Toshiba GRZ100 B Series Instruction Manual Download Page 279

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278

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Signal list

421 UVGF-A

ditto

422 UVGF-B

ditto

423 UVGF-C

ditto

424

425 UVDF-A

VOLTAGE CHANGE DETECTION RELAY

426 UVDF-B

ditto

427 UVDF-C

ditto

428

429

430

431 52AND1

CB1 contact AND logic

432 52AND2

CB2 contact AND logic

433 LB

Selected live bus mode

434 DB

Selected dead bus mode

435 SYN

Selected Synchronism check mode

436 OVS1-AB

OVS1-AB relay element output

437 OVS1-BC

OVS1-BC relay element output

438 OVS1-CA

OVS1-CA relay element output

439 OVS2-AB

OVS2-AB relay element output

440 OVS2-BC

OVS2-BC relay element output

441 OVS2-CA

OVS2-CA relay element output

442 OVG1-A

OVG1-A relay element output

443 OVG1-B

OVG1-B relay element output

444 OVG1-C

OVG1-C relay element output

445 OVG2-A

OVG2-A relay element output

446 OVG2-B

OVG2-B relay element output

447 OVG2-C

OVG2-C relay element output

448 OVS1-AB INST

OVS1-AB relay element start

449 OVS1-BC INST

OVS1-BC relay element start

450 OVS1-CA INST

OVS1-CA relay element start

451 OVG1-A INST

OVG1-A relay element start

452 OVG1-B INST

OVG1-B relay element start

453 OVG1-C INST

OVG1-C relay element start

454 UVS1-AB

UVS1-AB relay element output

455 UVS1-BC

UVS1-BC relay element output

456 UVS1-CA

UVS1-CA relay element output

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 start

467 UVS1-BC INST

UVS1-BC relay element start

468 UVS1-CA INST

UVS1-CA relay element start

469 UVG1-A INST

UVG1-A relay element start

470 UVG1-B INST

UVG1-B relay element start

471 UVG1-C INST

UVG1-C relay element start

472 UVSBLK-AB

UVS BLK-AB relay element output

473 UVSBLK-BC

UVS BLK-BC relay element output

474 UVSBLK-CA

UVS BLK-CA relay element output

475 UVGBLK-A

UVG BLK-A relay element output

476 UVGBLK-B

UVG BLK-B relay element output

477 UVGBLK-C

UVG BLK-C relay element output

478

479

480 ARCMD OFF

Autoreclosing mode (Disable)

481 ARCMD SPAR

ditto (SPAR)

482 ARCMD TPAR

ditto (MPAR)

483 ARCMD S&T

ditto (SPAR & TPAR)

484 ARCMD EXT1P

ditto (EXT1P)

485 ARCMD EXT3P

ditto (EXT3P)

486 ARC-SET

output set signal in leader CB autoreclose

487 CB UNDRY.L ST

Starting signal for final trip with CB unready

488 TSUC1

ARC.L success reset signal

489 TSUC2

ARC.F success reset signal

490 ARC SUCCESS1

leader CB autoreclose success signal

Contents

No.

Signal Name

Summary of Contents for GRZ100 B Series

Page 2: ... be followed by important safety 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 avo...

Page 3: ...AUTION 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 power supply to the equipment check that they conform to the equipment ratings Printed circuit board Do not attach and remove printed circuit...

Page 4: ...of the model 400 and 500 series Disposal When disposing of this product do so in a safe manner according to local regulations This product contains a battery which should be removed at the end of life of the product The battery must be recycled or disposed of in accordance with local regulations The battery can be removed by withdrawing the Signal Processing module SPM from the relay case and cutt...

Page 5: ...tepped Distance Protection 24 2 4 2 Zone 1 Extension Protection 40 2 4 3 Command Protection 43 2 4 4 Directional Earth Fault Protection 60 2 4 5 Overcurrent Backup Protection 65 2 4 6 Thermal Overload Protection 69 2 4 7 Switch Onto Fault Protection 72 2 4 8 Stub Protection 73 2 4 9 Overvoltage and Undervoltage Protection 74 2 4 10 Broken Conductor Protection 81 2 4 11 Breaker Failure Protection 8...

Page 6: ...3 1 1 Outline of Hardware Modules 138 3 1 2 Transformer Module 145 3 1 3 Signal Processing Module 146 3 1 4 Binary Input and Output Module 147 3 1 5 Human Machine Interface HMI Module 152 3 1 6 Fault Detector Module 154 3 2 Input and Output Signals 155 3 2 1 Input Signals 155 3 2 2 Binary Output Signals 157 3 2 3 PLC Programmable Logic Controller Function 158 3 3 Automatic Supervision 159 3 3 1 Ba...

Page 7: ...ounting 218 5 3 Electrostatic Discharge 218 5 4 Handling Precautions 218 5 5 External Connections 219 6 Commissioning and Maintenance 220 6 1 Outline of Commissioning Tests 220 6 2 Cautions 221 6 2 1 Safety Precautions 221 6 2 2 Cautions on Tests 221 6 3 Preparations 222 6 4 Hardware Tests 223 6 4 1 User Interfaces 223 6 4 2 Binary Input Circuit 224 6 4 3 Binary Output Circuit 225 6 4 4 AC Input C...

Page 8: ... 7 6 F 2 S 0 8 4 6 6 7 2 Failure Tracing and Repair 257 6 7 3 Replacing Failed Modules 259 6 7 4 Resumption of Service 261 6 7 5 Storage 261 7 Putting Relay into Service 262 ...

Page 9: ...mmissioning Test Sheet sample 377 Appendix J Return Repair Form 383 Appendix K Technical Data 389 Appendix L Symbols Used in Scheme Logic 401 Appendix M Example of Setting Calculation 405 Appendix N IEC60870 5 103 Interoperability and Troubleshooting 417 Appendix O Programmable Reset Characteristics and Implementation of Thermal Model to IEC60255 8 429 Appendix P Inverse time Characteristics 433 A...

Page 10: ... Directional earth fault protection Directional earth fault protection utilizing telecommunications facilities The GRZ100 actuates high speed single shot autoreclose or multi shot autoreclose The GRZ100 provides the following metering and recording functions Metering Fault record Event record Fault location Disturbance record The GRZ100 provides the following menu driven human interfaces for relay...

Page 11: ...puts for tripping Model 202B 21 binary inputs 27 binary outputs 6 binary outputs for tripping Model 203B 24 binary inputs 41 binary outputs 6 binary outputs for tripping Model 204B 22 binary inputs 12 independent 19 binary outputs 3 binary outputs for tripping Model 205B 25 binary inputs 12 independent 23 binary outputs 3 binary outputs for tripping Model 206B 28 binary inputs 12 independent 37 bi...

Page 12: ...vercurrent element phase fault 9 9 9 9 9 EF EFI Overcurrent element earth fault 9 9 9 9 9 SOTF OCH Switch onto fault protection 9 9 9 9 9 VTF OVG UVF OCD VT failure supervision 9 9 9 9 9 PSBS PSBG Power swing blocking 9 9 9 9 9 OST Out of step tripping 9 9 9 9 9 BF Breaker failure protection 9 9 9 9 9 THM Thermal overload protection 9 9 9 OVS1 OVS2 OVG1 OVG2 UVS1 UVS2 UVG1 UVG2 Overvoltage undervo...

Page 13: ... the power system should be 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...

Page 14: ...the number of parts by using 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 oc...

Page 15: ... backup protection from failing 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 Re...

Page 16: ...itude or direction or by power 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...

Page 17: ... configuration Undesirable phenomena in a protection relay include mal operation mode whereby the relay operates erroneously when the power system is healthy or in the event of an external fault and failure to operate mode whereby the relay fails to operate for a power system fault To guard against the first mal operation mode a system that provides redundancy for hardware and issues a trip comman...

Page 18: ...lowing equations Vb Zs Ib Zm 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 seq...

Page 19: ...F the voltage at the relay 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...

Page 20: ... Z0m Z1 are not real numbers 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 equati...

Page 21: ...l B and the voltages at terminal 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...

Page 22: ... the fault point which means 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 Externa...

Page 23: ...stance line as shown in Figure 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 ...

Page 24: ...h effect Therefore it is necessary 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 ...

Page 25: ...for reverse faults respectively 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 an...

Page 26: ... 75 ZFS Z3Sθ Z4Sθ BNDS X Z1XG 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 Z1XG Z2G Z4G Z3G Z1G Z1Gθ1 Z1Gθ2 ZBGθ ZFG ZR2G ZR1G ZNDG BFRG BFLG BRLG BRRG ZNDG BNDG BNDG B G Blinder elements 75 R X Z1XS Z2S Z4S Z3S Z1S Z1Sθ1 Z1Sθ2 ZBSθ ZFS ZR2S Z...

Page 27: ...st 1 2 times the sum of the 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 ...

Page 28: ...double circuit lines zero sequence 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 carr...

Page 29: ...cted The latter is detected 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 con...

Page 30: ...e 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 prote...

Page 31: ...fault is performed under the 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...

Page 32: ...marks VT 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 01Ω 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 25...

Page 33: ...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 Required If...

Page 34: ...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 4 Zone 1 trip mode selection PSB Z1 OFF ON ON Z1 power swing blocking PSB Z2 OFF ON ON Z2 power swing blo...

Page 35: ...ht blinder BFRG BNDSθ 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 blind...

Page 36: ...rotection it is set to 120 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 ...

Page 37: ...hen zone F is used 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 g...

Page 38: ...imited to Z3 operating zone 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 BFRF Z3 ZF 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 tr...

Page 39: ...ted line I0m Zero sequence 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 react...

Page 40: ...ot provided Note The operation of Z1 or Z2 element is limited within the Z3 operating zone if the reach of Z1 or Z2 compensated with zero sequence current exceeds the reach of Z3 The operation of ZR1G is also limited within the reach of ZR2G 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 pro...

Page 41: ...communication is available this disadvantage can be solved by command protection If telecommunication is not available 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...

Page 42: ... Z1S When a power swing is detected PSB 1 and when a VT failure is detected VTF 1 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 TPAR SPAR TPAR ARC M PSB PSB Z1X ON VTF REC READY1 Z1X 1 Z1X_INIT 1540 Z1XG_BLOCK 1617 Z1...

Page 43: ...ired if BLZONE IND Z1XG 0 01 50 00Ω 0 01Ω 2 40Ω Zone 1 extension 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 right blinder reach for Z1XG 0 5 100 0Ω 0 1Ω 25 5Ω Required if BLZONE IND PROTECTION SCHEME 3ZONE Z1EXT PUP POP UOP BOP PO P DEF UOP DEF BOP DEF PUP DEF POP Scheme selection Autoreclose mode ARC M Disa...

Page 44: ...s tripping on condition that the local overreaching element has operated The overreaching element can be selected as either zone 2 or zone 3 Since the trip permission signal is sent only when it is sure 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 t...

Page 45: ...n operation of the overreaching elements can occur at a terminal far from the fault but they can operate if the other terminal trips Transmission of the trip permission signal continues for the setting time of TSBCT after reset of zone 1 and thus even the terminal for which the overreaching element has delayed picked up can also trip Setting The following shows the setting elements necessary for t...

Page 46: ...Logic Figure 2 4 3 2 shows the scheme logic for the POP The POP transmits a trip permission signal to the other terminal for any of the following conditions The forward overreaching zone 2 or zone 3 selected by scheme switch ZONESEL operates and the current reversal logic CRL has not picked up If the PLC signal PSCM_TCHDEN is established the delayed pick up timer TCHD is provided The circuit break...

Page 47: ...r to Section 2 4 1 Element Range Step Default Remarks 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 1...

Page 48: ...ng 2 Valid only when mho based characteristic is selected by ZS C and ZG C 3 Valid only when quadrilateral characteristic is selected by ZS C and ZG C The reverse looking Z4 G S BRR G S and BRL G S must always operate for reverse faults for which the forward overreaching element of the remote end operates The following setting coordination is required When zone 2 is selected as the forward looking...

Page 49: ...rent is reversed from an inward to an outward direction and from a non operating status to an operating status at the other terminal In this process if the operating periods of the forward overreaching 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 For the communication channe...

Page 50: ...ONESEL Z3 Z2 PSB CR 1 R1 CR TREBK 1 TECCB 0 00 200 00s t 0 TSBCT 0 00 1 00s 0 t 1 0 50ms 0 t TCHD PSCM_TCHDEN 1842 1 1 Figure 2 4 3 3 UOP Scheme Logic Setting The following shows the setting elements necessary for the UOP and their setting ranges For the settings of Z2 Z3 and UVC refer to Section 2 4 1 Element Range Step Default Remarks UVL Weak infeed trip element UVLS 50 100 V 1V 77V Undervoltag...

Page 51: ... to 75 Angle of reverse right blinder BRRS BRLS Interlinked with BRRS Reverse left blinder BRLS θ Interlinked with BFLS θ Angle of reverse left blinder BRLS Z4G θ 2 Interlinked with Z3G θ Characteristic angle of Z4 mho element Z4BG θ 3 Interlinked with ZBG θ Angle of Z4 directional element BRRG θ Fixed to 75 Angle of reverse right blinder BRRG BRLG Interlinked with BRRG Reverse left blinder BRLG θ...

Page 52: ...since no weak infeed logic is applicable to the BOP the weak infeed terminal cannot operate When a sequential fault clearance occurs for a fault on a parallel 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 the inward direction to outward di...

Page 53: ...00 10 00s 0 01s 0 10s 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 ZONESEL Z2 Z3 Z2 Overreaching element selection PSB CR OFF ON ON Power swing blocking 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 eleme...

Page 54: ...ransmission delay time 5ms includes delay time of binary output and binary input for the blocking signal 2 4 3 5Protection for Weak Infeed Terminal The POP and UOP are provided with an echo function and weak infeed trip function Both functions are used for lines with weak infeed terminals Figure 2 4 3 5 shows the scheme logic for the echo function With the POP when a trip permission signal is rece...

Page 55: ...ion Weak infeed tripping is executed on condition that a trip permission signal has been received R1 CR 1 for the POP and reception of a trip block signal has stopped R1 CR 0 for the UOP the undervoltage element UVL UVLS or UVLG operates and neither forward overreaching zone 2 or zone 3 nor reverse looking Z4 operates WKIT_BLOCK 1841 WIT WIT ZONESEL 250ms 0 t Z3 Z2 WKIT ON Z4 Z3 Z2 UVL R1 CR 1 1 C...

Page 56: ...he period from time t2 to t3 This current reversal phenomenon may occur with the presence of an external looped circuit if not for parallel lines Figure 2 4 3 7 b shows a sequence diagram of Z3 and Z4 and the current reversal logic CRL on healthy line L2 before and after the occurrence of a current reversal When the current is reversed Z3 operation and Z4 reset are seen at terminal A while reset o...

Page 57: ...nd 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 selection logic for single phase tripping Figure 2 4 3 9 gives details of the phase selection logic displayed in blocks in Figures 2 4 3 1 to 2 4 3 4 Tripping command signal TRIP of each command p...

Page 58: ...y PLC function refer to Section 3 2 3 A sending command signal CS to the signaling equipment should be output to the auxiliary relay BO13 through a logic level inversion circuit Logic level inversion of CS can be performed by BOSW switch or also by PLC function BO13 has one normally open contact In the BOP scheme a signal channel automatic test function is available Sending test signal SBT can be ...

Page 59: ...al from a receive signal to prevent false operation in case of a fault in the overreaching zone Therefore a multiplex channel is necessary Since the UOP and BOP transmit a trip block signal a simplex channel suffices A multiplex channel can also be applied The signal received from the protection signaling equipment is generally a single one while with frequency shift signaling two signals a trip s...

Page 60: ...d directional earth protection respectively If the scheme switch CH DEF is set to CH1 signal CH1 is shared by the both protections 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 4 3 11 Following table s...

Page 61: ... 194 1 DEF_TRIP DEFR_ TRIP 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 perio...

Page 62: ...yed 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 period by the distance protection CB DISCR 1 The signal CB DISCR is generated with the binary input signals PLC signals of circuit breaker auxiliary contact refer to Section 3 2 1 POP DEF UOP DEF BOP DEF PUP DEF ...

Page 63: ...neous operation or delayed operation by setting on delay timer TDEFF and TDEFR The DEF command protection is provided with an echo function and weak infeed trip function Both functions are used for lines with weak infeed terminals The echo function allows fast tripping of the terminal on which the DEFF has operated when applied to a line with an open terminal or a weak infeed earth fault current t...

Page 64: ...tage element UVL UVLS or UVLG operates The undervoltage element responds to three phase to phase voltages and three phase to ground voltages The undervoltage element prevents false weak infeed tripping due to spurious operation of the channel Single phase tripping or three phase tripping is also applicable to weak infeed tripping according to the reclosing mode of the autoreclose function The weak...

Page 65: ... output relay see Section 3 2 2 Setting The following setting is required for the DEF command protection Element Range Step Default Remarks DEFF Forward looking DEF DEFFI 0 5 5 0 A 0 1 A 1 0 A Residual current 0 10 1 00 A 0 01 A 0 2 A DEFFV 1 7 21 0 V 0 1 V 2 0 V Residual voltage TDEFF 0 00 0 30 s 0 01 s 0 15 s Delayed tripping DEFR Reverse looking DEF DEFRI 0 5 5 0 A 0 1 A 1 0 A Residual current ...

Page 66: ...FFEN 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 current values are in the case of 5 A rating The DEF element is shared with the command protection 2 4 5 Overcurrent Backup Protection Inverse ...

Page 67: ... A OCI B OCI C OC C_FS 1610 1 1 1 OCI B_FS 1613 OCI A_FS 1612 OCI C_FS 1614 M TRIP S TRIP S TRIP BU TRIP 1 EF TEF t 0 0 00 10 00s ON EFBT ON EFBTAL 1 EF_BLOCK 1627 EFI NOD DEFI 1 EFI_BLOCK 1628 60 61 EF_BU TRIP EFI_TRIP EF_ALARM 194 187 185 184 EF_INST_TP 1702 1 1 EF_TRIP 678 Figure 2 4 5 1 Overcurrent Backup Protection 2 4 5 1Inverse Time Overcurrent Backup Protection In a system in which the fau...

Page 68: ...rth fault EFI setting 0 10 1 00 A 0 01 A 1 00 A TEFI 0 05 1 00 0 01 0 50 EFI time setting TEFIR 0 0 10 0 s 0 1 s 0 0 s EFI definite time reset delay MEFI Long Std Very Ext Std EFI inverse characteristic selection DEFI OFF NOD F R OFF EFI directional control 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 scheme switches M...

Page 69: ...ust be set longer than the time from fault occurrence to reclosing of the circuit breaker This is to prevent three phase final tripping from being executed by the overcurrent protection during a single phase autoreclose cycle 2 4 5 2Definite Time Overcurrent Backup Protection In a system in which the fault current does not vary a great deal in relation to the position of the fault the advantages o...

Page 70: ... shown by equation 1 θ I I e AOL t 2 2 1 100 τ 1 where θ thermal state of the system as a percentage of allowable thermal capacity I applied load current IAOL allowable overload current of the system τ thermal time constant of the system The thermal state 0 represents the cold state and 100 represents the thermal limit which is the point at which no further temperature rise can be safely tolerated...

Page 71: ...hot condition where an overload is switched onto a system that has previously been loaded to 90 of its capacity Thermal Curves Cold Curve no prior load 0 01 0 1 1 10 100 1000 1 10 Overload Current Multiple of IAOL Operate Time minutes Thermal Curves Hot Curve 90 prior load 0 001 0 01 0 1 1 10 100 1000 1 10 Overload Current Multiple of IAOL Operate Time minutes Figure 2 4 6 1 Thermal Curves Scheme ...

Page 72: ...efault Remarks THM 2 0 10 0 A 0 40 2 00 A 0 1 A 0 01 A 5 0 A 1 00 A Thermal overload setting THM IAOL allowable overload current THMIP 0 0 5 0 A 0 00 1 00 A 0 1 A 0 01 A 0 0 A 0 00 A Previous load current TTHM 0 5 300 0 min 0 1 min 10 0 min Thermal time constant THMA 50 99 1 80 Thermal alarm setting Percentage of THM setting THMT Off On Off Thermal OL enable THMAL Off On Off Thermal alarm enable C...

Page 73: ...ng signal M TRIP for the operation of an overcurrent element OCH or distance measuring elements Z1 to ZND for 500 ms after the circuit breaker is closed CB OR 1 and or for 500ms after the undervoltage dead line detector resets The method of controlling the SOTF protection by CB closing and or by undervoltage dead line detection is selected by scheme switch SOTF DL Elements UVFS and UVLG provide un...

Page 74: ...t voltage for a fault in the stub area For a fault in the stub area under such conditions fast overcurrent protection is applied Scheme logic The scheme logic for the stub protection is shown in Figure 2 4 8 1 The stub protection performs three phase tripping on the condition that the line disconnector is open DS_N O_CONT 0 and the overcurrent element has operated OCH 1 CB condition STUB_CB can be...

Page 75: ...r definite time overvoltage 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 con...

Page 76: ...O 1 The inverse time protection 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 prot...

Page 77: ...1 OVS2_BLOCK 1857 OVS2_INST_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 OV...

Page 78: ...0 0 s OVG1 definite time delayed 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...

Page 79: ...s held for that period This does not apply following a trip operation 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 p...

Page 80: ...sed when used for load shedding Note The UVSBLK and UVGBLK must be set lower than any other UV setting values 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 BC_ALM NON UVSBLK 1 1 1 1 UVS2_BLOCK 1865 UVS2_INST_TP 1817 969 970 971 972 457 458 459 Figure 2 4 9 8 UVS2 Undervoltage Protection Figure 2 4 9 9 UVG...

Page 81: ... s UVS1 definite time delayed 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...

Page 82: ...e case of a single phase series 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...

Page 83: ...he overall system impedance 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 syste...

Page 84: ...01s 1 00 s BCD definite time 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 chec...

Page 85: ...ividual phase basis Figure 2 4 11 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 ...

Page 86: ... initiated by mistake and unnecessary tripping of the original breaker is unavoidable If the original breaker fails retrip has no effect and the OCBF continues operating and the TBF2 finally picks up A trip command BF TRIP is given to the adjacent breakers and the BFP is completed Figure 2 4 11 2 Sequence Diagram Fault CBF TRIP TBF2 RETRIP TBF1 OCBF Original breakers Adjacent breakers TRIP Retrip ...

Page 87: ...ercurrent element OCBF checks 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 11 2 and the reset time of the overcurrent element Toc in Figure 2 4 11 2 The...

Page 88: ...n in Figure 2 4 12 2 outputs 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 sw...

Page 89: ...tep Default Remarks OSTXF 1 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 pro...

Page 90: ... VTF1 The phase to phase undervoltage 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 c...

Page 91: ...sidual overcurrent 0 10 1 00 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 ...

Page 92: ... event of an earth fault during 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 b...

Page 93: ...lts can be protected with the command protection even during a power swing The PSB can be disabled or reset by the PLC signal PSB_BLOCK or PSB_F RESET Figure 2 4 14 3 shows the scheme logic to control the sending signal of PUP POP UOP or BOP 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 ...

Page 94: ...as the conditions mentioned above are established PSB CS 1 three phase tripping signal is output M TRIP 1 Reverse 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 M TRIP UOP BOP DOCN F 1 20ms 100ms 0 t 0 t OCDP PSB DET PSB TP ON DOCN R PSB CS 357 OCDP A 358 OCDP B 359 OCDP C 361 360 Figure 2 4...

Page 95: ...each is larger than the Z3 and Z4 respectively the PSBIN reach depends 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 ens...

Page 96: ... Default setting is 60ms In the following cases per phase based tripping is converted to three phase tripping When autoreclose is prohibited by a binary input signal ARC_BLOCK 1 When the tripping mode selection switch TPMODE is set to 3PH This applies to the GRZ100 model 100s which does not have autoreclose When the autoreclose mode selection switch ARC M is set to EXT3P PLC command 3P_TRIP is est...

Page 97: ...efault setting see Appendix D Setting The setting element necessary for the tripping output circuit and its setting range is as follows Element Range Step Default Remarks TPMODE 1PH 3PH 3PH Model 100 series The switch TPMODE is used to combine Model 100 series with external autoreclose equipment When the external autorelose is set to the single phase or single or three phase mode set the switch to...

Page 98: ...ault Reset time is adjustable by PLC function Default setting is 60ms The OCDF operates in response to load current if it is a steeply fluctuating one When the relay is used for a line with such a load current the OCDF can be disabled by short circuiting dedicated paired pins on the module with a receptacle All the FD elements have fixed operating threshold levels But if the earth fault current du...

Page 99: ...ther cases the nominal operating threshold level 10 of the rated current is kept Short circuit both of the pins 5 6 and 7 8 to disable the EFF The pins 1 2 for the J2 is used to set the rated frequency It is fixed before shipping Caution Do not change the pins 1 2 for the J2 Pairs of pins for J1 Pairs of pins for J2 Element Setting 1 2 3 4 5 6 7 8 1 2 3 4 OCMF Enabled Open Disabled Short OCDF Enab...

Page 100: ...Tripping Output Setting All the fault detection elements have fixed settings as follows Element Setting Remarks OCMF L1 0 1In L2 0 16In L3 0 26In L4 0 41In L5 0 66In L6 1 05In L7 1 68In In Rated current OCDF 0 1In EFF 0 1In 0 15 In 0 2 In UVGF 46V 0 8 100V 3 UVSF 80V 0 8 100V UVDF 0 93Vr Vr Pre fault voltage Checking output relay Tripping output relay A phase trip B phase trip C phase trip 60ms FD...

Page 101: ...ct the resistive reach of the 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 Z3...

Page 102: ... B S Blinder elements 75 a Phase fault element b Earth fault element Figure 2 5 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 5 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 T...

Page 103: ...ns that the fault is within the mho characteristic and the mho element will operate S1 V IZs S2 Vp where V fault voltage I fault current Zs zone reach setting Vp polarizing voltage Figure 2 5 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 ...

Page 104: ...memory is retained for two cycles after a fault occurs The polarizing voltage for 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 5 1 6 This together with voltage memory action enables zone 1 to perform tripping with a time delay as well as instanta...

Page 105: ...mposite characteristic is obtained only when the load current is transmitted from local to remote terminal When the load current flows from remote to local terminal or the load current 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...

Page 106: ...ing Z1θ2 tan 1 X RF Where X reactance component RF fault resistance Z1θ1 tan 1 ILmax ILmax IFmin ILmax maximum load current IFmin minimum fault current Blinder element The blinder element is commonly applicable to Z1 Z1X Z2 ZF Z3 ZR1 ZR2 and Z4 As shown in Figure 2 5 1 9 the blinder element provides the forward blinder and the reverse blinder The operating area of the forward blinder is the zone e...

Page 107: ...le to the offset mho element for the power swing blocking also has the same characteristics as BFR The characteristics of BRR and BRL are expressed 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 s...

Page 108: ...e Va A phase voltage V0 zero sequence voltage Vbc B to C phase voltage The polarizing voltage for the phase fault element has a memory action for the close up three phase fault Va and Vbc mentioned above are the 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 oc...

Page 109: ...zone characteristics Figure 2 5 1 12 Offset Directional Element The characteristic of the offset directional element is obtained by the following equation X R tanθ ZB where X reactance component of measured impedance R resistance component of measured impedance θ directional angle setting interlinked with directional element angle setting ZB offset reach setting fixed to 1 5Ω in 5A rating and 7 5Ω...

Page 110: ...he protected line the phase selection element will detect all single phase earth faults that have occurred on the protected line even with a strong source and the voltage drop is small As a result of current compensation the operating zone expands only in the direction leading the current by the line impedance angle Therefore the effect of current compensation is very small under load conditions w...

Page 111: ... decision is made using the following equation DEFF 3I0 cos φ θ Isf 3V0 Vsf DEFR 3I0 cos φ θ 180 Isr 3V0 Vsr where 3I0 residual current 3V0 residual voltage 3V0 polarizing voltage φ lagging angle of 3I0 to 3V0 θ characteristic angle setting lagging to polarizing voltage Isf Isr current setting Vsf Vsr voltage setting ...

Page 112: ... 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 5 4 1 IDMT Characteristics These characteristics are expressed by the following equations Long Time Inverse t T 120 I Is 1 Standard Inverse t T 0 14 I I...

Page 113: ...n resetting is delayed for a user definable period When the energising current falls 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 5 5 Out of Step Element OST The out of step element used for out of ste...

Page 114: ...ectors UVL and UVB and overvoltage detectors OVL and OVB for the line voltage and busbar 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 5 6 1 shows the characteristics of the synchronism check element used for the autor...

Page 115: ...etection element operates if the vectorial 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 detecti...

Page 116: ...egative sequence current and 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 fix...

Page 117: ...o earth voltage These detectors 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 v...

Page 118: ...he settings are fixed as shown in Table 2 5 10 1 as a ratio to the rated current In Table 2 5 10 1 Level Detector Settings Detector Operate Reset LD1 0 10 In 0 08 In LD2 0 16 In 0 13 In LD3 0 26 In 0 21 In LD4 0 41 In 0 33 In LD5 0 66 In 0 53 In LD6 1 05 In 0 84 In LD7 1 68 In 1 34 In In Rated current Figure 2 5 10 1 shows the characteristics of the OCMF element L1 L2 I 0 L7 L6 L5 L4 L3 D O P U 0 ...

Page 119: ...e following are the level detectors and the operation decision is made by comparing the current or voltage amplitude with the relevant setting Earth fault overcurrent element EFF The EFF measures the residual current and its detecting level is fixed at 10 of the rated current Undervoltage element UVSF and UVGF The UVSF measures a phase to phase voltage while the UVGF measures a phase to earth volt...

Page 120: ...R TPAR EXT1P and EXT3P by the 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 ph...

Page 121: ...ne and a half breaker busbar 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 evolvi...

Page 122: ...or Leader CB For Leader CB M TRIPA FT 1 0 1s 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 6 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 f...

Page 123: ...utoreclose is started the autoreclose is reset if all phases 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 bas...

Page 124: ... 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 6 2 3 Energizing Control Scheme Figure 2 6 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 SYN1 ope...

Page 125: ... 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 6 2 3 is output when all three phase voltages are...

Page 126: ...rks SPAR SPR L REQ CONSTANT_1 No condition TPAR TPR L REQ SYP ON Voltage and synchronism check Permanent fault When reclose onto a fault is activated when a permanent fault exists three phase final tripping 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 mu...

Page 127: ... the reclose onto a fault becomes 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 th...

Page 128: ...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 reclosing mode Center breaker Busbar breaker VL2 VL1 VB Protected l...

Page 129: ...e 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 10s t 0 TEVLV Multi phase trip ARC M TPAR SPAR TPAR 1 0 01 100s ...

Page 130: ... assigned to the following 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 autorec...

Page 131: ...ge VB in the busbar breaker 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 0...

Page 132: ...ck 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 with synchronism check only OFF Both breakers are re...

Page 133: ...F 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 direction VTPHSEL A B C A Phase of reference voltage VT RATE PH G PH PH PH G VT rating 3PH VT BUS LINE LINE Location of three phase VTs UARCSW P1 P2 P3 P1 User ARC...

Page 134: ... becomes large For the two breaker autoreclose the following additional settings are required Element Range Step Default Remarks VTs2 1 20000 1 2000 VT ratio for voltage and synchronism check SYN2 TSPR2 0 1 10 0s 0 1s 0 1s Dead time for single phase autoreclose of follower breaker TTPR2 0 1 10 0s 0 1s 0 1s Dead time for three phase autoreclose of follower breaker TRDY2 5 300s 1s 60s Reclaim time o...

Page 135: ... The fault locator cannot correctly measure the distance to fault during a power swing Fault location is enabled or disabled by setting Fault locator to ON or OFF on the Fault record screen in the Record sub menu 2 7 2 Distance to Fault Calculation 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 before and aft...

Page 136: ...tual 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 expressions when lines are treated as having lumped constants and these expressions are sufficient for lines within 100 km For lines exceeding 100 km influen...

Page 137: ...y side of CT and VT When there are great variations in the impedance of each phase equation 4 is used to find the positive sequence impedance zero sequence impedance and zero sequence mutual impedance while equation 5 is used to find 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 ...

Page 138: ...Ω 0 0 999 9 Ω 0 1 Ω 34 0Ω R0m 0 0 199 99 Ω 0 01 Ω 0 20Ω 0 0 999 9 Ω 0 1 Ω 1 0Ω X0m 0 0 199 99 Ω 0 01 Ω 2 00Ω 0 0 999 9 Ω 0 1 Ω 10 0Ω Kab 80 120 1 100 Kbc 80 120 1 100 Kca 80 120 1 100 Ka 80 120 1 100 Kb 80 120 1 100 Kc 80 120 1 100 Line 0 0 399 9 km 0 1 km 50 0km Line length from local terminal to junction if three terminal application FL Z0B OFF ON OFF ZOB L 0 0 199 99 Ω 0 01 Ω 2 00Ω 0 0 999 9 Ω ...

Page 139: ...ipment without the human machine interface module The GRZ100 consists of the following hardware 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 8 IO8 Binary input and output module 2 IO2 Human machine inte...

Page 140: ...301 Figure 3 1 1 3 Hardware Structure Model 202 205 302 VCT IO 3 IO 2 SPM IO 1 IO 1 IO1 Model 102 201 301 IO8 Model 204 IO 2 IO2 IO 3 IO3 Model 102 201 301 IO6 Model 204 VCT IO 2 SPM IO 1 IO 3 IO 1 IO1 Model 202 302 IO8 Model 205 IO 2 IO2 IO 3 IO4 Model 202 302 IO5 Model 205 ...

Page 141: ...ure Model 203 206 303 Figure 3 1 1 5 Hardware Structure Model 401 501 VCT IO 2 SPM IO 4 IO 1 IO 3 IO 1 IO1 Model 203 303 IO8 Model 206 IO 2 IO2 IO 3 IO4 Model 203 303 IO5 Model 206 IO 4 IO4 VCT IO 2 SPM IO 4 IO 1 IO 3 IO 1 IO1 IO 2 IO2 IO 3 IO4 IO 4 FD ...

Page 142: ...els Module 101 102 201 301 202 302 204 205 206 203 303 401 501 VCT SPM IO1 IO2 IO3 IO4 2 IO5 IO6 IO8 FD HMI Note The VCT and SPM modules are not interchangeable among different models The hardware block diagrams of the GRZ100 using these modules are shown in Figure 3 1 1 6 and Figure 3 1 1 8 ...

Page 143: ...igh speed 6 IO1 or 3 IO8 Binary I O Module IO 2 Binary output 14 RS485 Transceiver Binary input 3 Human Machine Interface HMI Liquid crystal display 40characters 4lines LEDs Monitoring jacks Operation keys RS232C I F Local PC Trip command or VT 5 VT 4 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 E...

Page 144: ... O Module IO 2 Binary output 14 RS485 Transceiver Binary input 3 Human Machine Interface HMI Liquid crystal display 40characters 4lines LEDs Monitoring jacks Operation keys RS232C I F Local PC Trip command or VT 5 VT 4 Auxiliary relay Photocoupler Auxiliary relay Photocoupler MPU1 Binary input 3 IO4 or 10 IO5 14 IO4 or 10 IO5 Auxiliary relay Photocoupler Binary I O Module IO 4 Binary output Binary...

Page 145: ...O Module IO 2 Binary output 14 RS485 Transceiver Binary input 3 Human Machine Interface HMI Liquid crystal display 40characters 4lines LEDs Monitoring jacks Operation keys RS232C I F Local PC Trip command or VT 5 VT 4 Auxiliary relay Photocoupler Auxiliary relay Photocoupler MPU1 Binary input 14 14 Auxiliary relay Photocoupler Fault Detector Module IO 4 Filter A D CPU Binary output High speed 2 Bi...

Page 146: ...VTs depending on the relay 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 m...

Page 147: ...t The nominal backup time of a lithium ion battery is one year at continuous use after the shipment from the factory The A D converter has a resolution of 16 bits and samples input signals at sampling frequencies of 2400Hz at 50Hz and 2880Hz at 60Hz The MPU1 carries out operations for the measuring elements and scheme logic operations for protection recording displaying and signal transmission con...

Page 148: ...ler circuits BI for binary 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 ...

Page 149: ...48 6 F 2 S 0 8 4 6 Auxiliary 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 Figure 3 1 4 2 IO8 Module DC supply ...

Page 150: ...n the DC circuit is detected 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...

Page 151: ... binary outputs The IO4 module 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 ...

Page 152: ...ary outputs The IO6 module 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 ...

Page 153: ...able Each is driven 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 model 100 200 and 300 series provide the scheme switch AOLED which controls whether the TRIP LED is lit or no...

Page 154: ... 153 6 F 2 S 0 8 4 6 100 110 115 120V 204B 21 10 Figure 3 1 5 1 Front Panel Light emitting diode Monitoring jack RS232C connector Operation keys Liquid crystal display ...

Page 155: ...I0 inputs The analog filter carries out low pass filtering for the corresponding current and voltage signals The A D converter has a resolution of 12 bits and samples input signals at sampling frequencies of 2400 Hz at 50 Hz and 2880 Hz at 60 Hz The MPU implements 60 MIPS and uses a RISC Reduced Instruction Set Computer type 32 bit microprocessor Once the fault detector measuring elements start op...

Page 156: ...earth A phase Current B phase Current C phase Current Residual Current 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 ...

Page 157: ... ready SPARE CB2 ready PROT BLCOK BI12 SPARE REC BLOCK Z1X INIT BI13 IND RESET BI14 M prot Trip BI15 M prot On BI16 EXT trip A EXT trip A BI17 EXT trip B EXT trip B BI18 EXT trip C EXT trip C BI19 SPARE CB2 A SPARE CB2 A OCI BLOCK BI20 SPARE CB2 B SPARE CB2 B EFI BLOCK BI21 SPARE CB2 C SPARE CB2 C OC BLOCK BI22 DEF BLOCK BI23 EXTTP BLOCK BI24 STUB BLOCK BI25 SOTF BLOCK BI26 ARC BLOCK BI27 CB1 READ...

Page 158: ...itrary combinations Signals can be combined 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 The GRZ100 can imple...

Page 159: ...and linked to signals 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 editor tool For...

Page 160: ...function For the terminology 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 ...

Page 161: ...uplicate Watchdog Timer A hardware timer 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 eq...

Page 162: ...annel test does not start BOP is not selected as the protection scheme Telecommunication equipment is out of service Scheme switch CHMON is set to Off Undervoltage elements operate Circuit breaker is open 3 3 5 Disconnector Monitoring The disconnector is monitored because a disconnector contact signal is used for the stub fault protection in a one and a half circuit breaker arrangement To monitor ...

Page 163: ...ff when set to ALM BLK 7 It is displayed only when manual testing 3 3 7 Trip Blocking When a failure is detected by the following supervision items the trip function is blocked as long as the failure exists and is restored when the failure is removed A D accuracy checking Memory monitoring Watch Dog Timer DC supply monitoring The trip function is valid when a failure is detected by tripping output...

Page 164: ...leted and the record of the latest fault is then stored Date and time of fault occurrence The 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...

Page 165: ...nitude and phase 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 paralle...

Page 166: ...sturbance recording is started 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 disturb...

Page 167: ...ase fault UVP G 0 76 V 1 V 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 exc...

Page 168: ... component current I1 I2 I0 Magnitude of parallel line zero sequence current I0m Percentage of thermal capacity THM except for model 400 and 500 series The ratio of negative to positive sequence current I2 I1 Active power and reactive power P Q Frequency Phase angles above are expressed taking the positive sequence voltage as a reference phase angle where leading phase angles are expressed as posi...

Page 169: ...shown in Figure 4 1 1 1 the 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 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 170: ...r change set values The function 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 th...

Page 171: ...n via BCU RTU Bay Control Unit Remote Terminal Unit to connect between relays and to construct a network communication system See Figure 4 4 1 in Section 4 4 In the case of the two port type one port COM1 can be used for the relay setting and monitoring RSM system or IEC60870 5 103 communication while the other port COM2 is used for IEC60870 5 103 communication only Screw terminal for RS485 ST con...

Page 172: ...pe B Figure 4 1 2 1 Locations of Communication Port 20 pin terminal block 36 pin terminal block IRIG BNC connector RS485 connection terminal RS485 connection terminal IRIG BNC connector RJ45 connector option RJ45 connector option ST connector for serial communication option ...

Page 173: ...turned off after five minutes Displays in tripping Ｌａｔｅｓｔｆａｕｌｔ０８Ｄｅｃ１９９７２２５６３８２５０ＰｈａｓｅＡＮＴｒｉｐＡＺ１ＣＲＴ５９３ｋｍ３８ If a fault occurs and a tripping command is initiated when the LCD is off the Latest fault screen is displayed on the LCD automatically and the red TRIP LED and if signals assigned to trigger by tripping other configurable LEDs light Press the VIEW key to display the digest sc...

Page 174: ...ress the RESET key to turn off the TRIP LED and LCD Displays in automatic supervision operation Ａｕｔｏｓｕｐｅｒｖｉｓｉｏｎ０８Ｄｅｃ１９９７２２５６ＤｌＯｅｒｒ If the automatic supervision function detects a failure while the LCD is off the Auto supervision screen is displayed automatically showing the location of the failure and the ALARM LED lights Press the VIEW key to display other digest screens in turn including...

Page 175: ...W 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 RESET key to turn off the LCD 4 2 2 Relay Menu Figure 4 2 2 1 shows the menu hierarchy in the GRZ100 The main menu has five sub menus ...

Page 176: ...ent Time sync source Clock 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 ...

Page 177: ... has password security 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...

Page 178: ... 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 sub menu R e c o 1...

Page 179: ... ｋＶＩ２ｋＡＶ０ｋＶＩ０ｋＡＩ０ｍｋＡＲａ Ω Ｘａ Ω Ｒｂ Ω Ｘｂ Ω Ｒｃ Ω Ｘｃ Ω Ｒａｂ Ω Ｘａｂ Ω Ｒｂｃ Ω Ｘｂｃ Ω Ｒｃａ Ω Ｘｃａ Ω ＴＨＭ０４Ｎｏｖ１９９７１５０９５９８１７ＴＰＡＲ１ＴＰＡＲ２０４Ｎｏｖ１９９７１５１００００２９Ｚ１ＣＲＴＦＴ１ＦＴ２ Date and Time Fault phase Tripping mode Fault location Power system quantities Relevant events Tripping phase The lines which are not displayed in the window can be displayed by pressing the and keys To clear fault records d...

Page 180: ...T r i p O n 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 l e a r a l l e v e n t r e c o r d s E N T E R Y e s C A N C E L N o Press th...

Page 181: ...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 telecommunicatio...

Page 182: ...t count to zero 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 for models 200 to 500 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 ...

Page 183: ...is 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 screen １Ｓｔａｔｕｓ１Ｍｅｔｅｒｉｎｇ２ＢｉｎａｒｙＩＯ３Ｒｅｌａｙｅｌｅｍｅｎｔ４Ｔｉｍｅｓｙｎｃｓｏｕｒｃｅ５Ｃｌｏｃｋａｄｊｕｓｔｍｅｎｔ６Ｄｉｒｅｃｔｉｏｎ Select 1 Metering to display the Metering screen...

Page 184: ...10 Output IO 4 BO1 BO2 BO3 BO4 BO5 BO6 BO7 BO8 BO9 BO10 BO11 BO12 BO13 BO14 Lines 1 to 4 show the binary input status BI1 to BI36 correspond to each binary input signal For the binary input signals see Appendix G The status is expressed with logical level 1 or 0 at the photo coupler output circuit IO 1 to IO 4 in the table indicate the name of the module containing the binary input circuits Lines ...

Page 185: ...ZR2G ZNDG ZS AB BC CA AB BC CA AB BC CA AB BC CA AB BC CA Z1S Z1XS Z2S Z3S Z4S ZS2 AB BC CA AB BC CA AB BC CA AB BC CA ZFS ZR1S ZR2S ZNDS BL AB BC CA AB BC CA A B C A B C BFS BRS BFG BRG OC A B C A B C A B C A B C A B C OCH OCD OC OCI OCDP DEF OV DEFF DEFR EFI EF OVG OV1 AB BC CA AB BC CA OVS1 OVS2 OV2 A B C A B C OVG1 OVG2 UV1 A B C AB BC CA AB BC CA A B C A B C UVC UVFS UVLS UVFG UVLG UV2 A B C ...

Page 186: ... clock the relay is synchronized with do the following Select 2 Status on the top MENU screen to display the Status screen Select 4 Time sync source to display the status of time synchronization sources ２ＴｉｍｅｓｙｎｃｈｒｏｎｉｚａｔｉｏｎｓｏｕｒｃｅＩＲＩＧＡｃｔｉｖｅＲＳＭＩｎａｃｔｉｖｅＩＥＣＩｎａｃｔｉｖｅ The asterisk on the far left shows that the inner clock is synchronized with the marked source clock If the marked source clock i...

Page 187: ... 4 1 13 4 2 5 Viewing the Settings The sub menu Setting view is used to view the settings made using the sub menu Setting change The following items are displayed Relay version Description Relay address in the RSM relay setting and monitoring system or IEC60870 5 103 communication Recording setting Status setting Protection setting Binary input setting Binary output setting LED setting Enter a num...

Page 188: ...hod There are three setting methods as follows To enter a selective number To enter numerical values To enter a text string To enter a selected number If a screen as shown below is displayed perform the setting as follows The number to the left of the cursor shows the current setting or default setting set at shipment The cursor can be moved to upper or lower lines within the screen by pressing th...

Page 189: ...ess the ENTER key to confirm the entry and the entered number blinks in reverse video After completing the setting on the screen press the END key to return to the upper screen To correct the entered number do the following If it is before pressing the ENTER key press the CANCEL key and enter the new number If it is after pressing the ENTER key enter the new number To enter numerical values When t...

Page 190: ...x y z 0 1 2 3 4 5 6 7 8 9 Set the cursor position in the bracket by selecting or and pressing the ENTER key Move the blinking cursor to a selecting character Press the ENTER key to enter the blinking character at the cursor position in the bracket on the top line Press the END key to confirm the entry and return to the upper screen To correct the entered character do either of the followings Disca...

Page 191: ...tting to set the password for the setting change 2 P a s s w o r d I n p u t n e w p a s s w o r d R e t y p e n e w p a s s w o r d Enter a 4 digit number within the brackets of Input new password and press the ENTER key For confirmation enter the same 4 digit number in the brackets of Retype new password and press the ENTER key Press the END key to display the confirmation screen If the retyped ...

Page 192: ...ther data do the following These data are attached to records Press 4 Setting change on the main MENU screen to display the Setting change screen Press 2 Description to display the Description screen 2 D e s c r i p t i o n 1 P l a n n a t e D e i 2 s c r i t p m o n To enter the plant name select 1 Plant name on the Description screen 3 P l a n t n a m e _ A B C D E F G H I J K L M N O P Q R S T ...

Page 193: ...mpensation value on SYADJ column for adjustment of time synchronization of protocol used lags the time leads the time And enter IP address for IP1 1 to IP1 4 Subnet mask for SM1 1 to SM1 4 and Default gateway for GW1 1 to GW1 4 IP address IP1 1 IP1 2 IP1 3 IP1 4 Subnet mask SM1 1 to SM1 4 and Default gateway GW1 1 to GW1 4 same as above Press the ENTER key CAUTION Do not overlap the number in a ne...

Page 194: ...ng the IEC60870 5 103 communication set to 1 Normal 4 2 6 5Setting the Recording To set the recording function as described in Section 4 2 3 do the following Press 4 Setting change on the main MENU screen to display the Setting change screen Press 4 Record to display the Record screen R e c o 1 r e c o r d 3 D i s t u r b a n c e 2 r a u t F l 2 E v e n t r e c o r d r e c o r d 4 A u t o m a t i ...

Page 195: ...med by RSM100 because the signal name cannot be entered by LCD screen Refer to Section 3 4 2 Setting the disturbance recording Press 3 Disturbance record to display the Disturbance record screen e 2 S c h e m s w i t c h 3 D i s t u r b a n c e r e c r o d g i s n a y 3 B i n r a l 1 R e c o r m t i e t s t a r e r d Press 1 Record time starter to display the Record time starter screen U V P G 0 7...

Page 196: ... Refer to Section 3 4 3 Setting the automatic testing Press 4 Automatic test interval to display the Automatic test interval screen 3 A u t o m a t i c t e s t i n t e r v a l 1 1 C h a n n 1 2 4 1 2 _ h r s Enter the test intervals of the signal channel 4 2 6 6 Status To set the status display described in Section 4 2 4 do the following Press 5 Status on the Setting change sub menu to display the...

Page 197: ...hat they are active on the Time synchronization source screen in Status sub menu If it is set to an inactive IRIG B RSM or IEC the calendar clock runs locally IEC is available only for relay model with IEC60870 5 103 communication Setting the time zone When the calendar clock is synchronized with the IRIG B time standard it is possible to transform GMT to the local time Press 3 Time zone to displa...

Page 198: ...ting to display the Change setting screen 3 C h a n g e s e t t i n g 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 Press the group number to change the settings and display the Protection screen In model 100 series 3 Autoreclose is not displayed ４ＰｒｏｔｅｃｔｉｏｎＧｒｏｕｐ１Ｌｉｎｅｐａｒａｍｅｔｅｒ２Ｔｒｉｐ３Ａｕｔｏｒｅｃｌｏｓｅ Setting ...

Page 199: ... X 0 0 m 0 9 9 9 9 2 0 Ω 0 0 L Z O B 0 0 9 9 9 9 0 1 0 Ω 0 1 0 B Z 0 0 0 0 0 Ω 0 9 9 9 9 1 R 1 0 K c b 1 0 2 8 0 0 1 0 K a c 1 0 2 8 0 0 1 0 K a 1 0 2 8 0 0 1 0 K b 1 0 2 8 0 0 1 0 K c 1 0 2 8 0 0 1 0 Enter the setting and press the ENTER key for each item Press the END key after completing the settings to return the display to the Line parameters screen Setting the protection function To set the ...

Page 200: ...o t e c t i o n s c h e m e 1 3 Z O N E 2 Z 1 E X T 3 P U P 4 P O P 5 U O P 6 B O P 7 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...

Page 201: ...ｆ１ＤＴ２ＩＤＭＴ０ＯＶＳ２ＥＮ０Ｏｆｆ１Ｏｎ０ＵＶＧ１ＥＮ０Ｏｆｆ１ＤＴ２ＩＤＭＴ０ＵＶＧ２ＥＮ０Ｏｆｆ１Ｏｎ０ＶＢＬＫＥＮ０Ｏｆｆ１Ｏｎ０ＢＣＤＥＮ０Ｏｆｆ１Ｏｎ０ＣＲＳＣＭ０Ｏｆｆ１Ｏｎ１ＣＨＳＥＬ１Ｓｉｎｇｌｅ２Ｇｕａｒｄ３Ａｎｄ１ＢＯＳＷ１Ｎｏｒｍａｌ２Ｉｎｖｅｒｓｅ１ＺＯＮＥＳＥＬ１Ｚ２２Ｚ３１ＥＣＨＯ０Ｏｆｆ１Ｏｎ１ＷＫＩＴ０Ｏｆｆ１Ｏｎ１ＣＨＤＥＦ１ＣＨ１２ＣＨ２１ＢＯＤＥＦＳＷ１Ａｃｔｉｖｅ２Ｉｎａｃｔｉｖｅ１ＢＦ１０Ｏｆｆ１Ｔ２ＴＯＣ０ＢＦ２０Ｏｆｆ１Ｏｎ０ＢＦＥＸＴ０Ｏｆｆ１Ｏｎ０ＯＳＴ０Ｏｆｆ１Ｔｒｉｐ２ＢＯ０ＴＨＭＴ０Ｏｆｆ１ ...

Page 202: ...ss 3 Protection element to 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 ...

Page 203: ...０００１０ Ω ＴＺ１Ｓ０００１００００００ｓＴＺＮＤＳ０００１００００００ｓＺ１Ｇ００１５０００００１ Ω Ｚ１ＸＧ００１５０００００１ Ω Ｚ１Ｇθ１０４５０ｄｅｇＺ１Ｇθ２４５９０９０ｄｅｇＢＦＲ１Ｇ０１０２００００１０ Ω ＢＦＲＸＧ０１０２００００１０ Ω Ｚ２Ｇ００１５０００００１ Ω ＢＦＲ２Ｇ０１０２００００１０ Ω ＺＦＧ００１１００００００１ Ω ＢＦＲＦＧ０１０２００００１０ Ω Ｚ３Ｇ００１１００００１００ Ω Ｚ３Ｇθ ４５９０６０ｄｅｇＺＢＧθ ０４５５ｄｅｇＢＦＲＧ０１０２００００１０ Ω ＢＦＬＧθ ９０１３５１２０ｄｅｇＺＲ１Ｇ０００５００００００...

Page 204: ...this screen ７ＰＳＢＯＳＴ１９ＰＳＢＳＺ０５０１５０００５０ 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 U...

Page 205: ... ６０１０ＶＵＶＣＺ００５００００ Ω ＵＶＣθ ４５９０６０ｄｅｇＵＶＦＳ５０１００５０ＶＵＶＬＳ５０１００５０ＶＵＶＦＧ１０６０１０ＶＵＶＬＧ１０６０１０ＶＯＣＤＰ０５１００４０ＡＯＶＳ１５０１５００１２００ＶＴＯＳ１Ｉ００５１０００１０００ＴＯＳ１０００３０００００１０ｓＴＯＳ１Ｒ００３０００００ｓＯＳ１ＤＰ１０９８９５ＴＵＧ２０００３０００００１０ｓＶＧＢＬＫ５０２００１００ＶＢＣＤ０１０１０００２０ＴＢＣＤ０００３０００００００ｓＴＨＭ２０１００５０ＡＴＨＭＩＰ００５０００ＡＴＴＨＭ０５３０００１００ｍｉｎＴＨＭＡ５０ ...

Page 206: ...d and so do not need to be 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 ...

Page 207: ... t o r e c o s e e l e m e 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...

Page 208: ... p A 1 8 B 1 8 Enter the group 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 Bina...

Page 209: ... shown The screen differs 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 si...

Page 210: ... 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 Setting ...

Page 211: ... F can be disabled by setting 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 duri...

Page 212: ...the top MENU screen to display the Test screen 1 T e s t 1 S w i t c h 2 M a n u a l t e s t 3 B i n a r y o t p u t 4 T i m e r 5 L o g i c c i r c u i t Press 1 Switch to display the Switch screen Enter 0 for A M F to disable the automatic monitoring function and enter 1 for Z1S 1PH to enable the test to use a single phase voltage source 2 S w i t c h 1 8 A M F 1 Z 1 S 1 H D O C N C 0 O f f T H ...

Page 213: ...g the thermal overload element and press the ENTER key Press the END key to return to the Test screen UVTEST Enter 0 Off or 1 On to set disable enable the UV blocking UVBLK and press the ENTER key Press the END key to return to the Test screen 4 2 7 2Manual Testing The automatic test of the telecommunication circuit can be performed manually by key operations The manual test performed here is also...

Page 214: ...e to forcibly operate all binary output relays for checking connections with the external devices Forced operation can be performed on one or more binary outputs at a time for each module Press 2 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 installed depending on the model Enter the select...

Page 215: ...onding 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 and output...

Page 216: ...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 the monitoring jacks is disabled ...

Page 217: ...ual PC INTERFACE RSM100 Figure 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 c...

Page 218: ...e also used through the optional fibre optical interface The relay connection is similar to Figure 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 recor...

Page 219: ...cket and smaller bracket on 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 sens...

Page 220: ...ted circuit board or connectors Do not pass the module to another person without first ensuring you are both at the same electrostatic potential Shaking hands achieves equipotential Place the module on an anti static surface or on a conducting surface which is at the same potential as yourself Do not place modules in polystyrene trays It is strongly recommended that detailed investigations on elec...

Page 221: ...at there is no hardware defect 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 requi...

Page 222: ...he power is on do not connect 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 ...

Page 223: ...s see the following appendixes 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 speci...

Page 224: ...en the LCD is off and check 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 M...

Page 225: ...I O 1 0 0 0 0 0 0 0 0 0 0 0 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 Ap...

Page 226: ...responding to each module to 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 ...

Page 227: ...power supply 13 14 TB1 2 1 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 ini...

Page 228: ...gic circuit screen of the Test 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 imp...

Page 229: ... 3 4 A16 A17 E TB4 Vc Vb Ia Ib GRZ100 DC power supply Monitoring jack A 0V IT 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...

Page 230: ...case 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 the characteristic angle 90 when testing IT θ 90 Vb Vc Va Z1S Z1XS Z2S ZFS ZNDS Z3S and PSB θ 180 IT Vb Va Vc ZR1S ZR2S and Z4S Adjust the magnitude of Va and Vb while retaining the conditions above and measure the voltage Va at which the element operates...

Page 231: ... 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 boundary ...

Page 232: ...esting Earth Fault Element Earth fault elements and their output signal number 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 k...

Page 233: ...ced and IT lags Va by θ or θ 180 θ is the characteristic angle 90 when testing θ 180 ZR1G ZR2G andZ4G IT Vb Vc Va Z1G Z1XG ZFG ZNDG 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 mea...

Page 234: ...ach 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 boundary defined by the Z1G θ2 setting and either the load blinder or mho settings as appropriate 6 5 1 2Out o...

Page 235: ...shown in parentheses are in 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 ...

Page 236: ...and current phase relation as shown below That is Va lags Vc by 90 Vb Va and IT is in phase with Va 90 IT Vb Va Vc 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 volta...

Page 237: ...ay the Logic circuit screen 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 th...

Page 238: ... their output signal number are listed below 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 sin...

Page 239: ...ng DOCNF Press 1 Switch on the Test screen to display the switch screen and enter 1 for DOCN C 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 ...

Page 240: ...en 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 current should be between 1 2 Is to 20 Is where Is is the current setting Calculate the ...

Page 241: ...rent 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 element BCD The testing circuit is shown in Figure 6 5 1 5 Three phase Current source TB1 2 1 3 4 6 5 Ia Ib GRZ100 A16 B17 E...

Page 242: ...onitoring 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 5 1 Operating value test of OVS1 OVS2 OVG1 OVG2 Apply a rated voltage as shown in Figure 6 ...

Page 243: ...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 case when VT RATE is set to PH PH Figure 6 5 1 7 Testing Sy...

Page 244: ...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 that it is within 5 of the setting OVL2 and UVL2 Adjust the magnitude of voltage applied to terminal 17 and 18 and measure the value at which the element operat...

Page 245: ...me step as testing SYN1 6 5 1 11 Current Change Detection Elements OCD and OCDP The test circuit is shown in Figure 6 5 1 8 Single phase current source A TB1 DC voltmeter TB4 1 2 A16 A17 E GRZ100 DC power supply Monitoring jack A 0V Figure 6 5 1 8 Testing Current Change Detection Element The output signal number of the OCD and OCDP is as follows Measuring element Signal number OCD A 63 OCD B 64 OC...

Page 246: ...ed 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 Residual voltage UVFS AB 69 A to B phase voltage UVFG A 75 A phase voltage UVLS AB 72 A to B phase voltage UVLG A 78 A phase voltage OCBF A 81 A phase curr...

Page 247: ...o display the following screen 2 P r e s s E N T E R t o o p e r a t e C A N C E t o c 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 ...

Page 248: ...and recordings 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 ki...

Page 249: ...hree phase tripping depending on 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 Command Protection The followings are described as default setting for binary inputs and binary outputs PUP tripping Set the scheme switch SCHEME to PUP Energize the binary input BI4 Trip s...

Page 250: ...input BI14 to simulate trip block signal reception and apply a zone 2 fault Check that UOP tripping does not occur Check that binary output relay BO13 operates in the normal condition Apply a zone 2 fault and check that the BO13 resets Set the scheme switch ECHO to On De energize the binary inputs BI1 BI2 and BI3 to simulate the breaker being open Check that binary output relay BO13 resets when th...

Page 251: ...e adjacent circuit breaker trip signal is generated after the time setting of the TBF2 Out of step tripping Set the scheme switch OST to On To simulate out of step the impedance seen by the OST element must be moved slowly from the first quadrant to the second quadrant or vice versa The following shows the case of the former Press 5 Logic circuit on the Test screen to display the Logic circuit scr...

Page 252: ...ent operates and PSBSIN element and residual overcurrent element EFL do not operate for a period of TPSB setting or more Power swing detection is checked as follows Press 5 Logic circuit on the Test screen to display the Logic circuit screen Enter signal number 176 for the TermA line to observe the power swing blocking signal at monitoring jack A and press the ENTER key Apply a phase fault which i...

Page 253: ...ed while testing the protection 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 locat...

Page 254: ... direction can be set positive for either power sending or power receiving The default setting is power sending And or open the following Direction screen from the Status sub menu to check the direction of load current See Section 4 2 4 6 ２ＤｉｒｅｃｔｉｏｎＰｈａｓｅＡＦｏｒｗａｒｄＰｈａｓｅＢＦｏｒｗａｒｄＰｈａｓｅＣＦｏｒｗａｒｄ Check that the phase rotation is correct Verify the phase relationship between the voltage and curren...

Page 255: ...Binary I O screen from the Status sub menu Position BI4 indicates a receive signal status Position BI5 indicates the status of the guard signal in case of frequency shift signaling 2 B i n a r y i n p u t o u t p u t 3 8 I n p u t I O 1 0 0 0 0 0 0 0 0 0 0 0 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 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...

Page 256: ... 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 s 1 o o p e r a t e C A N C E t o c a n c e l L P r e s s n i g t Keep pressing the 1 key to operate the output relay TP A1 and check that the A phase breaker is tripped Release the 1 key to reset the operation Repeat the above for all the phases Re...

Page 257: ...tails 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 C E t 1 o c a n c e l L P r e s s i n g Keep pressing the 1 key to forcibly operate the output relay BO10 and check that the...

Page 258: ...of the IO module as the default 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 2 1 This table shows the relationship between message displayed on the LCD and estimated failure location The location marked with 1 has ...

Page 259: ...AM err EEPROM err A D err V0 err 2 1 2 V2 err 2 1 2 I0 err 2 1 2 CT err 2 2 1 DIO err 2 1 1 1 1 1 1 RSM err 1 2 FD checksum err 2 1 1 FD ROM RAM err 2 1 1 FD SRAM err 2 1 1 FD Sampling err 2 1 1 FD DO err 2 1 1 FD ROM data err 2 1 1 FD Unbalanced err 2 1 1 FD A D err 2 1 1 FD stopped 2 1 DS fail 2 2 1 Ch fail 2 2 2 1 VT fail 2 1 No working of LCD 2 1 The location marked with 1 has a higher probabi...

Page 260: ...ote 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 ...

Page 261: ...nplug the ribbon cable on the 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 pan...

Page 262: ...acing 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 was r...

Page 263: ...k are correct In particular when settings are changed temporarily for testing be sure to restore them Clear any unnecessary records on faults events and disturbances which are recorded 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 ...

Page 264: ... 263 6 F 2 S 0 8 4 6 Appendix A Block Diagram ...

Page 265: ...or ZND CB STUB scheme logic Isolator Trip MCB trip of VT Phase Selection SOTF scheme logic 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 EF Back up Trip OC Back up Trip TDEF t 0 TEF t 0 1 Signal receive 1 t 0 t 0 t 0 t 0 DEFF DEFR EF OCI EFI TOC t 0 t 0 OC 1 0 ZR1G t TZR1G 0 ZR2G t TZR2G 0 ZNDG t TZNDG TZ...

Page 266: ... Selection SOTF scheme logic 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 EF Back up Trip OC Back up Trip TDEF t 0 TEF t 0 1 Signal receive 1 t 0 t 0 t 0 t 0 DEFF DEFR EF 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...

Page 267: ...Selection SOTF scheme logic 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 EF Back up Trip OC Back up Trip TDEF t 0 TEF t 0 1 Signal receive 1 t 0 t 0 t 0 t 0 DEFF DEFR EF 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 ...

Page 268: ...me 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 EF Back up Trip OC Back up Trip TDEF t 0 TEF t 0 1 Signal receive 1 t 0 t 0 t 0 t 0 DEFF DEFR EF 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 THM THM Trip EFL UVPWI 1 TDER t 0 t ...

Page 269: ...B 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 EF Back up Trip OC Back up Trip TDEF t 0 TEF t 0 1 Signal receive 1 t 0 t 0 t 0 t 0 DEFF DEFR EF 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 THM THM Trip EFL UVPWI 1 TDER ...

Page 270: ...ed 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 EF Back up Trip OC Back up Trip TDEF t 0 TEF t 0 1 Signal receive 1 t 0 t 0 t 0 t 0 DEFF DEFR EF 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 THM THM Trip EFL UVPWI 1 TDER t 0 t 0 t 0 1 DEF Back up Trip TBCD t...

Page 271: ... 270 6 F 2 S 0 8 4 6 ...

Page 272: ... 271 6 F 2 S 0 8 4 6 Appendix B Signal List ...

Page 273: ...BC ditto 39 Z1XS CA ditto 40 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...

Page 274: ...NTACT 3PHASE OR 103 Z1G AX 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 ...

Page 275: ... PSB Z1X PSB FOR ZONE1X RELAY 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 T...

Page 276: ... O P FOR BUS CB 241 TRIP B1 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...

Page 277: ...R FT MULTI REC FINAL TRIP 309 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...

Page 278: ...1 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 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 LEVE...

Page 279: ...A UVS1 CA relay element output 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 ...

Page 280: ...525 BI13 COMMAND Binary input 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 Binar...

Page 281: ...B ditto 599 ZNDG C ditto 600 601 602 603 604 605 606 607 608 609 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 P...

Page 282: ...664 ZR2GOR ZR2G RELAY OR LOGIC 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_TR...

Page 283: ... TRIP A ph 735 POUP TRIP B 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 F...

Page 284: ...D ZG A ph 801 C R SEND B DISTANCE 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 C...

Page 285: ...UCAR MODE Back up carrier mode 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 9...

Page 286: ...CF Ch2 comm fail for 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 A...

Page 287: ...lay element delayed reset 993 OV UV_TRIP OV UV trip 994 C CHK_INI_M Carrier channel testing start manual 995 C HCK_INI_A ditto automatic 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...

Page 288: ...COM8 R1 ditto 1096 COM9 R1 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...

Page 289: ...to 1149 COM14 R2 ditto 1150 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 ...

Page 290: ...MDBLK monitor direction blocked 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...

Page 291: ...BI4_COM_UF Binary input signal 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 unfi...

Page 292: ... 1345 1346 1347 1348 1349 1350 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 ...

Page 293: ...LED4 ON 1418 1419 1420 1421 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 chan...

Page 294: ...checksum error 1488 1489 COM_DPRAMerr1 DP RAM memory monitoring 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_lev...

Page 295: ... phase 1555 1556 EXT_TRIP 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 se...

Page 296: ...S trip block command 1633 Z1XS_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 mon...

Page 297: ...nstantly trip command 1704 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 ...

Page 298: ...C R2 ditto 1767 1768 1769 1770 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 T...

Page 299: ...rement 1834 TPR F2 REQ Follower TPAR requirement 1835 1836 1837 1838 ARC L_TERM Leader terminal of Autoreclosing 1839 ARC F_TERM Follower terminal of Autoreclosing 1840 ECHO_BLOCK Echo carrier block command 1841 WKIT_BLOCK Week infeed trip block command 1842 PSCM_TCHDEN TCHD timer enable command for PUP POP UOP scheme 1843 1844 1845 1846 1847 1848 BCD_BLOCK BCD trip block command 1849 DEFF_BLOCK D...

Page 300: ...to 2057 COM10 S ditto 2058 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 21...

Page 301: ...2626 F RECORD3 Fault record 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 gro...

Page 302: ...68 2669 2670 2671 2672 2673 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 2...

Page 303: ...MP010 2826 TEMP011 2827 TEMP012 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...

Page 304: ...2 2888 TEMP073 2889 TEMP074 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 TEM...

Page 305: ...2 2958 TEMP143 2959 TEMP144 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 TEM...

Page 306: ...TEMP213 3029 TEMP214 3030 TEMP215 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 30...

Page 307: ... 306 6 F 2 S 0 8 4 6 ...

Page 308: ... 307 6 F 2 S 0 8 4 6 Appendix C Variable Timer List ...

Page 309: ... CARRIER TRIP DELAY TIMER CARR 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...

Page 310: ... 309 6 F 2 S 0 8 4 6 Appendix D Binary Input Output Default Setting List ...

Page 311: ... BI8 DS N C DS N C BI9 Carrier block Carrier block BI10 SPARE CB1 ready IND RESET BI11 SPARE SPARE CB2 ready SPARE CB2 ready PROT BLCOK BI12 SPARE REC BLOCK Z1X INIT BI13 IND RESET BI14 M prot Trip BI15 M prot On BI16 EXT trip A EXT trip A BI17 EXT trip B EXT trip B BI18 EXT trip C EXT trip C BI19 SPARE CB2 A SPARE CB2 A OCI BLOCK BI20 SPARE CB2 B SPARE CB2 B EFI BLOCK BI21 SPARE CB2 C SPARE CB2 C...

Page 312: ...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 TRIP A1 TRIP B1 TRIP C1 CAR Z1G Z1S_ TRIP BU_TRIP SOTF STUB_TRIP BURECLK CBF_TRIP CHF EXT_CAR S Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Distance or DG carrier Z1G Z1S trip Back up ...

Page 313: ...CB Trip O P or 240 241 242 240 241 242 240 241 242 238 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 IO 2 BO1 BO2 BO3 BO4 BO5 BO6 BO7 BO8 BO9 BO10 BO11 BO12 BO13 TB2 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 CAR Z1G Z1S_ TRIP Z2G Z3G ZR1G Z2S Z3S ZR1S_ TRIP EF_BU TRIP SOTF STUB_TRIP BURECLK CBF_TRIP ARC1 VTF_ALARM CHF CBF_DET EXT_CAR S Tr...

Page 314: ...O9 BO10 BO11 BO12 BO13 BO14 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 TRIP OR Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip...

Page 315: ...trip OC back up trip DEF back up trip 238 154 157 163 166 327 184 326 677 1 1 1 1 1 1 1 1 1 1 1 1 IO 2 BO1 BO2 BO3 BO4 BO5 BO6 BO7 BO8 BO9 BO10 BO11 BO12 BO13 TB2 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 Z1S_TRIP Z2G Z2S_TRIP Z3G Z3S_TRIP TRIP OR BU_TRIP TRIP OR Z2G Z2S OR VTF_ALARM EF_TRIP STUB_TRIP SOTF_TRIP EXT_CAR S EXT_CAR S Z1G Z1S trip Z2G Z2S ...

Page 316: ...5 A6 B6 A7 B7 A8 B8 A9 B9 A10 B10 TRIP OR Z2G Z3G Z2S Z3S OR 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 Rec output for bus CB Rec output for bus CB Back up trip Lead rec in progress 238 154 157 163 166 327 184 326 677 291 291 194 285 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1...

Page 317: ...r bus center CB Trip O P or 240 243 241 244 242 245 240 243 241 244 242 245 240 243 241 244 242 245 238 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 IO 2 BO1 BO2 BO3 BO4 BO5 BO6 BO7 BO8 BO9 BO10 BO11 BO12 BO13 TB2 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 2 TRIP B1 2 TRIP C1 2 CAR Z1G Z1S_ TRIP Z2G Z3G ZR1G Z2S Z3S ZR1S _ TRIP EF_BU TRIP SOTF STUB_TRIP ...

Page 318: ...BO10 BO11 BO12 BO13 BO14 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 A2 TRIP B2 TRIP C2 TRIP A2 TRIP B2 TRIP C2 TRIP OR TRIP OR Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for center CB Trip O P for center CB T...

Page 319: ...91 172 253 199 225 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 0 FAIL A12 B12 RELAY FAILURE IO 4 BO1 BO2 BO3 BO4 BO5 BO6 BO7 BO8 TB3 A1 B1 A2 B2 A3 B3 A4 B4 A10 B10 A11 B11 A12 B12 A13 B13 FD FD TRIP A1 TRIP B1 TRIP C1 TRIP A1 TRIP B1 TRIP C1 FD trip OR FD trip OR Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB Trip O P for bus CB 250 250 2...

Page 320: ... 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 4 BO1 BO2 BO3 BO4 BO5 BO6 BO7 BO8 TB3 A1 B1 A2 B2 A3 B3 A4 B4 A10 B10 A11 B11 A12 B12 A13 B13 FD FD TRIP A1 2 TRIP B1 2 TRIP C1 2 TRIP A1 2 TRIP B1 2 TRIP C1 2 FD trip OR FD trip OR Trip O P for bus center CB Trip O P for bus center CB Trip O P for bus center CB Trip O P for bus center CB Trip O P for bus center CB Trip...

Page 321: ... 320 6 F 2 S 0 8 4 6 ...

Page 322: ... 321 6 F 2 S 0 8 4 6 Appendix E Details of Relay Menu and LCD Button Operation ...

Page 323: ... CANCEL No 2 Disturbance record 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 1...

Page 324: ...vent record 3 Disturbance record 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 switch 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 z...

Page 325: ...ommand trip 6 OC DEF UV 3 14 OCH 2 0 A TPSB 40 ms OCBF 0 5 A TBF1 50 ms TBF2 50 ms DEFFI 0 5 A 6 Distance 3 Z1S 0 01 Ω Z1Sθ1 0 deg Z1Sθ2 90 deg Z1XS 0 01 Ω Z2S 0 01 Ω Z3S 1 0 Ω 6 PSB OST 3 4 PSBSZ 0 50 Ω PSBGZ 0 50 Ω TPSB 40 ms OSTR1 1 0 Ω OSTR2 1 0 Ω OSTXF 0 2 Ω 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 AR...

Page 326: ... 24 12 _ hrs a 1 2 Binary output 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 Passw...

Page 327: ...IND 1 6 Protection element Group 1 1 Distance 2 PSB OST 3 OC DEF UV 4 Command trip 7 OC DEF UV 1 21 OCH 2 0 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 ...

Page 328: ...element Group 1 1 Autoreclose 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 ti...

Page 329: ...ing 2 Binary output 1 IO 1 2 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 Press ENTER to operate Press CANCEL to cancel 3 BO Operating Press END to reset 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 Log...

Page 330: ...D 4 AUTOMATIC TEST 2 STATUS 1 METERING 2 BINARY INPUT OUPUT 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 ...

Page 331: ... 330 6 F 2 S 0 8 4 6 ...

Page 332: ... 331 6 F 2 S 0 8 4 6 Appendix F Case Outline Case Type A Flush Mount Type Case Type B Flush Mount Type Case Type A B Rack Mount Type ...

Page 333: ... Terminal block Case Type A Flush Mount Type for Model 101 102 201 204 301 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 34 75 190 5 260 6 2 235 4 223 4 φ5 5 220 216 E CN1 TB1 TB2 TB4 TB3 266 254 276 2 2 32 28 ...

Page 334: ...t Terminal block Case Type B Flush Mount Type for Model 202 203 205 206 302 303 401 501 TB2 TB5 M3 5 Ring terminal TB1 M3 5 Ring terminal TB1 1 2 19 20 TB2 TB5 A1 B1 A18 B18 E CN1 TB5 TB4 TB3 TB2 TB1 326 330 266 364 34 75 190 5 260 6 2 345 4 333 4 φ5 5 276 2 2 32 28 ...

Page 335: ...Top View 2 6 5 9 3 7 7 100 110 115 120V Front View Rack Mount Type Case Type A for Model 101 102 201 204 301 279 Attachment kit large bracket Attachment kit small bracket Attachment kit top bar 4 HOLES 6 8x10 3 465 1 483 0 ...

Page 336: ... 4 6 Top View Front View Rack Mount Case Type B for Model 202 203 205 206 302 303 401 501 279 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 ...

Page 337: ...9 247 8 a Large Bracket 265 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 ...

Page 338: ...p 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 Dimensions of Attachment Kit EP 102 132 265 9 137 8 265 9 19 4 18 8 326 18 ...

Page 339: ...wing the three screws respectively then remove 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 ...

Page 340: ... 339 6 F 2 S 0 8 4 6 Appendix G Typical External Connections ...

Page 341: ...5 A6 B5 B6 A7 A8 B7 B8 TB2 A1 B1 BO1 BO2 BO4 BO5 BO6 BO7 BO8 A9 B9 BO9 A10 B10 BO10 IO 1 IO 2 TB3 TB4 TB1 B18 A18 B1 A1 IO 1 Terminal Block Arrangement Rear view VCT IO 2 A18 A1 B18 1 2 19 20 CN1 E TB2 B10 B1 IO 3 1 1 These connections are connected by short bars before shipment Single port Ethernet LAN I F option T COM2 B COM2 A TB3 A18 A17 A16 B18 B17 B16 COM2 0V COM1 B COM1 A COM1 0V RS485 I F ...

Page 342: ...se connections are connected by wire link before shipment Single port Ethernet LAN I F option T TB3 TB4 TB1 B18 A18 B1 A1 IO 1 Terminal Block Arrangement Rear view VCT IO 2 A18 A1 B18 1 2 19 20 CN1 E TB2 B10 B1 IO 3 CB1 C Disconnector N C contact Carrier protection block External VT failure EXT VTF CB ready condition Autoreclose block REC BLOCK Indication reset Main protection ON EXT trip A EXT tr...

Page 343: ... protection ON EXT trip A EXT trip B EXT trip C CB1 A CB auxiliary contacts Closed when bus CB main contact closed CB1 B Signal receive CH2 or Z1 EXT initiation External trip signals CBF Initiation Signal receive CH1 Default setting Disconnector N O contact Main protection trip DD FAIL TB4 A16 B18 A18 E B17 B16 A17 DC SUPPLY CASE EARTH DC DC RELAY FAIL 1 B15 A15 1 1 These connections are connected...

Page 344: ...8 BI12 BI9 BI5 BI6 BI7 BI3 BI4 BI13 BI14 BI15 BI16 BI17 BI18 IO 1 IO 2 Single port TB5 A14 B14 B15 A15 BI19 BI20 BI21 IO 3 TB3 A14 B14 B15 A15 BI34 BI35 BI36 IO 4 Ethernet LAN I F option T IO 3 TB1 TB2 TB3 TB4 TB5 VCT IO 4 IO 2 IO 1 Terminal Block Arrangement Rear view A18 A1 B18 B1 1 2 19 20 CN1 E CB1 C Disconnector N C contact Carrier protection block External VT failure EXT VTF CB ready conditi...

Page 345: ... before shipment Single port Ethernet LAN I F option T 19 20 TB3 TB4 TB1 TB2 IO 3 IO 1 Terminal Block Arrangement Rear view VCT IO 2 B10 A18 A1 B18 B1 1 2 CN1 E T To parallel line Signal receive CH1 DEF block CB1 contacts Closed when CB main contact closed CB1 B EXT trip A EXT trip B EXT trip C Default setting CB1 A CB1 C Carrier block Disconnector N C contact Protection block External VT failure ...

Page 346: ...I10 A12 A13 B14 BI11 B15 BI12 A14 A15 IO 1 B14 BI17 BI16 TB2 A14 A15 BI18 B15 IO 2 To parallel line Signal receive CH1 DEF block CB1 contacts Closed when CB main contact closed CB1 B EXT trip A EXT trip B EXT trip C Default setting CB1 A CB1 C Carrier block Disconnector N C contact Protection block External VT failure EXT VTF Z1X initiation OC block Indication reset EFI block Signal receive CH2 or...

Page 347: ...I28 A18 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 IO 1 B14 BI17 BI16 TB2 A14 A15 BI18 B15 IO 2 To parallel line Signal receive CH1 DEF block CB1 contacts Closed when CB main contact closed CB1 B EXT trip A EXT trip B EXT trip C Default setting CB1 A CB1 C Carrier block Disconnector N C contact Protecti...

Page 348: ...le port Ethernet LAN I F option T A18 TB3 TB4 TB1 A1 B1 TB2 IO 3 IO 1 Terminal Block Arrangement Rear View IO 2 A18 A1 B18 B10 B1 1 2 19 20 CN1 E B18 BI1 BI10 B4 A5 B5 A6 B6 A7 B7 A8 B8 A9 TB4 A4 BI11 BI2 BI8 B9 BI12 BI9 BI5 BI6 BI7 BI3 BI4 A10 BI13 B10 BI14 A11 BI15 TB3 A14 B11 BI16 B14 BI17 B15 A15 BI18 IO 1 IO 2 CB2 ready condition CB1 C Disconnector N C contact Carrier protection block Externa...

Page 349: ...4 BI13 BI14 BI15 BI16 BI17 BI18 IO 1 IO 2 TB5 A14 B14 B15 A15 BI19 BI20 BI21 IO 3 Ethernet LAN I F option T Terminal Block Arrangement Rear view CN1 IO 1 TB1 TB2 TB4 TB5 VCT IO 2 IO 3 A18 A1 B18 B1 1 2 19 20 E IO 4 TB3 CB1 C Disconnector N C contact Carrier protection block External VT failure EXT VTF CB1 ready condition Autoreclose block REC BLOCK Indication reset Main protection ON EXT trip A EX...

Page 350: ...O 3 To parallel line CB1 C Disconnector N C contact Carrier protection block External VT failure EXT VTF CB ready condition Autoreclose block REC BLOCK Indication reset Main protection ON EXT trip A EXT trip B EXT trip C CB1 A CB auxiliary contacts Closed when bus CB main contact closed CB1 B Signal receive CH2 or Z1 EXT initiation External trip signals CBF Initiation Signal receive CH1 Default se...

Page 351: ...13 BI14 BI15 BI16 BI17 BI18 IO 1 IO 2 TB5 A14 B14 B15 A15 BI19 BI20 BI21 IO 3 CB1 C Disconnector N C contact Carrier protection block External VT failure EXT VTF CB ready condition Autoreclose block REC BLOCK Indication reset Main protection ON EXT trip A EXT trip B EXT trip C CB1 A CB auxiliary contacts Closed when bus CB main contact closed CB1 B Signal receive CH2 or Z1 EXT initiation External ...

Page 352: ...F 2 S 0 8 4 6 Appendix H Relay Setting Sheet Relay Identification Transmission line parameters Distance scheme Autoreclose scheme Contacts setting Relay and Protection Scheme Setting Sheets PLC default setting ...

Page 353: ...ne type Line length Line impedance Z1 Z0 Z0 mutual Zm VT ratio CT ratio Tripping mode 1 3 phase 3 phase 3 Distance scheme Basic 3zone 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 ...

Page 354: ...6 BO7 BO8 BO9 BO10 BO11 BO12 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 ...

Page 355: ...BforZ2element On On 31 PSB Z3 Off On PSBforZ3element Off Off 32 PSB CR Off On PSBforcarriertrip On On 33 PSB ZF Off On PSBforZF element Off Off 34 PSB ZR1 Off On PSBforZR1element Off Off 35 PSB ZR2 Off On PSBforZR2element Off Off 36 PSB TP Off On TripforunderPSB On On 37 UVPWIEN Off On Countermeasureforleadphase overreaching Off Off 38 STUB Off On Stubprotection Off Off 39 SOTF DL CB UV Both SOTF ...

Page 356: ... 00 0 5 100 0 Ω BlinderforZ1Sforward R 5 10 25 5 5 10 25 5 102 BFRXS 0 10 20 00 0 5 100 0 Ω BlinderforZ1XSforward R 5 10 25 5 5 10 25 5 103 Z2S 0 01 50 00 0 10 250 00 Ω Z2Sreactance 3 00 15 00 3 00 15 00 104 BFR2S 0 10 20 00 0 5 100 0 Ω BlinderforZ2Sforward R 5 10 25 5 5 10 25 5 105 ZFS 0 01 50 00 0 1 250 0 Ω ZFSreactance 4 00 20 0 4 00 20 00 106 BFRFS 0 10 20 00 0 5 100 0 Ω BlinderforZFSforward R...

Page 357: ...159 Krs 0 1000 Zerophasecurrent factor Self line R0 R1 340 340 160 Kxs 0 1000 Zerophasecurrent factor Self line X0 X1 340 340 161 Krm 0 1000 Zerophasecurrent factor Adjacent line Rom R1 300 300 162 Kxm 0 1000 Zerophasecurrent factor Adjacent line Xom X1 300 300 163 KrsR 0 1000 Zerophasecurrent factorforZR element Self line R0 R1 100 100 164 KxsR 0 1000 Zerophasecurrent factorforZr element Self lin...

Page 358: ...ment 120 0 120 0 227 TOS1I 0 05 100 00 OVS1IDMT timer 10 00 10 00 228 TOS1 0 00 300 00 s OVS1definitetimer 0 10 0 10 229 TOS1R 0 0 300 0 s OVS1definitetimereset delay 0 0 0 0 230 OS1DP 10 98 OVS1DO PUratio 95 95 231 OVS2 5 0 150 0 V OVS2element 140 0 140 0 232 TOS2 0 00 300 00 s OVS2definitetimer 0 10 0 10 233 OS2DP 10 98 OVS2DO PUratio 95 95 234 OVG OVG1 5 0 150 0 V OVG1element 70 0 70 0 235 TOG1...

Page 359: ...0 1 0 1 292 TW2 0 1 10 0 s ARCreset timer 0 2 0 2 293 TS2 5 0 300 0 s Multi shot deadtimer 20 0 20 0 294 TS2R 5 0 300 0 s Multi shot reset timer 30 0 30 0 295 TS3 5 0 300 0 s Multi shot deadtimer 20 0 20 0 296 TS3R 5 0 300 0 s Multi shot reset timer 30 0 30 0 297 TS4 5 0 300 0 s Multi shot deadtimer 20 0 20 0 298 TS4R 5 0 300 0 s Multi shot reset timer 30 0 30 0 299 TSUC 0 1 10 0 s ARCsuccess rese...

Page 360: ...67 In 4 0 3071 0 0 368 LED4 Logic OR AND Configurable LEDs OR OR 369 Reset Inst Latch Inst Inst 370 In 1 0 3071 0 231 371 In 2 0 3071 0 0 372 In 3 0 3071 0 0 373 In 4 0 3071 0 0 374 Plant name Specifiedby user Plant name Specifiedby user Specifiedby user 375 Description ditto Memorandumfor user Specifiedby user Specifiedby user 376 HDLC 1 32 Relay IDNo for RSM 1 1 377 IEC 0 254 Stationaddress for ...

Page 361: ...ecorder initiation 5 0 1 0 5 0 1 0 400 UVP S 0 132 V UVelement for disturbance 88 88 401 UVP G 0 76 V recorder initiation 51 51 402 TRIP Off On Disturbancetrigger On On 403 OCP S Off On ditto On On 404 OCP G Off On ditto On On 405 UVP S Off On ditto On On 406 UVP G Off On ditto On On 407 Chann Automatic test interval 1 24 hrs Carrier testingtimer 8 8 408 Display value Primary Secondary Metering Pr...

Page 362: ...0 err On Off 9 26 EV26 0 3071 ditto 1269 V2 err On Off 9 27 EV27 0 3071 ditto 1267 I0 err On Off 9 28 EV28 0 3071 ditto 257 DS fail On Off 9 29 EV29 0 3071 ditto 490 AS1 On Off 9 30 EV30 0 3071 ditto 491 AS2 On Off 9 31 EV31 0 3071 ditto 492 AF1 On Off 9 32 EV32 0 3071 ditto 493 AF2 On Off 9 33 EV33 0 3071 ditto 0 On Off 34 EV34 0 3071 ditto 0 On Off 35 EV35 0 3071 ditto 0 On Off 36 EV36 0 3071 di...

Page 363: ...1 ditto 0 On 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 9 102 EV102 0 3071 ditto 1244 SET GROUP2 On 9 103 EV103 0 3071 ditto 1245 SET GROUP3 On 9 104 EV104 0 3071 ditto 1246 SET GROUP4 On 9 105 EV105 0 3071 ditto 1247 SET GROUP5 On 9 106 EV106 0 3071 ditto 1248 SET GROUP6 On...

Page 364: ... TRIP 9 13 SIG13 0 3071 ditto 350 SOTF STUB 9 9 9 9 9 350 SOTF STUB 9 14 SIG14 0 3071 ditto 176 PSB_DET 9 9 9 9 9 176 PSB_DET 9 15 SIG15 0 3071 ditto 203 OST_TRIP 9 9 9 9 9 203 OST_TRIP 9 16 SIG16 0 3071 ditto 225 EXT_CAR S 9 9 9 9 9 225 EXT_CAR S 9 17 SIG17 0 3071 ditto 204 EXT_CAR R1 9 9 9 9 9 204 EXT_CAR R1 9 18 SIG18 0 3071 ditto 1540 Z1X_INIT 9 9 9 9 9 612 EXT_CAR R2 9 19 SIG19 0 3071 ditto 1...

Page 365: ..._ON X 527 BI15_COMMAND X 1551 1552 CB2_CONT 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 156...

Page 366: ...2 Z1S_BLOCK X 0 715 Z1CNT_TPBLK X 1633 Z1XS_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_N...

Page 367: ...C_INST_TP 1704 1705 DEF_INST_TP 1706 1707 DEFR_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 ...

Page 368: ...5 R2 X 1765 DEFCAR B R2 X 1141 COM6 R2 X 1766 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...

Page 369: ...ANT_1 X 1827 TPR F REQ 273 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 ECHO_BLOCK 1841 WKIT_BLOCK 1842 PSCM_TCHDEN 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 O...

Page 370: ... 2053 COM6 S X 805 C R_SEND DEFB X 2054 COM7 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 208...

Page 371: ...22 2623 2624 F RECORD1 2625 F RECORD2 2626 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...

Page 372: ...2675 2676 2677 2678 2679 2680 2681 2682 2683 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 None Signal Turn On Delay One Shot ...

Page 373: ...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 TEMP043 2859 TEMP044 2860 TEMP045 2861 TEMP046 2862 TEMP047 2863 TEMP048 2864 TEMP0...

Page 374: ...EMP091 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 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 293...

Page 375: ...EMP160 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 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 300...

Page 376: ...EMP219 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 3061 TEMP246 3062 TEMP247 3063 TEMP248 3064 TEMP249 306...

Page 377: ... 376 6 F 2 S 0 8 4 6 ...

Page 378: ...ep element OST test 4 4 Phase 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 4 10 Current change detection element 4 11 Level detectors test 4 12 BCD element check 4 13 O...

Page 379: ... scheme Witness Active settings 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 ...

Page 380: ...PSBSOU T 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 PSGBIN PSBGOUT 4 3 Out of step element OST test Element Reach setting ZOST IT 2IT ZOST Measured voltage 2Va OSTXF OSTXB OSTR1 OSTR2 4 4 Phase selection element UVC test Element Reach setting UVCZ IT IT UVCZ UVCV Measured voltage UVC 0 0 ...

Page 381: ...t Measured voltage DOCNF IN DOCNR 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 UVL1 OVL2 UVL2 2 Synchronism check element c Voltage check Element Setting Measured voltag...

Page 382: ...hange 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 4 12 BCD element check 4 13 Overvoltage and undervoltage elements test 1 Operating value test Element Voltage setting Measured voltage Element Voltage setting Measured voltage OVS1 OVG1 OVS2 OVG2 UVS1 UV...

Page 383: ...e 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 ...

Page 384: ... 383 6 F 2 S 0 8 4 6 Appendix J Return Repair Form ...

Page 385: ...e GRZ100 Model Example Type GRZ100 Model 204B 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...

Page 386: ...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 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 ...

Page 387: ...the message on the LCD display at the time of the incident 4 Please 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 ...

Page 388: ... 387 6 F 2 S 0 8 4 6 Customer Name Company Name Address Telephone No Facsimile No Signature ...

Page 389: ... 388 6 F 2 S 0 8 4 6 ...

Page 390: ... 389 6 F 2 S 0 8 4 6 Appendix K Technical Data ...

Page 391: ... 3 VA for neutral input at 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 Ch...

Page 392: ...for BOP scheme 0 to 50ms in 1ms steps Operating and Resetting Time of Distance Measuring Element Typical operating time Operating time curve SIR curve Resetting time 20ms Refer to Figure 13 less than 30ms for tripping output less than 40ms for signal output Accuracy of Distance Measuring Element Static accuracy Static angle accuracy Transient overreach 5 under SIR 30 10 under 30 SIR 50 5 5 Minimum...

Page 393: ... 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 overcurrent element 0 1 to 2 0A in 0 ...

Page 394: ...1A steps 1A relay 0 5 to 5 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...

Page 395: ... to 10 0s in 0 1s steps 0 01 to 100 00s in 0 01s steps 0 01 to 10 00s in 0 01s steps 0 1 to 10 0s in 0 1s 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 Fault Locator Line reactance and resistance setting Line length Correction factor of imp...

Page 396: ...nput impedance Input voltage range Connector type Cable type IRIG B122 4k ohm 4Vp p to 10Vp p BNC connector 50 ohm coaxial cable Binary Inputs Operating voltage Typical 74Vdc min 70Vdc for 110V 125Vdc rating Typical 138Vdc min 125Vdc for 220V 250Vdc rating Typical 31Vdc min 28Vdc for 48V 54V 60Vdc rating Typical 15Vdc min 14Vdc for 24Vdc rating Contact Ratings Trip contacts Make and carry Break Au...

Page 397: ...ase of a 60Hz relay the operate time is reduced by approximately 15 to 20 a Minimum operating time 50Hz b Maximum operating time 50Hz Phase to phase fault a Minimum operating time 50Hz b Maximum operating time 50Hz Phase to earth fault ...

Page 398: ... the highest of the three results 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...

Page 399: ...limiting factor of CT e g 20 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 ...

Page 400: ...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 2 5kHz 5 50ns applied to all inputs Surge Immunity IEC60255 22 5 IEC61000 4 5 EN61000 4 5 1 2 50μ...

Page 401: ... 400 6 F 2 S 0 8 4 6 ...

Page 402: ... 401 6 F 2 S 0 8 4 6 Appendix L Symbols Used in Scheme Logic ...

Page 403: ...on Signal No Signal name Marked 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 Outp...

Page 404: ... with variable setting XXX 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 ...

Page 405: ... 404 6 F 2 S 0 8 4 6 ...

Page 406: ... 405 6 F 2 S 0 8 4 6 Appendix M Example of Setting Calculation ...

Page 407: ... current 594 7A Minimum fault current 2 05kA 2 Relay Setting Relay application Relay type GRZ100 201 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 15...

Page 408: ...rminal To calculate Ifmin zero 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...

Page 409: ...ZF PSB for ZF elements OFF 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 TPMODE Trip mode 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...

Page 410: ...ed line impedance plus 150 of next line section 300 Z3Sθ Line angle setting Note 1 Z4S 120 of Z3S 120 of Z3S setting Z1G 75 80 of protected line reactance 75 Z1XG 120 or more of protected line reactance 130 Z2G 120 or more of protected line reactance 130 Z3G 400 600 of protected line impedance 500 Z3Gθ Line angle setting Note 1 Z4G 120 of Z3G 120 of Z3G setting PSBSZ 2 ohms 5A rating 2 ohms PSBGZ ...

Page 411: ...ates lower setting limit Z3G Z2G The Z3G element must 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 i...

Page 412: ...ndently Step 1 Calculate the positive zero sequence impedance 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 2 KXS X0 X1 100 1 4387 0 2747 524 KRm Rm R1 100 0 0212 0 0197 108 KXm Xm X1 100 0 372...

Page 413: ...fter measuring the actual unbalance residual current and voltage on the site DEFFI DEFRI Max 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 no...

Page 414: ...perating time Breaker opening time OCBF reset time Margin 70ms 10ms 40ms 10ms 10ms 140ms Element Setting OCBF 5 1 A TBF1 70ms TBF2 140ms 3 8 Undervoltage element 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 UVC...

Page 415: ...tection signaling equipment PSE including propagation time of PLC Power Line Carrier or other communication link The time setting should include an operation margin of 5ms Time setting Time delay of PSE Margin 12ms 5ms 17ms c Time setting of earth fault element EF TEF This time setting is for time delay of the EF element If it is set to 3s the trip alarm contact will close 3s after detecting an un...

Page 416: ...sted time set by reclaim timer after the breaker is closed manually or automatically d ARC reset timer This time element starts to run upon reclosing initiation e ARC output pulse timer The duration of the reclosing pulse depends on the operation time of 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 Syn...

Page 417: ... 416 6 F 2 S 0 8 4 6 ...

Page 418: ... 417 6 F 2 S 0 8 4 6 Appendix N IEC60870 5 103 Interoperability and Troubleshooting ...

Page 419: ...n 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 Information ...

Page 420: ... 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 messages ...

Page 421: ...ter Setting When a setting 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 i...

Page 422: ...sending Not supported 77 Teleprotection 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...

Page 423: ...ries of a group Not supported 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 ...

Page 424: ...26 Activate characteristic 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...

Page 425: ... L3 Ic Configurable Voltage 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...

Page 426: ...f transmission COT Cause of 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 comma...

Page 427: ...ows First draft _01 csv Second 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 e...

Page 428: ...nnection of optical cable The 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 Logic...

Page 429: ...on Type FUN between the relay 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 f...

Page 430: ... 429 6 F 2 S 0 8 4 6 Appendix O Programmable Reset Characteristics and Implementation of Thermal Model to IEC60255 8 ...

Page 431: ... fault after which the insulation 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 othe...

Page 432: ...he cold state and 100 represents 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...

Page 433: ... a cold system is switched 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 ...

Page 434: ... 433 6 F 2 S 0 8 4 6 Appendix P Inverse Time Characteristics ...

Page 435: ... 1 5 0 1 1 10 100 1 10 100 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 ...

Page 436: ...1 0 1 1 10 100 1000 1 10 100 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 ...

Page 437: ... 436 6 F 2 S 0 8 4 6 ...

Page 438: ... 437 6 F 2 S 0 8 4 6 Appendix Q Failed Module Tracing and Replacement ...

Page 439: ...Check that the replacement module has an identical module name VCT SPM IO1 IO2 etc and hardware type form as the failed module Furthermore the SPM and FD 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...

Page 440: ... err EEPROM err A D err V0 err 2 1 2 V2 err 2 1 2 I0 err 2 1 2 CT err 2 2 1 DIO err 2 1 1 1 1 1 1 RSM err 1 2 FD checksum err 2 1 1 FD ROM RAM err 2 1 1 FD SRAM err 2 1 1 FD Sampling err 2 1 1 FD DO err 2 1 1 FD ROM data err 2 1 1 FD Unbalanced err 2 1 1 FD A D err 2 1 1 FD stopped 2 1 DS fail 2 2 1 Ch fail 2 2 2 1 VT fail 2 1 No working of LCD 2 1 The location marked with 1 has a higher probabili...

Page 441: ...e restored the original settings 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...

Page 442: ...m levers white 7 Insert the 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...

Page 443: ...d 1 second or more by LCD display 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 ...

Page 444: ... 443 6 F 2 S 0 8 4 6 Appendix R Ordering ...

Page 445: ...r scheme with fault detector 21 BIs 35 BOs 6 trip BOs 401 Model500 With autoreclose for one and a half breaker scheme with fault detector 21 BIs 35 BOs 6 trip BOs 501 Ratings 1A 50Hz 110V 125Vdc 1A 60Hz 110V 125Vdc 5A 50Hz 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 48V54V 60Vdc ...

Page 446: ... 1 4 and UV 1 4 Added recording items to fault record screen Modified the description Modified the description of CAUTION Modified Appendix B K M and Q 0 4 Jun 23 2008 2 4 6 2 7 1 6 5 5 4 2 7 1 6 5 1 1 6 6 1 Appendices Modified the description of Setting Added Note Modified the description of THMRST Modified the description and Figure 6 5 1 2 Modified the description Modified Appendix G and K 0 5 ...

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