time zone 3 Time synchronization 0 Off 1 IRIG 2 RSM 3 IEC 4 RMT ...

Page 340: ...se timer 2 Synchrocheck 6 Autoreclose mode 1 Disable 2 SPAR 3 TPAR 4 SPAR TPAR 5 EXT1P 6 EXT3P Current No 4 Select No _ 3 Copy groupA to B Active group 1 A 1 8 _ B 1 8 4 Protection Group 8 1 Line parameters 2 Trip 3 Autoreclose 4 Protection Group 2 1 Line parameter 2 Trip 3 Autoreclose 2 Binary output 1 IO 2 2 IO 3 3 IO 4 4 Setting BO 1 of IO 2 1 Logic gate type delay timer 2 Input to logic gate 4...

Page 341: ... IO 2 3 IO 3 4 IO 4 2 Manual test Telecom channel testing Completed 3 BO 0 Disable 1 Enable 1 3 IO 1 TP A1 1 _ IO 1 TP B1 1 IO 1 TP C1 1 3 BO Keep pressing 1 to operate Press CANCEL to cancel 2 Timer 1 1 Press ENTER to operate Press CANCEL to cancel 2 Timer 1 1 Operating Press END to reset Press CANCEL to cancel 2 Logic circuit 1 2 TermA 0 3071 12 _ TermB 0 3071 48 3 BO 0 Disable 1 Enable 1 14 IO ...

Page 342: ...IC TEST 2 STATUS 1 METERING 2 BINARY INPUT OUTPUT 3 RELAY ELELMENT 4 TIME SYNC SOURCE 5 CLOCK ADJUSTMENT 3 SETTING VIEW 1 RELAY VERSION 2 DESCRIPTION 3 COMMUNICATION 4 RECORD 5 STATUS 6 PROTECTION 7 BINARY INPUT 8 BINARY OUTPUT 9 LED 5 TEST 1 SWITCH 3 BINARY OUTPUT 4 TIMER 5 LOGIC CIRCUIT 1 PRESS ARROW KEY TO MOVE TO EACH DISPLAYED ITEMS 2 PRESS END KEY TO BACK TO PREVIOUS SCREEN LATEST FAULT AND ...

Page 343: ... 342 6 F 2 S 0 8 3 4 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 344: ... 343 6 F 2 S 0 8 3 4 Appendix F Case Outline Case Type A Flush Mount Type Case Type B Flush Mount Type Case Type A B Rack Mount Type w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 345: ...View Terminal Block Case Type A Flush Mount Type for Model 211 214 221 224 311 321 34 75 190 5 260 6 2 235 4 223 4 φ5 5 266 254 TB1 1 2 19 20 TB3 TB4 TB2 A1 B1 A1 B1 A10 B10 A18 B18 TB2 TB4 M3 5 Ring terminal TB1 M3 5 Ring terminal E 276 2 2 32 28 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 346: ...ew Terminal Block Case Type B Flush Mount Type for Model 216 226 323 266 364 34 75 190 5 260 6 2 345 4 333 4 φ5 5 Optical interface TB2 TB5 M3 5 Ring terminal TB1 M3 5 Ring terminal TB1 1 2 19 20 TB2 TB5 A1 B1 A18 B18 276 2 2 32 28 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 347: ...0 115 120V Front View Rack Mount Type Case Type A for Model 211 214 221 224 311 321 279 Attachment kit large bracket Attachment kit small bracket Attachment kit top bar 4 HOLES 6 8x10 3 465 1 483 0 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 348: ...nt View Rack Mount Case Type B for Model 216 226 323 279 Attachment kit large bracket Attachment kit small bracket Attachment kit top bar 2 6 5 9 3 7 7 483 0 4 HOLES 6 8x10 3 465 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 349: ... 9 19 4 18 8 b Small Bracket 216 18 c Bar for Top and Bottom of Relay Parts a 1 Large bracket 5 Round head screws with spring washers and washers M4x10 b 1 Small bracket 3 Countersunk head screws M4x6 c 2 Bars 4 Countersunk head screws M3x8 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 350: ... a 1 Large bracket 5 Round head screws with spring washers and washers M4x10 b 1 Small bracket 3 Countersunk head screws M4x6 c 2 Bars 4 Countersunk head screws M3x8 Dimensions of Attachment Kit EP 102 132 265 9 137 8 265 9 19 4 18 8 326 18 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 351: ...ove two screws on left side of the relay And then remove four seals on the top and bottom of the relay Right bracket Left bracket Top bar Bottom bar Mount the small bracket by screwing three countersunk head screws M4x6 and apply adhesives to the screws to prevent them from loosening Mount the large bracket by five round head screws M4x10 with washer and spring washer And then mount the top and bo...

Page 352: ... 351 6 F 2 S 0 8 3 4 Appendix G External Connections w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 353: ...13 TP A1 TP B1 TP C 1 TB4 A3 A1 B3 A2 B2 TP A2 TP B2 TP C 2 TB4 A14 1 1 These connections are connected by short bars before shipment IO 1 IO 2 Programmable BI Note GRZ100 211 2 terminal system not provided with terminals marked with GRZ100 221 3 terminal system RS485 I F COM B COM A TB3 A18 B18 A17 B17 A16 B16 COM 0V Single port COM2 B COM2 A TB3 A18 A17 A16 B18 B17 B16 COM2 0V COM1 B COM1 A COM1...

Page 354: ... B3 B4 A5 A6 B5 B6 TB2 A1 B1 BO 1 BO 2 BO 3 BO 4 BO 5 BO 6 IO 3 A5 B5 BI2 BI1 TB4 B4 A4 B6 BI3 B7 BI4 A6 A7 B8 BI5 B9 BI6 A8 A9 B10 BI7 B11 BI8 A10 A11 B12 BI9 B13 BI10 A12 A13 B14 BI11 B15 BI12 A14 A15 A8 BI21 B8 BI22 B7 BI20 BI19 TB2 A7 A9 BI23 B9 BI24 A10 BI25 B10 IO 3 IO 1 B14 BI17 BI16 TB3 A14 A15 BI18 B15 IO 2 RS485 I F COM B COM A TB3 A18 B18 A17 B17 A16 B16 COM 0V Single port COM2 B COM2 A...

Page 355: ... BO 8 BO 9 BO 10 BO 11 BO 12 TB2 A2 A1 B1 B2 A12 B12 RELAY FAILURE B13 TB2 A13 HIGH SPEED RELAY BO 13 FAI L BO 4 BO 5 BO 6 BO 7 BO 8 BO 9 BO 10 BO 1 BO 2 BO 3 B14 BI35 BI34 TB3 A14 A15 BI36 B15 IO 4 1 1 These connections are connected by short bars before shipment For optical interface IO 1 TB4 TB5 IO 3 B18 IO 2 A18 TB2 A1 B1 VCT TB1 1 2 19 20 IO 4 TB3 CN1 IRIG B E Terminal Block Arrangement Rear ...

Page 356: ...y short bars before shipment IO 1 IO 2 Programmable BI COM B COM A COM 0V RS485 I F TB3 A18 B18 A17 B17 A16 B16 Single port COM2 B COM2 A TB3 A18 A17 A16 B18 B17 B16 COM2 0V COM1 B COM1 A COM1 0V RS485 I F Two ports A2 B2 A3 A4 B3 B4 A5 A6 B5 B6 A7 A8 B7 B8 A9 B9 TB2 A1 B1 BO 1 BO 2 BO 3 BO 4 BO 5 BO 6 BO 7 BO 8 BO 9 IO 3 A10 B10 BO 10 Terminal Block Arrangement Rear view For optical interface For...

Page 357: ...A10 A11 B11 A12 A13 B12 B10 B13 IO 3 TB5 A2 A1 B1 B2 BO 1 BO 2 BO 3 BO 4 BO 5 BO 6 BO 7 BO 8 BO 9 BO 10 BO 11 BO 12 BO 13 BO 14 IO 1 IO 2 IO 4 Programmable BI TB5 A14 B14 B15 A15 BI19 BI20 BI21 IO 3 A3 B3 A4 A5 B4 B5 A6 A7 B6 B7 A8 A9 B8 B9 A10 A11 B11 A12 A13 B12 B10 B13 IO 4 TB3 A2 A1 B1 B2 BO 1 BO 2 BO 3 BO 4 BO 5 BO 6 BO 7 BO 8 BO 9 BO 10 BO 11 BO 12 BO 13 BO 14 COM B COM A COM 0V RS485 I F TB...

Page 358: ...endix H Relay Setting Sheet Relay Identification Transmission line parameters Distance scheme Autoreclose scheme Contacts setting Relay and Protection Scheme Setting Sheets w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 359: ...dance Z1 Z0 Z0 mutual Zm VT ratio CT ratio Tripping mode 1 3 phase 3 phase 3 Distance scheme Zone protection Zone 1 extension PUP POP UOP BOP POP DEF UOP DEF BOP DEF PUP DEF 4 Autoreclose scheme Not used SPAR SPAR TPAR TPAR EX1P external autoreclose SPAR TPAR scheme EX3P external autoreclose TPAR scheme 1CB or 2CB reclosing Multi shot autoreclose 1 shot 2 shots 3 shots or 4 shots w w w E l e c t r...

Page 360: ...2 BO13 2 IO 3 BO1 BO2 BO3 BO4 BO5 BO6 BO7 BO8 BO9 BO10 BO11 BO12 BO13 BO14 3 IO 4 BO1 BO2 BO3 BO4 BO5 BO6 BO7 BO8 BO9 BO10 BO11 BO12 BO13 BO14 Memo For relay elements and scheme logic settings the setting list as shown on the next page is made w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 361: ...Integral Int Int 34 SP SYN Master Slave SP synchronization setting Master Master 35 TERM 2TERM 3TERM Dual Terminal selection 3TERM 3TERM 3TERM 36 CH USE Both CH1USE CH2USE For chain topology Both Both Both 37 RYIDSV Off On Relayaddress supervision On On 38 CH CON Normal Exchange Channel exchanger Normal Normal Normal 39 T SFT1 Off On CH 1 bit shifter for multiplexer link Off Off 40 T SFT2 Off On C...

Page 362: ...EXT Off On CBF initiation byext trip Off Off 109 OST Off Trip BO Out of step trip Off Off 110 THMT Off On Thermal trip enable Off Off 111 THMAL Off On Thermal alarm enable Off Off 112 TTSW1 Off Trip BO Transfer trip selection CH1 BO BO 113 TTSW2 Off Trip BO Transfer trip selection CH2 BO BO 114 VTF1EN Off On OPT On VTF1 enable On On 115 VTF2EN Off On OPT On VTF2 enable On On 116 VTF Z4 Off On Z4 c...

Page 363: ...3S Mho element 85 85 175 ZBGθ 0 45 deg Angle of direction Quad element 30 30 176 BFRG 0 10 20 00 0 5 100 0 Ω Blinder for ZGforward R 5 10 25 5 5 10 25 5 177 BFRGθ 75 fixed deg Angle of BFRG 178 BFLG 0 fixed Ω Blinder for ZGforward R 179 BFLGθ 90 135 deg Angle of BFLG 120 120 180 ZR1G 0 01 50 00 0 1 250 0 Ω ZR1Greactance 2 00 10 0 2 00 10 0 181 ZR2G 0 01 100 00 0 1 500 0 Ω ZR2Greactance 4 00 20 0 4...

Page 364: ...lement with current compensation 48 48 245 UVCZ 0 0 50 0 0 0 250 0 Ω ditto 2 0 10 0 2 0 10 0 246 UVCθ 45 90 deg ditto 85 85 247 UVCKrs 0 1000 ditto LinkedwithKrs of ZG LinkedwithKrs of ZG 248 UVCKxs 0 1000 ditto LinkedwithKxs of ZG LinkedwithKxs of ZG 249 OVG 20 fixed V OV element 250 UVFS 50 100 V UV ph ph element 88 88 251 UVLS 50 100 V UV ph ph element L level 77 77 252 UVFG 10 60 V UV ph g ele...

Page 365: ...NA 310 TEVLV 0 01 10 00 s Dead timer reset timing 0 30 0 30 311 TRDY1 5 300 s Reclaim timer 60 60 312 TSPR 0 01 10 00 s SPAR dead line timer 0 80 0 80 313 TTPR1 0 01 100 00 s TPAR dead line timer 0 60 0 60 314 TRR 0 01 100 00 s ARC reset timer 2 00 2 00 315 TW1 0 1 10 0 s ARC output pulse timer 0 2 0 2 316 TRDY2 5 300 s Reclaim timer 60 317 TSPR2 0 01 10 00 s SPAR dead line timer 0 80 318 TTPR2 0 ...

Page 366: ... Configurable LEDs OR OR 384 Reset Inst Latch Inst Inst 385 In 1 0 3071 2817 0 386 In 2 0 3071 0 0 387 In 3 0 3071 0 0 388 In 4 0 3071 0 0 389 LED3 Logic OR AND Configurable LEDs OR OR 390 Reset Inst Latch Inst Inst 391 In 1 0 3071 2818 0 392 In 2 0 3071 0 0 393 In 3 0 3071 0 0 394 In 4 0 3071 0 0 395 LED4 Logic OR AND Configurable LEDs OR OR 396 Reset Inst Latch Inst Inst 397 In 1 0 3071 231 0 39...

Page 367: ...1 425 OCP S 0 5 250 0 0 1 50 0 A OC element for disturbance 10 0 2 0 10 0 2 0 426 OCP G 0 5 250 0 0 1 50 0 A recorder initiation 5 0 1 0 5 0 1 0 427 UVP S 0 132 V UV element for disturbance 88 88 428 UVP G 0 76 V recorder initiation 51 51 429 TRIP Off On Disturbance trigger On On 430 OCP S Off On ditto On On 431 OCP G Off On ditto On On 432 UVP S Off On ditto On On 433 UVP G Off On ditto On On 434...

Page 368: ... fail On Off 30 EV30 0 3071 ditto 904 Sync1 fail On Off 31 EV31 0 3071 ditto 924 Com2 fail On Off 32 EV32 0 3071 ditto 920 Sync2 fail On Off 33 EV33 0 3071 ditto 901 Term1 rdy On Off 34 EV34 0 3071 ditto 917 Term2 rdy On Off 35 EV35 0 3071 ditto 884 BU car mode On Off 36 EV36 0 3071 ditto 880 Severe CF On Off 37 EV37 0 3071 ditto 1513 RYID1 err On Off 38 EV38 0 3071 ditto 1514 RYID2 err On Off 39 ...

Page 369: ... Off 97 EV97 0 3071 ditto 0 On Off 98 EV98 0 3071 ditto 0 On Off 99 EV99 0 3071 ditto 0 On Off 100 EV100 0 3071 ditto 0 On Off 101 EV101 0 3071 ditto 1243 SET GROUP1 On 102 EV102 0 3071 ditto 1244 SET GROUP2 On 103 EV103 0 3071 ditto 1245 SET GROUP3 On 104 EV104 0 3071 ditto 1246 SET GROUP4 On 105 EV105 0 3071 ditto 1247 SET GROUP5 On 106 EV106 0 3071 ditto 1248 SET GROUP6 On 107 EV107 0 3071 ditt...

Page 370: ...o 176 PSB_DET 9 9 9 9 176 PSB_DET 9 9 9 9 15 SIG15 0 3071 ditto 203 OST_TRIP 9 9 9 9 203 OST_TRIP 9 9 9 9 16 SIG16 0 3071 ditto 800 C R_SEND A 9 9 9 9 800 C R_SEND A 9 9 9 9 17 SIG17 0 3071 ditto 801 C R_SEND B 9 9 9 9 801 C R_SEND B 9 9 9 9 18 SIG18 0 3071 ditto 802 C R_SEND C 9 9 9 9 802 C R_SEND C 9 9 9 9 19 SIG19 0 3071 ditto 803 C R_SEND S 9 9 9 9 803 C R_SEND S 9 9 9 9 20 SIG20 0 3071 ditto ...

Page 371: ... A X 531 BI19_COMMAND X 1553 CB2_CONT B X 532 BI20_COMMAND X 1554 CB2_CONT C X 533 BI21_COMMAND X 1555 1556 EXT_TRIP A X 528 BI16_COMMAND X 1557 EXT_TRIP B X 529 BI17_COMMAND X 1558 EXT_TRIP C X 530 BI18_COMMAND X 1559 1560 EXT_CBFIN A X 528 BI16_COMMAND X 1561 EXT_CBFIN B X 529 BI17_COMMAND X 1562 EXT_CBFIN C X 530 BI18_COMMAND X 1563 1564 ARC_BLOCK1 1565 ARC_BLOCK2 1566 1567 1568 EXT_CAR R1 1 X ...

Page 372: ..._BLOCK 1634 Z2S_BLOCK 1635 Z3S_BLOCK 1636 ZR1S_BLOCK 1637 ZFS_BLOCK 1638 ZR2G_BLOCK 1639 ZR2S_BLOCK 1640 CBF_BLOCK 1641 EXTTP_BLOCK X 535 BI23_COMMAND X 1642 VTF_BLOCK 1643 VTF_ALARM 1644 TR1_BLOCK 1645 TR2_BLOCK 1646 ZNDG_BLOCK 1647 ZNDS_BLOCK 1648 Z1S_G BLK 1649 STUB_CB X 1 1 CONSTANT_1 101 CB AND X 1650 OCHTP_ON X 708 SHOT_NUM2 709 SHOT_NUM3 710 SHOT_NUM4 711 SHOT_NUM5 X 1651 PSB F_RESET 1652 D...

Page 373: ...EFR_INST_TP 1708 ZR2_INST_TP 1709 ZND_INST_TP 1710 1711 1712 Z1_3PTP X 0 713 Z1CNT_3PTP X 1713 Z1X_3PTP 1714 Z2_3PTP X 2 1 CONSTANT_1 X 1715 1716 OC_3PTP X 2 1 CONSTANT_1 X 1717 OCI_3PTP X 2 1 CONSTANT_1 X 1718 1719 1720 CAR_3PTP 1721 DEFCAR_3PTP X 2 1 CONSTANT_1 X 1722 PSBTP_3PTP X 2 1 CONSTANT_1 X 1723 1724 TR1_3PTP 1725 TR2_3PTP 1726 1727 3P_TRIP 1728 CAR A R1 X 1088 COM1 R1 X 1729 CAR B R1 X 1...

Page 374: ...66 DEFCAR C R2 X 1142 COM7 R2 X 1767 1768 1769 1770 1771 1772 PSBCAR A R2 X 1143 COM8 R2 X 1773 PSBCAR B R2 X 1143 COM8 R2 X 1774 PSBCAR C R2 X 1143 COM8 R2 X 1775 1776 TR1 A R2 X 1144 COM9 R2 X 1777 TR1 B R2 X 1144 COM9 R2 X 1778 TR1 C R2 X 1144 COM9 R2 X 1779 1780 TR2 A R2 X 1145 COM10 R2 X 1781 TR2 B R2 X 1145 COM10 R2 X 1782 TR2 C R2 X 1145 COM10 R2 X 1783 1784 1785 1786 1787 1788 1789 1790 17...

Page 375: ...3 SYN OP X 1828 SPR F ST REQ 1 CONSTANT_1 X 1829 TPR F ST REQ 486 ARC SET X 1830 1831 1832 R F ST REQ 1833 SPR F2 REQ 1834 TPR F2 REQ 1835 1836 1837 1838 ARC L_TERM 1839 ARC F_TERM 1840 1841 1842 1843 1844 1845 1846 1847 1848 BCD_BLOCK 1849 DEFF_BLOCK 1850 1851 DEFR_BLOCK 1852 1853 1854 1855 1856 OVS1_BLOCK 1857 OVS2_BLOCK 1858 1859 1860 OVG1_BLOCK 1861 OVG2_BLOCK 1862 1863 1864 UVS1_BLOCK 1865 UV...

Page 376: ...7 S X 806 C R_SEND DEFC X 2055 COM8 S X 815 C R_SEND PSB X 2056 COM9 S X 516 BI4_COMMAND X 2057 COM10 S X 517 BI5_COMMAND X 2058 COM11 S 2059 COM12 S 2060 COM13 S 2061 COM14 S 2062 2063 2064 SUB_COM1 S 2065 SUB_COM2 S 2066 SUB_COM3 S X 848 LOCAL_TEST X 2067 SUB_COM4 S X 881 SEVERE_CF L X 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2...

Page 377: ... F RECORD3 2627 F RECORD4 2628 2629 2630 2631 2632 D RECORD1 2633 D RECORD2 2634 D RECORD3 2635 D RECORD4 2636 2637 2638 2639 2640 SET GROUP1 2641 SET GROUP2 2642 SET GROUP3 2643 SET GROUP4 2644 SET GROUP5 2645 SET GROUP6 2646 SET GROUP7 2647 SET GROUP8 2648 2649 2650 2651 2652 2653 2654 2655 2656 CON_TPMD1 2657 CON_TPMD2 2658 CON_TPMD3 2659 CON_TPMD4 2660 CON_TPMD5 2661 CON_TPMD6 2662 CON_TPMD7 2...

Page 378: ...3 2684 ARC_COM_RECV 2685 TELE_COM_RECV 2686 PROT_COM_RECV 2687 2688 TPLED_RST_RCV 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2814 2815 90 User Off Delay Norm None Signal Turn On Delay One Shot Time Value Back Up R...

Page 379: ... TEMP022 2838 TEMP023 2839 TEMP024 2840 TEMP025 2841 TEMP026 2842 TEMP027 2843 TEMP028 2844 TEMP029 2845 TEMP030 2846 TEMP031 2847 TEMP032 2848 TEMP033 2849 TEMP034 2850 TEMP035 2851 TEMP036 2852 TEMP037 2853 TEMP038 2854 TEMP039 2855 TEMP040 2856 TEMP041 2857 TEMP042 2858 TEMP043 2859 TEMP044 2860 TEMP045 2861 TEMP046 2862 TEMP047 2863 TEMP048 2864 TEMP049 2865 TEMP050 2866 TEMP051 2867 TEMP052 2...

Page 380: ...94 2910 TEMP095 2911 TEMP096 2912 TEMP097 2913 TEMP098 2914 TEMP099 2915 TEMP100 2916 TEMP101 2917 TEMP102 2918 TEMP103 2919 TEMP104 2920 TEMP105 2921 TEMP106 2922 TEMP107 2923 TEMP108 2924 TEMP109 2925 TEMP110 2926 TEMP111 2927 TEMP112 2928 TEMP113 2929 TEMP114 2930 TEMP115 2931 TEMP116 2932 TEMP117 2933 TEMP118 2934 TEMP119 2935 TEMP120 2936 TEMP121 2937 TEMP122 2938 TEMP123 2939 TEMP124 2940 TE...

Page 381: ...63 2979 TEMP164 2980 TEMP165 2981 TEMP166 2982 TEMP167 2983 TEMP168 2984 TEMP169 2985 TEMP170 2986 TEMP171 2987 TEMP172 2988 TEMP173 2989 TEMP174 2990 TEMP175 2991 TEMP176 2992 TEMP177 2993 TEMP178 2994 TEMP179 2995 TEMP180 2996 TEMP181 2997 TEMP182 2998 TEMP183 2999 TEMP184 3000 TEMP185 3001 TEMP186 3002 TEMP187 3003 TEMP188 3004 TEMP189 3005 TEMP190 3006 TEMP191 3007 TEMP192 3008 TEMP193 3009 TE...

Page 382: ...22 3038 TEMP223 3039 TEMP224 3040 TEMP225 3041 TEMP226 3042 TEMP227 3043 TEMP228 3044 TEMP229 3045 TEMP230 3046 TEMP231 3047 TEMP232 3048 TEMP233 3049 TEMP234 3050 TEMP235 3051 TEMP236 3052 TEMP237 3053 TEMP238 3054 TEMP239 3055 TEMP240 3056 TEMP241 3057 TEMP242 3058 TEMP243 3059 TEMP244 3060 TEMP245 3061 TEMP246 3062 TEMP247 3063 TEMP248 3064 TEMP249 3065 TEMP250 3066 TEMP251 3067 TEMP252 3068 TE...

Page 383: ... 382 6 F 2 S 0 8 3 4 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 384: ... selection element UVC test 4 5 Directional earth fault element DEF test 4 6 Negative sequence directional element DOCN test 4 7 Inverse definite minimum time overcurrent element IDMT EFI and OCI test 4 8 Voltage and synchronism check elements test 4 9 Thermal overload element test 4 10 Current change detection element 4 11 Level detectors test 4 12 BCD elment test 4 13 Overvoltage and undervoltag...

Page 385: ...ings group number 2 Preliminary check Ratings CT shorting contacts DC power supply Power up Wiring Relay inoperative alarm contact Calendar and clock 3 Hardware check 3 1 User interface check 3 2 Binary input Binary output circuit check Binary input circuit Binary output circuit 3 3 AC input circuit w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 386: ...Z4S ZR1S ZR2S ZNDS PSBSIN PSBSOUT 4 2 Earth fault element ZG test Element Reach setting ZG IT 2IT ZG Measured voltage 2Va Z1G Z1XG Z2G Z3G ZFG Z4G ZR1G ZR2G ZNDG PSBGIN PSBGOUT 4 3 Out of step element OST test Element Reach setting ZOST IT 2IT ZOST Measured voltage 2Va OSTXF OSTXB OSTR1 OSTR2 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 387: ...age DEFF DEFR 4 6 Negative sequence directional element DOCN test Element Test current Measured voltage DOCN F IN DOCN R IN 4 7 Inverse definite minimum time overcurrent element IDMT EFI and OCI test Element Test current Measured operating time EFI 1 2 Is 20 Is OCI 1 2 Is 20 Is 4 8 Voltage and synchronism check elements test 1 Voltage check element Element Setting Measured voltage OVB UVB OVL1 UVL...

Page 388: ...le SYN1 SY1θ SYN2 SY2θ 4 9 Thermal overload element test Element Test current Measured operating time THM A 1 2 Is THM T 10 Is 4 10 Current change detection element Element Test current Result OCD 1 2 Fixed setting OCDP 1 2 Setting value 4 11 Level detectors test Element Setting Measured value OCH EF EFL OC OVG UVLS UVLG UVFS UVFG OCBF w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 389: ...perating time test IDMT Element Voltage setting Multiplier setting Changed voltage Measured time OVS1 10 0 1 5 Voltage setting OVG1 10 0 1 5 Voltage setting UVS1 10 0 0 5 Voltage setting UVG1 10 0 0 5 Voltage setting 5 Protection scheme test Scheme Results 6 Metering and recording check 7 Conjunctive test Scheme Results On load check Signaling circuit Tripping circuit Reclosing circuit w w w E l e...

Page 390: ... 389 6 F 2 S 0 8 3 4 Appendix J Return Repair Form w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 391: ...RZ100 Model 214B 22 10 Product No Serial No Date 1 Why the relay is being returned mal operation does not operate increased error investigation others 2 Fault records event records or disturbance records stored in the relay and relay settings are very helpful information to investigate the incident Please inform us of this information in respect to in the incident on a Floppy Disk or by completing...

Page 392: ... A V1 kV or V I1 kA or A V2 kV or V I2 kA or A V0 kV or V I0 kA or A I0a kA or A Fault values Va kV or V Ia kA or A Vb kV or V Ib kA or A Vc kV or V Ic kA or A Vab kV or V Iab kA or A Vbc kV or V Ibc kA or A Vca kV or V Ica kA or A V1 kV or V I1 kA or A V2 kV or V I2 kA or A V0 kV or V I0 kA or A I0a kA or A Ra Ω Xa Ω Rb Ω Xb Ω Rc Ω Xc Ω Rab Ω Xab Ω Rbc Ω Xbc Ω Rca Ω Xca Ω 3 What was the message o...

Page 393: ...lease write the detail of the incident 5 Date of the incident occurred Day Month Year Example 10 July 1998 6 Please write any comments on the GRZ100 including the document w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 394: ... 393 6 F 2 S 0 8 3 4 Customer Name Company Name Address Telephone No Facsimile No Signature w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 395: ... 394 6 F 2 S 0 8 3 4 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 396: ... 395 6 F 2 S 0 8 3 4 Appendix K Technical Data w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 397: ...t rated 1A AC voltage input 0 1VA at rated voltage DC power supply less than15W quiescent less than 25W operation Binary input circuit 0 5W input at 110Vdc CT Ratio Setting CT ratio 1 to 20000 in 1 steps Full Scale of Current for Measurement Current 65 times rated current Phase Fault Distance Measuring Element Z1S Z2S and Z1XS Z1S θ1 Z1S θ2 ZFS ZR1S and ZR2S Z3S and Z4S Characteristic angle Z1S an...

Page 398: ...c in the command protection 0 to 50ms in 1ms steps Transfer Tripping function Operating time excluding transmission delay time Typical 15ms from BI energisation at the sent end to trip contact closing at the receive end Operating and Resetting Time of Distance Measuring Element Typical operating time Operating time curve SIR curve Resetting time 20ms Refer to Figure K 1 less than 30ms for tripping...

Page 399: ...Ω steps 1A relay 1 0 to 10 0Ω in 0 1Ω steps 5A relay 5 to 250Ω in 1Ω steps 1A relay 1 0 to 50 0Ω in 0 1Ω steps 5A relay 1 to 50Ω in 1Ω steps 1A relay 0 2 to 10 0Ω in 0 1Ω steps 5A relay 0 01 to 1 00s in 0 01s steps Breaker Failure BF Protection Overcurrent element BF timer for retry trip of failed breaker BF timer for related breaker trip Operating time of overcurrent element Resetting time of ove...

Page 400: ...0A in 0 1A steps 5A relay 0 00 to 10 00s in 0 01s steps 5 Weak Infeed and Echo Protection Phase to phase undervoltage element Phase to earth undervoltage element 50 to 100V in 1V steps 10 to 60V in 1V steps Thermal overload Protection Thermal setting THM k IFLC Time constant τ Thermal alarm Pre load current setting OFF 0 40 2 00A in 0 01A steps 1A rating OFF 2 0 10 0A in 0 1A steps 5A rating 0 5 3...

Page 401: ... steps 5 to 75 in 1 steps 10 to 150V in 1V steps 10 to 150V in 1V steps 10 to 150V in 1V steps 10 to 150V in 1V steps 0 01 to 10 00s in 0 01s steps 0 01 to 1 00s in 0 01s steps less than 50ms less than 40ms Integral Communication Interface Protection Signalling Electrical interface Telecomm equipment link Applicable standard Type of code Connector type CCITT G703 1 2 1 CCITT G703 1 2 2 or 1 2 3 X ...

Page 402: ...ervoltage element Pre fault time Post fault time 0 1 to 50 0A in 0 1A steps 1A relay 0 5 to 250 0A in 0 1A steps 5A relay 0 to 132V in 1V steps for phase fault 0 to 76V in 1V steps for earth fault 0 3s fixed 0 1 to 3 0s in 0 1s steps Communication Port Front communication port local PC Connection Cable type Cable length Connector Point to point Multi core straight 15m max RS232C 9 pin D subminiatu...

Page 403: ... Curves Contact Ratings Trip contacts Make and carry Break Auxiliary contacts Make and carry Break Durability Make and carry Break 5A continuously 30A 290Vdc for 0 5s L R 10ms 0 15A 290Vdc L R 40ms 4A continuously 10A 220Vdc for 0 5s L R 5ms 0 1A 220Vdc L R 40ms 10 000 operations minimum 100 000 operations minimum Mechanical design Weight Case colour Installation 10kg Type A 13kg Type B Munsell No...

Page 404: ...esults is used to dimension the CT k1 k2 and k3 are chosen depending on the primary system time constant as follows Transient dimensioning factor k a Stability for faults beyond the zone 1 reach point If_z1_max b Stability for close up reverse faults If_rev_max c Dependability of tripping for close up forward faults If_max Primary system time constant Td ms k1 k2 k3 35 6 2 2 50 7 3 2 75 8 6 2 100 ...

Page 405: ...0 for 5P20 All values refer to the CT secondary side 3 Remanent flux has not been considered In cases where a high level of remanent flux may be experienced it may be necessary to include an additional margin when dimensioning the CT 4 The data provided is valid for 50Hz and 60Hz power systems w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 406: ... Electrostatic Discharge IEC60255 22 2 Class 3 IEC61000 4 2 EN61000 4 2 6kV contact discharge 8kV air discharge Radiated RF Electromagnetic Disturbance IEC60255 22 3 Class 3 IEC61000 4 3 EN61000 4 3 Field strength 10V m for frequency sweeps of 80MHz to 1GHz and 1 7GHz to 2 2GHz Additional spot tests at 80 160 450 900 and 1890MHz Fast Transient Disturbance IEC60255 22 4 IEC61000 4 4 EN61000 4 4 4kV...

Page 407: ... the European Commission Electromagnetic Compatibility Directive is demonstrated according to EN 61000 6 2 and EN 61000 6 4 73 23 EEC Compliance with the European Commission Low Voltage Directive is demonstrated according to EN 50178 and EN 60255 5 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 408: ... 407 6 F 2 S 0 8 3 4 Appendix L Symbols Used in Scheme Logic w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 409: ...rked with Scheme switch Marked with Scheme switch position Unmarked Internal scheme logic signal AND gates A B C Output 1 1 1 1 Other cases 0 A B C Output 1 1 0 1 Other cases 0 A B C Output 1 0 0 1 Other cases 0 OR gates A B C Output 0 0 0 0 Other cases 1 A B C Output 0 0 1 0 Other cases 1 A B C Output 0 1 1 0 Other cases 1 A Output B C A Output B 1 C A Output B C A Output B C A Output B 1 C A Out...

Page 410: ...YYY Setting range Delayed drop off timer with variable setting XXX YYY Setting range One shot timer XXX YYY Setting range Flip flop S R Output 0 0 No change 1 0 1 0 1 0 1 1 0 Scheme switch A Switch Output 1 ON 1 Other cases 0 Switch Output ON 1 OFF 0 0 t XXX t 0 XXX 0 t XXX YYY XXX YYY t 0 Output Output ON ON A S Output F F R Output A 1 XXX YYY A Output A Output w w w E l e c t r i c a l P a r t M...

Page 411: ... 410 6 F 2 S 0 8 3 4 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 412: ... 411 6 F 2 S 0 8 3 4 Appendix M Example of Setting Calculation w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 413: ...lt current 2 05kA 2 Relay Setting Relay application Relay type GRZ100 214 Protection scheme BOP Blocking overreach protection 3 zone time stepped distance protection Autoreclose mode 1 3 3 Setting Calculation 3 1 Normal load current To calculate load current back impedance is converted from a percent unit value to an impedance value Base impedance Zbase Vbase 2 VAbase 150kV 3 2 100MVA 75 ohms CT 6...

Page 414: ...ero sequence earth fault current Io positive sequence earth fault current I1 and negative earth fault current I2 are calculated as follows I0 I1 I2 Source voltage Back impedance of A s s Transmission line zero sequence impedance Transmission line positive sequence impedance 2 150kV 3 0 94 75 16 8 0 49702 1 43872 2 16 8 0 01972 0 27472 822 28A So Ifmin I0 I1 I2 3 822 28 2 47kA Note Assuming that po...

Page 415: ...PSB ZR1 PSB for ZR1 elements OFF PSB ZR2 PSB for ZR2 elements OFF PSB TP Trip under PSB ON BLZONE Blinder setting mode COM Z1CNT Z1 trip mode 1 STUB STUB protection OFF SOTF OC SOTF OC trip ON SOTF Z1 SOTF Z1 trip OFF SOTF Z2 SOTF Z2 trip OFF SOTF Z3 SOTF Z3 trip OFF SOTF F SOTF ZF trip OFF SOTF R1 SOTF ZR1 trip OFF SOTF R2 SOTF ZR2 trip OFF SOTF ND SOTF ZND trip OFF ZFBT ZF element back up trip O...

Page 416: ...cation BUS 3 4 Impedance setting Element Standard setting Recommended Setting Z1S 80 of protected line reactance 80 Z1XS 120 or more of protected line reactance 130 Z2S 120 or more of protected line reactance 130 Z3S 100 of protected line impedance plus 150 of next line section 300 Z4S 120 of Z3S 120 of Z3S setting Z1G 75 80 of protected line reactance 75 Z1XG 120 or more of protected line reactan...

Page 417: ... not operate on load current upper setting limit so X3G setting Zline 130 Z2G setting 2 6 operating margin for no zero phase sequence current compensation 1 5 operating margin 500 of Zline b Setting condition of Z4G element The operation zone of the Z4G element includes the operating zone of the Z3G element remote terminal relay Element Actual impedance ohms k factor Relay impedance ohms Z1S 3 692...

Page 418: ...dance and mutual impedance Z1 R1 0 0197 j X1 0 2747 ohms Z0 R0 0 497 j X0 1 4287 ohms Zm Rm 0 0212 j Xm 0 3729 ohms Step 2 Calculate the zero and mutual sequence compensation factor setting according to the following equations KRS R0 R1 100 0 497 0 0197 2523 KXS X0 X1 100 1 4387 0 2747 524 KRm Rm R1 100 0 0212 0 0197 108 KXm Xm X1 100 0 3729 0 2747 136 Note If the calculated value exceeds 1000 the...

Page 419: ...x zero sequence current 3Io in normal conditions DEFFV DEFRV Max zero sequence voltage 3Vo in normal conditions Element Setting DEFFI 2 5 A DEFRI 2 5 A DEFFV 21 0 V DEFRV 21 0 V DEFF θ 85 DEFR θ 85 c IDMT overcurrent element EFI The EFI element should not be operated by the unbalance current present under normal conditions It is recommended to set the current after measuring the actual unbalance r...

Page 420: ...ement a Undervoltage element with current compensation Phase selector 1 Undervoltage element UVCV The UVCV element should be set not to work with the current of the power system UVCV rated voltage 0 7 63 5V 0 7 44 5 2 Reach setting UVCZ The UVCZ element is set to the line impedance value UVCZ 16 8 0 01972 0 27472 0 088 0 41 ohms Element Setting UVCV 45V UVCZ 0 41 UVC θ 85 b VT failure supervision ...

Page 421: ...larm contact will close 3s after detecting an unbalance current residual current such as a CT open circuit fault In addition to CT open circuit faults this element can detect a broken conductor condition d Time setting of directional earth fault relay TDEFB Set the time delay for the directional earth fault element for back up Element Setting s TZ1S 0 00 TZ2S 0 30 TZ3S 0 40 TZ1G 0 00 TZ2G 0 30 TZ3...

Page 422: ... the breaker The required pulse time is set by this time element Element Setting s TEVLV 0 30 TSPR 0 80 TTPR 0 60 TRDY 60 TRR 2 00 TW 0 2 3 11 Synchronism check element The synchronism check element setting is as follows Element Setting SY1UV 83V SY10V 51V SY1 θ 30deg TSYN1 1 00s TDBL1 0 05s TLBD1 0 05s OVB 51V UVB 13V OVL1 51V UVL1 13V w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 423: ... 422 6 F 2 S 0 8 3 4 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 424: ... 423 6 F 2 S 0 8 3 4 Appendix N IEC60870 5 103 Interoperability and Troubleshooting w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 425: ...anual on IEC103 Configurator IEC60870 5 103 Interoperability 1 Physical Layer 1 1 Electrical interface EIA RS 485 Number of loads 32 for one protection equipment 1 2 Optical interface Glass fibre option ST type connector option 1 3 Transmission speed User setting 9600 or 19200 bit s 2 Application Layer COMMON ADDRESS of ASDU One COMMON ADDRESS OF ASDU identical with station address 3 List of Infor...

Page 426: ...rom the relay using a Class 2 poll The rate at which the relay produces new measured values can be customized 3 1 4 Commands The supported commands can be customized The relay will respond to non supported commands with a cause of transmission COT of negative acknowledgement of a command For details refer to the standard IEC60870 5 103 section 7 4 4 3 1 5 Test mode In test mode both spontaneous me...

Page 427: ...change has done at the local the event is sent to control system Not supported 23 Characteristic1 Setting group 1 active GI 1 1 9 11 12 128 1243 1 2 24 Characteristic2 Setting group 2 active GI 1 1 9 11 12 128 1244 1 2 25 Characteristic3 Setting group 3 active GI 1 1 9 11 12 128 1245 1 2 26 Characteristic4 Setting group 4 active GI 1 1 9 11 12 128 1246 1 2 27 Auxiliary input1 Binary input 1 No set...

Page 428: ...leprotection Signal received Carrier signal receiving Not supported 78 Zone1 Zone 1 trip 2 1 128 342 2 79 Zone2 Zone 2 trip 2 1 128 344 2 80 Zone3 Zone 3 trip 2 1 128 345 2 81 Zone4 Zone 4 trip No set 82 Zone5 Zone 5 trip No set 83 Zone6 Zone 6 trip No set 84 General Start Pick up Any elements pick up No set 85 Breaker Failure CBF trip or CBF retrip 2 1 128 199 2 86 Trip measuring system L1 Not su...

Page 429: ...ed 243 Read directory of entry Not supported 244 Real attribute of entry Not supported 245 End of GGI Not supported 249 Write entry with confirm Not supported 250 Write entry with execute Not supported 251 Write entry aborted Not supported Details of MEA settings in IEC103 configurator INF MEA Tbl Offset Data type Limit Coeff Lower Upper 148 Ia 1 36 short 0 4096 3 41333 Ib 1 40 short 0 4096 3 4133...

Page 430: ...4 Setting Group 4 ON 20 20 128 Generic functions 240 Read headings of all defined groups Not supported 241 Read values or attributes of all entries of one group Not supported 243 Read directory of a single entry Not supported 244 Read values or attributes of a single entry Not supported 245 General Interrogation of generic data Not supported 248 Write entry Not supported 249 Write entry with confi...

Page 431: ... L1 E Va Configurable Voltage L2 E Vb Configurable Voltage L3 E Vc Configurable Active power P P Configurable Reactive power Q Q Configurable Frequency f f Configurable Voltage L1 L2 Vab Configurable Details of Common settings in IEC103 configurator Setting file s remark GRZ100_1 00 Remote operation valid time ms 4000 Local operation valid time ms 4000 Measurand period s 2 Function type of System ...

Page 432: ... Transmission refer to IEC60870 5 103 section 7 2 3 1 spontaneous 2 cyclic 3 reset frame count bit FCB 4 reset communication unit CU 5 start restart 6 power on 7 test mode 8 time synchronization 9 general interrogation 10 termination of general interrogation 11 local operation 12 remote operation 20 positive acknowledgement of command 21 negative acknowledgement of command 31 transmission of distu...

Page 433: ...ond draft _02 csv Third draft _03 csv Revision number The name is recommended to be able to discriminate the relay type such as GRZ100 or GRL100 etc The setting files remark field of IEC103 is able to enter up to 12 one byte characters It is utilized for control of IEC103 setting data 2 Saving theIEC103 setting data The IEC103 setting data is recommended to be saved in external media such as FD fl...

Page 434: ...he setting of converter is incorrect RS485 optic conversion is executed with the transmission channel etc Converter In the event of using G1IF2 change the DIPSW setting in reference to INSTRUCTION MANUAL 6F2S0794 The relationship between logical 0 1 of the signal and Sig on off is incorrect In the event of using optical cable BCU Check the following Logical0 Sig on Logical1 Sig off Terminal resist...

Page 435: ...ay and SAS The relay is not initialised after writing IEC103 configurator setting RY Check the sum value of IEC103 setting data from the LCD screen When differing from the sum value on IEC103 configurator initialise the relay 2 HMI does not display IEC103 event on the SAS side It changes to the block mode RY Change the IECBR settling to Normal BCU does not transmit the frame of time synchronisatio...

Page 436: ... 435 6 F 2 S 0 8 3 4 Appendix O Programmable Reset Characteristics and Implementation of Thermal Model to IEC60255 8 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 437: ...lation again breaks down and the process repeats An inverse time overcurrent protection with instantaneous resetting cannot detect this condition until the fault becomes permanent thereby allowing a succession of such breakdowns to occur with associated damage to plant and danger to personnel If a definite time reset delay of for example 60 seconds is applied on the other hand the inverse time ele...

Page 438: ...sents the thermal limit that is the point at which no further temperature rise can be safely tolerated and the system should be disconnected The thermal limit for any given electrical plant is fixed by the thermal setting IAOL The relay gives a trip output when θ 100 If current I is applied to a cold system then θ will rise exponentially from 0 to I2 IAOL 2 100 with time constant τ as in Figure O ...

Page 439: ...on to an immediate overload Figure O 3 shows a typical thermal profile for a system which initially carries normal load current and is then subjected to an overload condition until a trip results before finally cooling to ambient temperature θ t s 100 Normal Load Current Condition Cooling Curve Overload Current Condition Trip at 100 Figure O 3 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 440: ... 439 6 F 2 S 0 8 3 4 Appendix P Data Transmission Format w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 441: ...nformation is different from frame to frame Frames are identified by the SA flag which is also transmitted by sub communication It detects the signal pattern of 00001 and identifies a frame number One cycle of frame numbers covers 12 frames 4 SP flag and time data The SP flag and time data for sampling time synchronization are transmitted by sub communication Sub communication detects the signal p...

Page 442: ...I1 at remainder 1 of SA V1 at remainder 2 of SA RDY 1 for ready SA Sub communication bit for SA synchronisation SO Sub communication bit for sampling synchronisation RA1 RA2 The relay address data Analog value for fault locator Configurable bits 14 bits sent every frame Echo bits 14 bits sent every frame Configurable bits 4 bits configurable sent period 2 for configurable bits 2 for echo bits Cont...

Page 443: ... 442 6 F 2 S 0 8 3 4 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 444: ... 443 6 F 2 S 0 8 3 4 Appendix Q Relay Operation under Communication Failure in Backup Carrier Scheme w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 445: ...p Case 3 Fault at near C term Relay A POP or UOP trip by backup carrier Relay B POP or UOP trip Relay C Z1 trip Case 1 Fault at behind A term Relay A BOP trip blocked Relay B ditto Relay C BOP trip blocked by backup carrier Case 2 Fault at behind B term Relay A BOP trip blocked by backup carrier Relay B BOP trip blocked Relay C ditto Case 3 Fault at behind C term Relay A BOP trip blocked Relay B d...

Page 446: ...p Command protection blocked under Severe CF in SCFCNT BLK Case 2 Fault at behind B term Relay A BOP trip blocked Relay B ditto Relay C ditto Case 3 Fault at behind C term Relay A BOP trip blocked Relay B ditto Relay C ditto 5 CF occurs at relay A s CH1 and C s CH1 Relay B Relay A CH1 CH2 CH1 CH2 Relay C CH2 CH1 Case 1 Fault at near A term Relay A Z1 trip Relay B PUP trip Relay C PUP trip by backu...

Page 447: ...r UOP scheme BOP scheme SCFCNT Trip BOP scheme SCFCNT BLK 7 CF occurs at relay A s CH1 B s CH2 and C s CH1 Relay B Relay A CH1 CH2 CH1 CH2 Relay C CH2 CH1 Severe CF mode Case 1 Fault at near A term Relay A Z1 trip Relay B PUP trip by backup carrier Relay C PUP trip Case 2 Fault at near B term Relay A Distance delay trip Carrier trip is impossible Relay B Z1 trip Relay C PUP trip Case 3 Fault at ne...

Page 448: ... 447 6 F 2 S 0 8 3 4 Appendix R Inverse Time Characteristics w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 449: ...Current Multiple of Setting Operating Time s 1 0 5 0 1 0 2 1 5 TMS IEC UK Inverse Curves VI Time Multiplier TMS 0 1 1 5 0 01 0 1 1 10 100 1 10 100 Current Multiple of Setting Operating Time s 1 0 0 5 0 2 0 1 1 5 TMS Normal Inverse Very Inverse w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 450: ...0 Current Multiple of Setting Operating Time s 1 0 0 5 0 2 0 1 1 5 TMS UK Inverse Curves LTI Time Multiplier TMS 0 1 1 5 0 1 1 10 100 1000 1 10 100 Current Multiple of Setting Operating Time s 1 0 0 2 0 5 0 1 1 5 TMS Extremely Inverse Long Time Inverse w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 451: ... 450 6 F 2 S 0 8 3 4 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 452: ... 451 6 F 2 S 0 8 3 4 Appendix S Failed Module Tracing and Replacement w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 453: ...lacement module has an identical module name VCT SPM IO1 IO2 etc and hardware type form as the failed module Furthermore the SPM and GCOM modules must have the same software name and version Refer to Section 4 2 5 1 Countermeasure As shown in the table some of the messages cannot identify the fault location definitely but suggest plural possible failure locations In these cases the failure locatio...

Page 454: ...a failure and the LCD is not working such as a screen is frozen or not displayed the failure location is any one of SPM and HMI module If there is a failure and no message is shown on the LCD it means that the failure location is either in the DC power supply circuit or in the microprocessors mounted on the SPM module In this case check the ALARM LED If it is off the failure is in the DC power sup...

Page 455: ... 2 1 1 1 1 1 1 RSM err 2 1 DS fail 2 2 1 Ch 1fail Ch 2fail 2 1 Com 1 fail fail R Com 2 fail fail R 2 1 Sync 1 fail Sync 2 fail 2 1 TX level1 err TX level2 err 2 1 RX level1 err RX level2 err 2 1 CLK1 fail CLK2 fail 2 1 Td1 err Td2 err 2 1 Term1 rdy off Term2 rdy off RYID1 err RYID2 err VT fail 2 1 No working of LCD 2 1 The location marked with 1 has a higher probability than the location marked wi...

Page 456: ...tings The initial replacement procedure is as follows 1 Switch off the DC power supply Hazardous voltage may remain in the DC circuit just after switching off the DC power supply It takes about 30 seconds for the voltage to discharge 2 Remove the front panel cover 3 Open the front panel Open the front panel of the relay by unscrewing the binding screw located on the left side of the front panel Ca...

Page 457: ... replacement module Insert the replacement module into the same slots where marked up 8 Do the No 5 to No 1 steps in reverse order CAUTION Supply DC power after checking that all the modules are in their original positions and the ribbon cables are plugged in If the ribbon cables are not plugged in enough especially the gray connectors the module could suffer damage Gray connector Black connector ...

Page 458: ...isplay off It checks that all LCDs and LEDs light on 10 Check the automatic supervision functions LCD not display Auto supervision screens in turn and Event Records Checking the IN SERVICE LED light on and ALARM LED light off w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 459: ... 458 6 F 2 S 0 8 3 4 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 460: ... 459 6 F 2 S 0 8 3 4 Appendix T Ordering w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 461: ... 110V 125Vdc 5A 60Hz 110V 125Vdc 1A 50Hz 220V 250Vdc 1A 60Hz 220V 250Vdc 5A 50Hz 220V 250Vdc 5A 60Hz 220V 250Vdc 1A 50Hz 48V 54V 60Vdc 1A 60Hz 48V 54V 60Vdc 5A 50Hz 48V 54V 60Vdc 5A 60Hz 48V 54V 60Vdc 1A 50Hz 24V 30Vdc 1A 60Hz 24V 30Vdc 5A 50Hz 24V 30Vdc 5A 60Hz 24V 30Vdc 1 2 3 4 5 6 7 8 A B C D E F G H Integral communication interface Electrical interface CCITT G703 1 2 1 Electrical interface CCI...

Page 462: ...d the description Modified the description and added Figure 3 3 10 1 Modified the description Modified the description and samples of LCD screens Modified the description Added Sections 6 5 1 8 and 6 5 1 9 Modified Appendix A C E H I K N O and R 0 2 Feb 1 2007 2 1 6 2 4 3 8 2 4 11 2 8 1 3 1 5 4 2 4 3 6 7 2 6 7 3 Appendices Deleted Section 2 1 6 Modified the description Modified the description and...

Page 463: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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