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ABB RELION REL670, Installation And Commissioning Manual

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117

Voltage protection

Chapter 11

Verifying settings by secondary

injection

7

Voltage protection

7.1

Two step undervoltage protection (PUVM, 27)

Prepare the IED for verification of settings as outlined in 

section 1 "Overview"

 and 

section 2 

"Preparing for test"

 in this chapter.

7.1.1

Verifying the settings

Verification of Start-value and time delay to operate for Step1

Procedure

1.

Make sure that the IED settings are appropriate, especially the 
Start-value, the definite time delay and the 1 out of 3 operation 
mode.

2.

Supply the terminal with three-phase voltages at their rated values.

3.

Slowly decrease the voltage in one of the phases, until the START 
signal appears.

4.

Note the operate value and compare it with the set value.

5.

Increase the measured voltage to rated load conditions. 

6.

Make sure that the START signal resets.

7.

Instantaneously decrease the voltage in one-phase to a value about 
20% lower than the measured operate value.

8.

Measure the time delay for the TRIP signal, and compare it with the 
set value.

Extended testing

Procedure

1.

The test above can now be repeated for Step2.

2.

The tests above can be repeated for 2 out of 3 and for 3 out of 3 op-
eration mode.

3.

The tests above can be repeated to check security, i.e. the start and 
operate signals, that are not supposed to appear, - do not.

4.

The tests above can be repeated to check the time to reset.

5.

The tests above can be repeated to test the inverse time characteris-
tic.

7.1.2

Completing the test

Continue to test another function or end the test by changing the test mode setting to off. Restore 
connections and settings to their original values, if they were changed for test purposes.

Summary of Contents for RELION REL670

Page 1: ... Copyright 2006 ABB All rights reserved Installation and commissioning manual Line distance protection IED REL670 About this manual Document No 1MRK 506 234 UEN Issued January 2006 Revision A ...

Page 2: ...ELOW THE DATA CONTAINED IN THIS MANUAL IS INTENDED SOLELY FOR THE CONCEPT OR PRODUCT DESCRIPTION AND IS NOT TO BE DEEMED TO BE A STATEMENT OF GUARAN TEED PROPERTIES IN THE INTERESTS OF OUR CUSTOMERS WE CONSTANTLY SEEK TO ENSURE THAT OUR PRODUCTS ARE DEVELOPED TO THE LATEST TECHNOLOGICAL STAN DARDS AS A RESULT IT IS POSSIBLE THAT THERE MAY BE SOME DIFFERENCES BETWEEN THE HW SW PRODUCT AND THIS INFO...

Page 3: ...g and installation overview 10 Chapter 4 Unpacking and checking the IED 11 Taking delivery unpacking and checking 12 Chapter 5 Installing the IED 13 Overview 14 Dimensions 15 Case without rear cover 15 Case with rear cover 16 Mounting dimensions 17 Side by side flush mounting dimensions 18 Mounting methods and details 20 Mounting the IED 20 Flush mounting 20 Flush mounting details 21 19 panel rack...

Page 4: ... of CT circuits 42 Checking the power supply 43 Checking the binary I O circuits 44 Binary input circuits 44 Binary output circuits 44 Checking the optical connections 45 Chapter 7 Energizing the IED 47 Overview 48 Energizing the IED 49 Checking the self supervision signals 51 Reconfiguring the IED 51 Setting the IED time 51 Checking the self supervision function 51 Self supervision HMI data 52 Ch...

Page 5: ... 78 Identifying the function to test in the technical reference manual 79 Exit test mode 79 Basic IED functions 80 Parameter setting groups ACGR 80 Differential protection 81 High impedance differential protection PDIF 87 81 Distance protection 82 Distance protection zones PDIS 21 82 Phase selection with load enchroachment PDIS 21 87 Power swing detection RPSB 78 97 Automatic switch onto fault log...

Page 6: ...protection PSCH 85 148 Current reversal and weak end infeed logic for distance protection PSCH 85 150 Local acceleration logic PLAL 152 Scheme communication logic for residual overcurrent protection PSCH 85 152 Current reversal and weak end infeed logic for residual overcurrent protection PSCH 85 154 Logic 157 Tripping logic PTRC 94 157 Monitoring 161 Event counter GGIO 161 Event function EV 161 F...

Page 7: ...Contents Using front connected PC or SMS 175 Repair instruction 178 Repair support 180 Maintenance 181 Chapter 14 Glossary 183 Glossary 184 ...

Page 8: ...Contents ...

Page 9: ...1 About this chapter Chapter 1 Introduction Chapter 1 Introduction About this chapter This chapter introduces the user to the manual ...

Page 10: ...tall and commission the protection IED The manual can also be used as a reference during periodic testing The manual covers procedures for mechanical and electrical installation energizing and checking of external circuitry setting and configuration as well as verifying settings and per forming directional tests The chapters are organized in the chronological order indicated by chapter section num...

Page 11: ...d other periodic maintenance measures The chapter Fault tracing and repair explains how to troubleshoot The chapter Glossary is a list of terms acronyms and abbreviations used in ABB technical documentation 1 3 Intended audience 1 3 1 General The installation and commissioning manual addresses the personnel responsible for the installa tion commissioning maintenance and taking the protection in an...

Page 12: ...with 1 1 2 CB arr 1MRK 506 267 WEN Setting example 2 230 kV Extremely long overhead power line double bus single CB arr 1MRK 506 268 WEN Setting example 3 132 kV Short overhead power line double bus single CB arr 1MRK 506 269 WEN Connection and Installation components 1MRK 013 003 BEN Test system COMBITEST 1MRK 512 001 BEN PCM600 Protection and Control IED Manager 1MRS755552 Getting started guide ...

Page 13: ...rmation Chapter 2 Safety information About this chapter This chapter contains safety information Warning signs are presented which urge the user to be careful during certain operations in order to avoid injuries to humans or damage to equipment ...

Page 14: ...peration may be disrupt ed and IED and measuring circuitry may be damaged Warning Always connect the IED to protective earth regardless of the operating conditions This also applies to special occasions such as bench testing demonstrations and off site configuration Operating the IED without proper earthing may damage both IED and measuring circuitry and may cause injuries in case of an accident W...

Page 15: ...s are sensitive to this phenomena Caution Do not connect live wires to the IED Internal circuitry may be damaged Caution Always use a conductive wrist strap connected to protective ground when replacing modules Electrostatic discharge ESD may damage the module and IED circuitry Caution Take care to avoid electrical shock if accessing wiring and connection IEDs when installing and commissioning Cau...

Page 16: ...8 Note signs Chapter 2 Safety information 3 Note signs Note The protection assembly is designed for a maximum continuous current of four times rated val ue ...

Page 17: ...9 About this chapter Chapter 3 Overview Chapter 3 Overview About this chapter This chapter outlines the installation and commissioning of the IED ...

Page 18: ...sioning task can start A configuration done in the configuration and programming tool must also be available if the IED does not have a factory configuration downloaded The IED is unpacked and visually checked It is preferably mounted in a cubicle or on a wall The connection to the protection system has to be checked in order to verify that the installation is successful ...

Page 19: ...11 About this chapter Chapter 4 Unpacking and checking the IED Chapter 4 Unpacking and checking the IED About this chapter This chapter describes the delivery and the unpacking of the IED ...

Page 20: ... dered have been included in the delivery 4 Check for transport damages If transport damage is discovered appropriate action must be taken against the latest carrier and the nearest ABB office or representative should be informed ABB should be notified immediately if there are any discrepancies in relation to the delivery documents 5 Storage If the IED is to be stored before installation this must...

Page 21: ...13 About this chapter Chapter 5 Installing the IED Chapter 5 Installing the IED About this chapter This chapter describes how to install the IED ...

Page 22: ...rapid temperature variations powerful vibrations and shocks surge voltages of high amplitude and fast rise time strong induced magnetic fields or similar extreme conditions should be avoided Sufficient space must be available in front of and at the rear of the IED to allow access for main tenance and future modifications Flush mounted IEDs should be mounted so that IED modules can be added and rep...

Page 23: ...h 19 rack mounting kit xx04000448 vsd C B D E A xx04000464 vsd J G F K H Case size A B C D E F G H J K 6U 1 2 x 19 265 9 223 7 204 1 252 9 205 7 190 5 203 7 186 6 6U 3 4 x 19 265 9 336 204 1 252 9 318 190 5 316 186 6 6U 1 1 x 19 265 9 448 3 204 1 252 9 430 3 190 5 428 3 465 1 186 6 482 6 The H and K dimensions are defined by the 19 rack mounting kit mm ...

Page 24: ...details xx05000501 vsd B D E A C xx05000502 vsd J G F K H xx05000503 vsd Case size A B C D E F G H J K 6U 1 2 x 19 265 9 223 7 242 1 255 8 205 7 190 5 203 7 228 6 6U 3 4 x 19 265 9 336 242 1 255 8 318 190 5 316 228 6 6U 1 1 x 19 265 9 448 3 242 1 255 8 430 3 190 5 428 3 465 1 228 6 482 6 The H and K dimensions are defined by the 19 rack mounting kit All dimensions are in millimeters ...

Page 25: ...ush mounting Case size Tolerance Cut out dimensions mm A 1 B 1 C D 6U 1 2 x 19 210 1 254 3 4 10 12 5 6U 3 4 x 19 322 4 254 3 4 10 12 5 6U 1 1 x 19 434 7 254 3 4 10 12 5 E 188 6 mm without rear protection cover 229 6 mm with rear protection cover C A B E D xx04000465 vsd ...

Page 26: ...18 Dimensions Chapter 5 Installing the IED 2 4 Side by side flush mounting dimensions Figure 6 A 3 4 size IED from the 600 series together with RHGS6 case in 19 rack xx05000504 vsd 3 4 of19 1 4 of19 ...

Page 27: ...1 6U x 1 2 of 19 214 0 259 3 240 4 190 5 34 4 13 4 6 4 diam 6U x 3 4 of 19 326 7 259 3 352 8 190 5 34 4 13 4 6 4 diam 6U x 1 1 of 19 438 7 259 3 465 1 190 5 34 4 13 4 6 4 diam xx05000505 vsd B A C G D E F Note With side by side flush mounting installation only IP class 20 is obtained To reach the IP class 54 the case by case flush mounting is recommended ...

Page 28: ...ailable Flush mounting kit 19 Panel rack mounting kit Wall mounting kit Side by side rack mounting kit Side by side flush mounting kit 3 2 Flush mounting All IED sizes 1 2 3 4 and 1 1 of 19 and RHGS 6 6U 1 4x19 cases can be flush mounted Only a single case can be mounted in each cut out on the cubicle panel for class IP54 ingression protection Note Flush mounting cannot be used for side by side mo...

Page 29: ...ounting details Figure 8 Flush mounting details PosNo Description 1 Sealing strip used to obtain IP54 class The sealing strip is factory mounted between the case and front plate 2 Four side holders 3 Groove 4 Four locking screws 5 Sealing strip en04000451 vsd panel 2 4 1 3 5 ...

Page 30: ...ng procedure for 19 panel mounting Procedure 1 Carefully fasten the mounting angles to the sides of the IED Use the screws supplied in the mounting kit 2 Place the IED assembly in the panel 3 Fasten the mounting angles with appropriate screws PosNo Description 1a 1b Two rack flanges which can be mounted either to the left or right side of the case 2 Eight fastening screws xx04000452 vsd 1a 2 1b ...

Page 31: ...unt the IED on a panel or in a cubicle 3 4 1 Wall mounting details Figure 10 Wall mounting details 3 4 2 Mounting procedure for wall mounting Procedure 1 Mount the bars PosNo 4 onto the wall See section 2 Dimensions PosNo Description 1 Four bushings 2 Eight screws 3 Four screws 4 Two mounting bars 5 Six screws 6 Two side plates xx04000453 vsd 1 2 3 4 5 6 ...

Page 32: ...place 4 Make all external electrical connections to the IED terminal blocks It is much easier to do this without the unit in place 5 Mount the side plates PosNo 6 to the IED 6 Mount the IED to the mounting bars 3 4 3 Protection cover The IED can be equipped with a rear protection cover PosNo 1 which is recommended at this type of mounting See figure 11 Figure 11 Protection cover 3 4 4 How to reach...

Page 33: ...ide 2 Remove all three fixing screws PosNo 2 on the opposite side from wall support 3 The IED can now be swung out for access to the connectors after removing any rear protection 3 5 Side by side rack mounting IED case sizes 1 2 or 3 4 of 19 and RHGS cases can be mounted side by side up to a maxi mum size of 19 PosNo Description 1 Screws 2 Fixing screws 80 mm View from above 1 en04000455 vsd 2 ...

Page 34: ...ing plate PosNo 1 Use four of the delivered screws 3 Carefully turn the two IEDs up side down 4 Fasten the second side by side mounting plate Use the remaining four screws 5 Carefully fasten the mounting angles to the sides of the IED PosNo 4 Use the screws available in the mounting kit 6 Place the IED assembly in the rack 7 Fasten the mounting angles with appropriate screws PosNo Description 1 Tw...

Page 35: ...ut is 19 3 6 1 Side by side flush mounting details Figure 14 Side by side flush mounting details Mounting procedure for side by side flush mounting Procedure 1 Place the two IEDs next to each other on a flat surface Note With side by side flush mounting installation only IP class 20 is obtained To reach the IP class 54 the case by case flush mounting is recommended See section flush mounting PosNo...

Page 36: ...e down 4 Fasten the second side by side mounting plate Use the remaining four screws 5 Carefully fasten the mounting angles to the sides of the IED PosNo 4 Use the fixing screws available in the mounting kit PosNo 3 6 Make a panel cut out See the section about side by side flush mounting dimensions 7 Insert the IED into the cut out 8 Fasten the mounting angles with appropriate screws ...

Page 37: ...asing with 1 TRM slot Module Rear Positions PSM X11 BIM BOM or IOM X31 and X32 etc to X51 and X52 GSM X51 SLM X301 A B C D LDCM X302 A B LDCM X303 A B OEM X311 A B C D LDCM X312 A B LDCM X313 A B TRM X401 Module Rear Positions PSM X11 BIM BOM IOM or MIM X31 and X32 etc to X101 and X102 GSM X101 SLM X301 A B C D LDCM X302 A B LDCM X303 A B OEM X311 A B C D LDCM X312 A B LDCM X313 A B TRM X401 ...

Page 38: ...r Positions PSM X11 BIM BOM IOM or MIM X31 and X32 etc to X71 and X72 GSM X71 SLM X301 A B C D LDCM X302 A B LDCM X303 A B OEM X311 A B C D LDCM X312 A B LDCM X313 A B TRM X401 411 Module Rear Positions PSM X11 BIM BOM or IOM X31 and X32 etc to X161 and X162 MIM X31 X41 etc or X161 GSM X161 SLM X301 A B C D LDCM X302 A B LDCM X303 A B OEM X311 A B C D LDCM X312 A B LDCM X313 A B TRM X401 ...

Page 39: ...l on the rear side of the IED Use a solid conductor with a cross section area between 2 5 6 mm2 AWG14 12 or a stranded conductor with a cross section area between 2 5 4 mm2 If the IED is equipped with a test switch of type RTXP 24 COMBIFLEX wires with 20 A sock ets must be used to connect the CT and VT circuits Connectors X401 and X402 for current and voltage transformer circuits are so called fee...

Page 40: ...ale part and screwed to the case The conductors can be of rigid type solid stranded or of flexible type The female connectors accept conductors with a cross section area of 0 2 2 5 mm2 AWG 24 14 If more than one conductor is used in the same receptacle the maximum permissible cross section area is 0 2 1 mm2 AWG 24 18 If two conductors each with area 1 5 mm2 AWG 16 need to be connect ed to the same...

Page 41: ...r of the IED unit to the closest possible earthing point in the cubicle Electrical codes and standards require that protective earth cables are green yellow conductors with a cross section area of at least 2 5 mm2 AWG14 There are several protective earthing screws on an IED The Power supply unit Transformer modules and the enclosure are all separately earthed see figure 18 below Where 1 is ferrule...

Page 42: ... sure screens are earthed and connected according to applicable engineering methods This may include checking for appropriate earthing points near the IED for instance in the cubicle and or near the source of measuring Ensure that earth con nections are made with short max 10 cm conductors of an adequate cross section at least 6 mm2 AWG10 for single screen connections where 1 is main protective ea...

Page 43: ...35 Making the electrical connection Chapter 5 Installing the IED Figure 19 Communication cable installation en03000087 vsd Rx Tx Sc Lc Tx Rx Sc Lc Cc IED External Equipment ...

Page 44: ...d for IEC 61850 communication When LON SPA and IEC 60870 5 10 is avail able the X301 port is used Either plastic or glass can be used Plastic fibres use a snap in connector glass fibres a bayonet connector When the optical ethernet module is used the protection plate for the galvanic connection must not be removed Caution The fibre optical cables are very sensitive to handling Do not bend too shar...

Page 45: ... or vertical flat surface or on an antenna mast Mount the antenna and console clear of flat surfaces such as buildings walls roofs and windows to avoid signal reflections If necessary protect the antenna from animals and birds which can affect signal strength Also protect the antenna against lightning where 1 GPS antenna 2 TNC connector 3 Console 78x150 mm 4 Mounting holes 5 5 mm 5 Tab for securin...

Page 46: ... and a male SMA connector on the receiver end to connect the antenna to REx670 Choose cable type and length so that the total attenuation is max 26 dB at 1 6 GHz A suitable antenna cable is supplied with the antenna The antenna has a female TNC connector to the antenna cable A 99001046 vsd Caution Make sure that the antenna cable is not charged when connected to the antenna or to the receiv er Sho...

Page 47: ... Chapter 6 Checking the externalopticaland electrical connecti ons About this chapter This chapter describes what to check to ensure correct connection to the external circuitry such as the auxiliary power supply CT s and VT s These checks must be made with the protection IED de energized ...

Page 48: ... optical and electrical connections 1 Overview The user must check the installation which includes verifying that the IED is connected to the other parts of the protection system This is done with the IED and all connected circuits de en ergized ...

Page 49: ...Earthing check Phase relationship Insulation resistance check The polarity check verifies the integrity of circuits and the phase relationships The check should be performed as close as possible to the IED The primary injection test verifies the VT ratio and the wiring all the way through from the pri mary system to the IED Injection must be performed for each phase to neutral circuit and each pha...

Page 50: ...former secondary loop dc resistance is within specification and that there are no high resistance joints in the CT winding or wiring CT excitation test in order to confirm that the current transformer is of the correct accuracy rating and that there are no shorted turns in the current transformer windings Manufacturer s design curves should be available for the current trans former in order to com...

Page 51: ...Checking the external optical and electrical connections 4 Checking the power supply Check that the auxiliary supply voltage remains within the permissible input voltage range under all operating conditions Check that the polarity is correct ...

Page 52: ...nect the binary input connector from the binary input cards Check all con nected signals so that both input level and polarity are in accordance with the IEDs specifica tions 5 2 Binary output circuits Preferably disconnect the binary output connector from the binary output cards Check all con nected signals so that both load and polarity are in accordance with IED specifications ...

Page 53: ...45 Checking the optical connections Chapter 6 Checking the external optical and electrical connections 6 Checking the optical connections Check that the Tx and Rx optical connections are correct ...

Page 54: ...46 Checking the optical connections Chapter 6 Checking the external optical and electrical connections ...

Page 55: ...47 About this chapter Chapter 7 Energizing the IED Chapter 7 Energizing the IED About this chapter This chapter describes the start up sequence and what to check once the IED has been energized ...

Page 56: ... a whole cubicle to energizing a single IED The user should reconfig ure the IED to activate the hardware modules in order to enable the self supervision function to detect possible hardware errors Then the IED time must be set The self supervision function Diagnostics in HMI should also be checked to verify that the IED unit operates properly The user could also check the software version the IED...

Page 57: ...rtup Figure 21 Typical IED startup sequence If the upper row in the window indicates Fail instead of Ready and the green LED flashes an internal failure in the IED has been detected See section 3 3 Checking the self supervision function in this chapter to investigate the fault An example of the local HMI with a small LCD is shown in figure 2 1 IED energized Green Light Emitting Diode LED starts fl...

Page 58: ...Chapter 7 Energizing the IED Figure 22 Example of the local HMI 1 Status indication LEDs 2 LCD 3 Indication LEDs 4 Label 5 Local Remote LEDs 6 RJ 45 port 7 Communication indication LED 8 Keypad 1 2 3 4 5 6 7 8 en05000055 eps ...

Page 59: ...e System time Press the E button to enter the dialog 2 Set the date and time Use the Left and Right arrow buttons to move between the time and date values year month day hours minutes and seconds Use the Up and Down arrow buttons to change the value 3 Confirm the setting Press the E button to set the calendar and clock to the new values 3 3 Checking the self supervision function 3 3 1 Determine th...

Page 60: ... modWarning OK No problem detected None NUM modWarning Warning There is a problem with the real time clock the time synchroniza tion Set the clock If the problem persists contact your ABB repre sentative for service ADC module OK No problem detected None ADC module Fail The AD conversion module has failed Contact your ABB representative for service CANP 9 BIM1 Fail IO module has failed Check that ...

Page 61: ...er 8 Establishing connection and verifying the SPA IEC communi cation About this chapter This chapter contains instructions on how to establish connection and verify that the SPA IEC communication operates as intended when the IED is connected to a monitoring or control system via the rear SPA IEC port ...

Page 62: ...the local HMI or in the PCM at Settings General settings Communication SLM configuration Rear optical SPA IEC port Protocol selection SPA or IEC 103 When the setting is entered the IED will automatically restart After the restart the SPA IEC port operates as a SPA port 2 Set the slave number and baud rate for the rear SPA port The slave number and baud rate can be found on the local HMI at Setting...

Page 63: ...ar optical SPA IEC port Protocol selection SPA or IEC 103 When the setting is entered the IED will automatically restart After the restart the selected IEC port operates as an IEC port 2 Set the slave number and baud rate for the rear IEC port The slave number and baud rate can be found on the local HMI at Settings General settings Communication SLM configuration Rear optical SPA IEC port IEC60870...

Page 64: ...and indi cations in the SMS SCS system are as expected 2 2 Verifying IEC communication To verify that the IEC communication with the IEC master system is working there are some different methods Choose one of the following Procedure 1 Check that the master system time out for response from the IED for example after a setting change is 40 seconds 2 Use a protocol analyzer and record the communicati...

Page 65: ...ephone modem through a telephone network with ITU CCITT characteristics Table 7 Max distances between terminals nodes Figure 23 Example of SPA communication structure for a station monitoring system glass 1000 m according to optical budget plastic 25 m inside cubicle according to optical budget Where 1 A separate minute pulse synchronization from station clock to obtain 1 ms accuracy for time tagg...

Page 66: ... Distance 1 km Glass Distance 25 m Plastic Maximum attenuation for IED670 11 dB 7 dB 4 dB km multi mode 820 nm 62 5 125 um 4 dB 0 16 dB m plastic 620 nm 1mm 4 dB Margins for installation aging etc 5 dB 1 dB Losses in connection box two contacts 0 5 dB contact 1 dB Losses in connection box two contacts 1 dB contact 2 dB Margin for 2 repair splices 0 5 dB splice 1 dB Maximum total attenuation 11 dB ...

Page 67: ...nnection and verifying the LON communication Chapter 9 Establishing connection and verifying the LON communic ation About this chapter This chapter explains how to set up LON communication and how to verify that LON commu nication is up and running ...

Page 68: ...from other IEDs via bay to bay horizontal communication The fiber optic LON bus is implemented using either glass core or plastic core fiber optic cables Table 9 Specification of the fiber optic connectors Glass fiber Plastic fiber Cable connector ST connector snap in connector Cable diameter 62 5 125 m 1 mm Max cable length 1000 m 10 m Wavelength 820 900 nm 660 nm Transmitted power 13 dBm HFBR 14...

Page 69: ...ON communication This is a software tool applied as one node on the LON bus In order to communicate via LON the IEDs need to know which node addresses the other connected IEDs have and which network variable selectors should be used This is organized by the LNT The node address is transferred to the LNT via the local HMI by setting the parameter Service PinMsg YES The node address is sent to the L...

Page 70: ...uration Rear optical LON port These parameters can only be set with the LNT LON Network Tool They can be viewed in the local HMI Table 10 Setting parameters for the LON communication Path in local HMI Settings General settings Communication SLM configuration Rear optical LON port These parameters can only be set with the LNT LON Network Tool They can be viewed in the local HMI Table 11 LON node in...

Page 71: ...om ABB RetryTmo 100 10000 2000 ms Retransmission timeout Only to be changed after recommendation from ABB IdleAckCycle 1 30 5 s Keep active ack Only to be changed after recommendation from ABB BusyAckTmo 100 5000 300 ms Wait before sending ack Only to be changed after recommendation from ABB ErrNackCycle 100 10000 500 ms Cyclic sending of nack Only to be changed after recommendation from ABB Comma...

Page 72: ...64 About this chapter Chapter 9 Establishing connection and verifying the LON communication ...

Page 73: ...chapter describes how to change IED settings either through a PC or the local HMI and download a configuration to the IED in order to make commissioning possible The chapter does not contain instructions on how to create a configuration or calculate settings Please consult the application manual for further information about how to calculate settings ...

Page 74: ...list where the signals are grouped under their function names It is also possible to specify a user de fined name for each input and output signal Each function included in the IED has several setting parameters which have to be set in order to make the IED behave as intended A factory default value is provided for each parameter A setting file can be prepared using the parameter setting tool PST ...

Page 75: ...value The parameters for each function can be found in the local HMI The Operators Manual OM is structured in a similar way to the LHMI and provides a detailed guide to the use of the local HMI including paths in the menu structure and brief explanations of most settings and measurements See the Technical reference manual for a complete list of setting parameters for each function Some of the incl...

Page 76: ...h Settings General Settings Analog modules AnalogInputsnn The following parameter shall be set for every current transformer connected to the IED Table 14 CT configuration This parameter defines the primary rated current of the CT For two set of CTs with ratio 1000 1 and 1000 5 this parameter is set to the same value of 1000 for both CT inputs Negative values i e 1000 can be used in order to rever...

Page 77: ...on to the REx670 IED with the CAP531 configuration tool the IED is automatically set in configuration mode When the IED is set in configuration mode all functions are blocked The red LED on the IED flashes and the green LED is lit while the IED is in the configuration mode When the configuration is downloaded and completed the IED is automatically set into normal mode For further instructions plea...

Page 78: ...70 Downloading settings and configuration from a PC Chapter 10 Configuring the IED and changing settings ...

Page 79: ...dary injection Chapter 11 Verifying settings by secondary injection About this chapter This chapter describes how to verify that protection functions operate correctly and according to their settings It is preferable that only the tested function is in operation ...

Page 80: ...s The magnitude of voltage and current as well as the phase angle between voltage and current must be variable The voltages and currents from the test equipment must be obtained from the same source and they must have minimal harmonic content If the test equipment cannot indicate the phase angle a separate phase angle measuring instrument is necessary Prepare the IED for test before testing a part...

Page 81: ...dary injection Note Please observe the measuring accuracy of the IED the test equipment and the angular accuracy for both of them Note Please consider the configured logic from the function block to the output contacts when mea suring the operate time ...

Page 82: ...ter names can be found in the technical reference manual 2 2 Preparing the connection to the test equipment The IED can be equipped with a test switch of type RTXP 24 The test switch and its associated test plug handle RTXH 24 are a part of the COMBITEST system which provides secure and convenient testing of the IED When the test plug handle is inserted into the test switch preparations for testin...

Page 83: ...nu The dialog box Save changes appears 4 Choose Yes press E and exit the menu The yellow start LED above the LCD will start flashing when the IED is in test mode 2 4 Connecting test equipment to the IED Before testing connect the test equipment according to the IED specific connection diagram Pay special attention to the correct connection of the input and output current terminals and to the conne...

Page 84: ...d value 2 Inject a through going phase to phase current and voltage at rated value This is for RET only 3 Compare the injected value with the measured value The voltage phasor and current phasor menus are located under the Mea surements folder in the LHMI Measurements Monitoring Analog primary values and Measurements Monitoring Analog secondary values Take into consideration ratio factor settings ...

Page 85: ...e local HMI When testing a function in this blocking feature remember that not only the actual function must be activated but the whole sequence of inter connected functions from measuring inputs to binary output contacts including logic and so on Before starting a new test mode session the user should scroll through every function to en sure that only the function to be tested and the interconnec...

Page 86: ...bance report settings When the IED is in test mode the disturbance report can be made active or inactive If the dis turbance recorder is turned on during test mode recordings will be made When test mode is switched off all recordings made during the test session are cleared Settings for the control of the disturbance recorder during test mode are located in the local HMI under Settings General set...

Page 87: ...r A manual trig can be started at any time This results in a recording of the actual values from all recorded channels 2 8 Identifying the function to test in the technical reference manual The user can use the technical reference manual TRM to identify function blocks logic dia grams input and output signals setting parameters and technical data 2 9 Exit test mode The following procedure is used ...

Page 88: ...oup menu is located in the local HMI under Test Function status Setting groups 3 Connect the appropriate dc voltage to the corresponding binary in put of the IED and observe the information presented on the HMI dis play The displayed information must always correspond to the activated input 4 Check that the corresponding output indicates the active group Operating procedures for the PC aided metho...

Page 89: ...ith manual test and without trip of the test set 4 Reduce the voltage slowly and make note of the reset value The re set value must be high for this function 5 Check the operating time by injecting a voltage corresponding to 1 2 UR level Make note of the measured trip time 6 If required verify the trip time at another voltage Normally 2 UR is selected 7 If used measure the alarm level operating va...

Page 90: ...27 and tables 15 and 16 In cases where the load encroachment characteristic is activated tests according to the adjusted figures should be carried out To verify the settings for the operating points according to the following fault types should be tested One phase to phase fault when the Ph Ph measurement is included in the IED SW One phase to earth fault when the Ph E measurement is included in t...

Page 91: ...ry injection Figure 26 Distance protection ZM characteristic with test points for phase to phase mea surements Table 15 is used in conjunction with figure 26 X1 R X Ω phase 50 80 1 2 3 4 5 6 7 8 9 10 11 80 of RLdFw 40 of RLdFw 0 5 x RFPP 12 en05000368 vsd 13 a b c ...

Page 92: ...p X1 XN R X Ω loop 50 80 1 2 3 4 5 6 7 8 9 10 11 80 of RLdFw 40 of RLdFw RFPE 12 en05000369 vsd 13 a c b alt 80 of RFPE Load encroachment Test point Reach Set value Comments 1 X X1set R 0 2 X X1set R R1set 3 X 0 8 x X1set R 0 8 x R1set RFPP 2 4 X 0 5 x X1set R 0 5 x R1set RFPP 2 5 X 0 85 x RFPP x tan ArgRLd ArgRLd angle for the maximal load transfer R 0 85 x RFPP 6 X RLdFw x tan ArgLd R RLdFw 7 X ...

Page 93: ... value Comments Test point Reach Value Comments 1 X 2 x X1set X0set 3 R 0 2 X 2 x X1set X0set 3 R 2 x R1set R0set 3 3 X 0 8 x 2 x X1set X0set 3 R 0 8 x 2 x R1set R0set 3 RFPEset 4 X 0 5 x 2 x X1set R0set 3 R 0 5 x 2 x R1set R0set 3 RFPEset 5 X 0 85 x RFPEset x tan ArgLdset ArgLd angle for the maximal load transfer R 0 85 x RFPE 6 X RLdFwset x tan ArgLdSet R RLdFwset 7 X 0 R RLdFwset 8 X 02143 x RL...

Page 94: ...eleased The procedure for phase to earth faults in L3 is the same as that described for phase to phase faults except that figure 27 and table 16 should be re ferred to 5 1 2 Measuring the operate time of distance protection zones Procedure 1 Subject the IED to healthy normal load conditions for at least two seconds 11 X 0 27 x 2 x X1set X0set Exact 0 8 x 2 x X1set X0set 3 R 0 57 x 2 x X1set X0set ...

Page 95: ...P12 in figure 27and table 16 5 1 3 Completing the test Continue to test another function or end the test by changing the test mode setting to off 5 2 Phase selection with load enchroachment PDIS 21 Prepare the terminal for verification of settings as outlined in section 2 Preparing for test in this chapter The phase selectors operate on the same measuring principles as the impedance measuring zone...

Page 96: ...ate characteristic for phase selection element forward direction single phase faults ArgDir R Ohm phase X Ohm phase RFFwPE 60 deg 1 2 3 4 1 3 2 XN X Earthfault loop 5 6 8 9 10 Default values ArgNegRes 115 ArgDir 15 ArgLd 30 ArgNegDir 85 ArgLd 20 20 of RLdFw 80 of RLdFw 7 11 12 en05000496 vsd ...

Page 97: ...Verifying settings by secondary injection Figure 29 Phase selection characteristic for phase to phase faults X1 R X Ω phase 20 85 1 2 3 5 6 8 9 10 0 8 RLdFw 0 2 RLdFw 11 Ω phase ArgNegRes 60 0 5 RFFwPP ArgDir 12 4 7 ArgLd en05000497 vsd ...

Page 98: ... Verifying settings by secondary injection Figure 30 Phase selection characteristic for three phase faults 90 deg Ohm phase X 1 2 3 4 5 9 10 30 6 7 8 ArgNegRes ArgDir ArgLd X1 30 1 3 2 X 11 0 2 RLdFw 0 8 RLdFw 0 5 RFFwPE en05000498 vsd ...

Page 99: ...oop L3 E Ohm loop Test point Value Comments 1 R 0 2 R RIPE 3 4 5 R RLdFw 6 X 0 R RLdFw 7 R 0 8 RLdFw X 0 386 RLdFw 2 X 1 XN 3 X 2 X 1 XN 3 X 2 X 0 85 1 3 X XN 2 1 R 0 85 1 XN tan 60 3 X RFFwPE X 0 981 1 XN X R 0 567 1 XNL X L RFFwPE 3 X 2 RFFwPE 3 R 3 2 RFFwPE X tan RLdFw ArgLd X 1 732 RFFwPE X 0 8 tan RLdFw ArgLd ...

Page 100: ...ed to be used instead of point 4 5 and 6 when shaped load characteristic is not activated OperationLdCmd OFF Test point Value Comments X 0 2 tan RLdFw ArgLd R 0 2 RLdFw X 0 346 RLdFw 2 X 0 2 1 XN 3 X 2 R 0 2 1 XN tan 90 3 X AngNegDir X 0 231 1 XN X set R 0 108 1 XN X 2 X 0 85 1 XN 3 X 2 R 0 85 1 XN tan 90 3 X ArgNegDir X 0 981 1 XN X R 0 458 1 XN X 2 X 0 2 1 XN 3 X 2 R 0 2 1 XN 3 tan 60 X X 0 231 ...

Page 101: ...e 18 Test points for phase phase loops L1 L2 Test point Value Comments 1 X X1 R 0 2 X X1 R RIPP 3 X 0 85 X1set 4 5 R RLdFw 6 X 0 R RLdFw 7 X 0 8 RLdFw tan ArgDir R 0 8 RLdFw 0 85 1 2 3 X RFFwPP R 3 4 X RFFwPP 3 4 R RFFwPP X 0 433 RFFwPP X tan RLdFw ArgLd X 0 577 RLdFw X 0 214 RLdFw ...

Page 102: ...Fw tan ArgDir R 0 2 RLdFw 9 X 0 2 X1 10 X 0 85 X1set 11 X 0 2 X1 12 X 0 R 0 5 RFFwPP Note This test points is proposed to be used instead of point 4 5 and 6 when shaped load characteristic is not activated OperationLdCmd OFF Test point Value Comments X 0 054 RLdFw 0 2 1 tan 90 X R ArgNegDir R 0 432 1 X 0 8 1 tan 90 X R ArgNegDir R 1 727 1 X 0 2 1 tan 60 X R R 0 346 1 X set ...

Page 103: ...ts for three phase faults Test point Value Comments 1 2 3 4 5 R RLdFw 6 X 0 R RLdFw 4 1 3 X X X 1 33 1 X set 4 1 0 85 1 3 2 3 X X RFFwPP 3 2 1 0 8 1 3 4 R X RFFwPP X 1 067 1 0 231 X RFFwPP 4 1 3 X X 0 5 R RFFwPP X 0 75 1 X set 1 X 2 3 RFFwPP 0 5 R RFFwPP X 0 289 RFFwPP 3 3 X RLdFw X 0 577 RLdFw ...

Page 104: ...esult of the measure ment with the expected value according to table 30 The corresponding binary signals that inform about the operation of the phase selection measuring elements are available in the local HMI under the menu Measurements Monitoring Current phasors and 7 R 0 8 RLdFw 8 R 0 8 RLdFw 9 X 0 2 X1 10 X 0 8 X1 11 X 0 5 RFFwPP tan AngDir R 0 5 RFFwPP Note This test points is proposed to be ...

Page 105: ...LdCh Off then the test points 4 5 and 6 can be replaced by number 12 5 Repeat steps to to find the operate value of a three phase fault ac cording to figure and compare the result with table30 6 Continue to test another function or complete the test by setting the test mode to off 5 3 Power swing detection RPSB 78 The aim of this instruction is to verify the settings of the PSD function and to ver...

Page 106: ...of the PSD function It is also possible to observe the START signal on the regular output ter minals if provided during the engineering stage Check the correspond ing IED documentation 2 Slowly decrease the measured voltages in all three phases until the W meter detects the appearance of the START signal 3 Increase the measured voltages to their rated values 4 Decrease instantaneously voltages in ...

Page 107: ...e the measured voltages until the START signal ap pears 5 Increase the measured voltages to their rated values 5 3 3 Testing the two of three phase operation Procedure 1 Reconfigure the IED according to the following list REL1PH to FIXD OFF BLK1PH to FIXD ON REL2PH to FIXD ON BLK2PH to FIXD OFF 2 Slowly decrease the measured voltages to the value which is rough ly 20 lower than the operating value...

Page 108: ...l ap pears 7 Close the switch towards the binary input with I0CHECK connection and observe the START signal It must reset instantaneously 8 Open the switch towards the I0CHECK functional input 9 Open the switch towards the TRSP functional input and close with some time delay the switch towards the I0CHECK functional input The START signal resets if the time difference between opening the first and...

Page 109: ... START signal ap pears It should reset after the time delay set on tR2 timer It is also possible to measure the time delay tR2 4 Connect for this purpose the timer to the binary output with the START signal 5 Start the timer with change of the signal from 0 to 1 and stop it with the change from 1 to 0 6 Increase the measured voltages to their rated values 5 3 7 Testing the block input Procedure 1 ...

Page 110: ... applied This fault shall cause an instantaneous trip and result in a TRIP indication 5 4 1 External activation of the PSOF function Procedure 1 Activate the switch onto fault BC input During normal operating conditions the BC input is de energized 2 Apply a three phase fault condition corresponding to a fault at ap proximately 45 of the line or with an impedance at 50 of used zone setting and cur...

Page 111: ...cted current in the Ln phase until the TRL n 1 3 signal appears 4 Switch the fault current off Observe the maximum permitted overloading of the current circuits in the IED 5 Compare the measured operating current with the set value 6 Set operation mode to 2 out of 3 and inject current into one of the phases Check no operation 6 1 2 Completing the test Continue to test another function or end the t...

Page 112: ...tage angle of phase L1 is the reference If reverse directional function is selected set the injection current to lag the polarizing voltage by an angle equal to 80 180 4 Increase the injected current and note the operated value of the stud ied step of the function 5 Decrease the current slowly and note the reset value 6 If the test has been performed by injection of current in phase L1 re peat the...

Page 113: ...uous current of the terminal does not exceed four times its rated value 6 3 1 Measuring the operate limit of set values Procedure 1 Inject a phase current into the IED with an initial value below that of the setting 2 Increase the injected current in the Ln or in the neutral summated current input phase until the TRIP signal appears 3 Switch the fault current off Observe the maximum permitted over...

Page 114: ... current in phase L1 re peat the test when injecting current into terminals L2 and L3 with a polarizing voltage connected to terminals L2 respectively L3 6 Block higher set stages when testing lower set stages according to the instructions that follow 7 Connect a trip output contact to a timer 8 Set the injected current to 200 of the operate level of the tested stage switch on the current and chec...

Page 115: ...malOverload1TimeConst PTTR 26 THLn 3 Switch the fault current on and take note of the temperature Test Current protection ThermOverLoad1TimeConst PTTR 26 THLn TEMP 4 Check the Alarm time limit AlarmTemp during injection Measure the signal ALARM until it appears on the corresponding binary output or on the local HMI 5 Compare the measured temperature with the setting 6 Measure the THL protection tr...

Page 116: ...IED Valid terminal diagram for the IED Technical reference manual Three phase test equipment The Technical reference manual contains application and functionality summaries function blocks logic diagrams input and output signals a list of setting parameters and technical data for the function The test equipment should be able to provide a three phase supply of currents and for some start functions...

Page 117: ...rt of BFP with a current just below set IN 2 Repeat the fault condition and increase the current in steps until trip appears 3 Compare the result with the set IN 4 Disconnect AC and start input signals 6 7 3 Checking the re trip and back up times The check of the set times can be made in connection with the check of operate values above Choose the applicable function and trip mode such as FunctMod...

Page 118: ...urrent below set current value 5 Verify that no re trip and no back up trip is obtained 6 Disconnect AC and start input signals Checking re trip without current check RetripMode No I check Procedure 1 Set RetripMode No I check 2 Apply the fault condition including start of BFP well above the set current value 3 Verify that re trip is achieved after set time t1 and back up trip after time t2 4 Appl...

Page 119: ...phase cur rent below set IP but above IN The residual EF should then be above set IN 3 Verify that back up trip is achieved after set time If selected re trip should also appear 4 Disconnect AC and start input signals Checking the case BuTripMode 2 out of 4 The EF current setting IN may be equal to or below phase current setting IP Procedure 1 Set BuTripMode 2 out of 4 2 Apply the fault condition ...

Page 120: ...cedure 1 Set FunctionMode Contact 2 Apply input signal for CB closed to relevant input or inputs CBCLDL 3 Apply input signal or signals for start of BFP The value of current could be low 4 Verify that re trip and back up trip are achieved after set times 5 Disconnect the start signal s Keep the CB closed signal s 6 Apply input signal s for start of BFP The value of current could be low 7 Arrange d...

Page 121: ...ue of current should be below the set value I BlkCont 4 Verify that re trip if selected and back up trip are achieved after set times Failure to trip is simulated by keeping the signal s CB closed activated 5 Disconnect the AC and the start signal s Keep the CB closed sig nal s 6 Apply the fault and the start again The value of current should be be low the set value I BlkCont 7 Arrange disconnecti...

Page 122: ...ing current and switch the current off with the switch Observe the maximum permitted overloading of the current circuits in the IED 4 Switch the fault current on and measure the operating time of the STUB protection Use the TRIP signal from the configured binary output to stop the timer The operation should be instantaneously 5 Activate the BLOCK binary input 6 Switch on the fault current 110 of t...

Page 123: ... should be performed together with AR 5 Activate the EXTPDIND binary input No TRIP signal should appear 6 Reset both BLKDBYAR and EXTPDIND binary inputs 7 Activate the BLOCK binary input 8 Activate EXTPDIND binary input NO TRIP signal should appear 9 Reset both BLOCK and EXTPDIND binary inputs 10 If Internal detection logic Contact function selection ContSel setting equals Pole position from auxil...

Page 124: ... Deactivate the CLOSECMD Decrease one current with 120 of the Current Unsymmetry level compared to the other two phases Acti vate CLOSECMD and measure the operating time of the PD protec tion Use the TRIP signal from the configured binary out put stop the timer 15 Deactivate the CLOSECMD Decrease one current with 80 of the Current Unsymmetry level compared to the other two phases Acti vate CLOSECM...

Page 125: ... 5 Increase the measured voltage to rated load conditions 6 Make sure that the START signal resets 7 Instantaneously decrease the voltage in one phase to a value about 20 lower than the measured operate value 8 Measure the time delay for the TRIP signal and compare it with the set value Extended testing Procedure 1 The test above can now be repeated for Step2 2 The tests above can be repeated for ...

Page 126: ...g the test Continue to test another function or end the test by changing the test mode setting to off Restore connections and settings to their original values if they were changed for testing purposes 7 3 Two step residual overvoltage protection POVM 59N Prepare the IED for verification of settings as outlined in section 1 Overview and section 2 Preparing for test in this chapter 7 3 1 Verifying ...

Page 127: ...ettings by secondary injection 7 3 2 Completing the test Continue to test another function or end the test by changing the test mode setting to off Restore connections and settings to their original values if they were changed for testing purposes ...

Page 128: ...se the frequency until rated operating levels are reached 6 Make sure that the START signal resets 7 Instantaneously decrease the frequency of the applied voltage to a value about 20 lower than the operate value 8 Measure the time delay of the TRIP signal and compare it with the set value Extended testing Procedure 1 The test above can be repeated to check the time to reset 2 The tests above can b...

Page 129: ...te Procedure 1 Make sure that you have appropriate settings in the terminal espe cially the Start value and the definite time delay 2 Supply the terminal with three phase voltages at their rated values 3 Slowly increase the frequency of the applied voltage until the START signal appears 4 Note the operate value and compare it with the set value 5 Decrease the frequency to rated operating condition...

Page 130: ...of settings as outlined in section 1 Overview and section 2 Preparing for test in this chapter 8 3 1 Verifying the settings Verification of Start value and time delay to operate Procedure 1 Make sure that you have appropriate settings in the terminal espe cially the Start value and the definite time delay Set StartFreqGrad to a rather small negative value 2 Supply the terminal with three phase vol...

Page 131: ... 2 The tests above can be repeated to check the time to reset 3 The tests above can be repeated to test the RESTORE signal when the frequency recovers from a low value 8 3 2 Completing the test Continue to test another function or end the test by changing the test mode setting to off Restore connections and settings to their original values if they were changed for testing purposes ...

Page 132: ...overcurrent feature non directional Procedure 1 Go to the Test Function Test Mode Multipurpose protection menu and make sure that the GF to be tested is unblocked and other func tions that might disturb the evaluation of the test are blocked 2 Connect the test set for injection of 3 phase currents to the appropri ate current terminals of IED670 3 Inject current s in a way that relevant measured cu...

Page 133: ...d from the test set Overall check in principal as above non directional overcurrent feature 3 Operate value measurement The relevant voltage restraining value according to setting parameter VoltageInput has also to be injected from the test set and the influence on the operate value has to be calculated when the testing the operate val ue is done 4 Operate time measurement Definite times may be te...

Page 134: ...arameter is set to ToObject If reverse directional feature is selected or CTstarpoint configuration pa rameter is set to FromObject the angle between current and polarizing voltage shall be set equal to rca dir 180 4 Overall check in principal as above non directional overcurrent fea ture 5 Reverse the direction of the injection current and check that the pro tection does not operate 6 Check with ...

Page 135: ...e reference current input I5 4 Decrease slowly the current to the reference current input and check that blocking is obtained when the current is about 0 1 IBase 5 Continue to test another function or complete the test by setting the test mode off 10 2 Fuse failure supervision RFUF Prepare the IED for verification of settings as outlined in section 1 Overview and section 2 Preparing for test in th...

Page 136: ...re than 5 seconds disconnect the remaining two phase volt ages and all three currents There should be no change in the high status of the output signals BLKU and BLKZ The signal 3PH will appear 8 Establish normal voltage and current operating conditions simulta neously and observe the corresponding output signals They should change to logical 0 as follows Signal 3PH after about 25 ms Signal BLKU a...

Page 137: ...ents in phase with their corresponding phase voltages and with all of them equal to their rated values 2 Slowly decrease the measured voltage in one phase until the BLKU signal appears 3 Record the measured voltage and calculate the corresponding ze ro sequence voltage according to the equation Observe that the voltages in the equation are phasors Equation 2 4 Compare the result with the set value...

Page 138: ...ne detection is not activated at the same time 3PH should appear after 5 seconds if the remaining voltage levels are lower than the set UDLD of the DLD function 4 Apply normal conditions as in step 1 The BLKU BLKZ and 3PH signals should reset if activated see step 3 5 Change the voltages and currents in all three phases simultaneous ly The voltage change should be greater then set DU and the curre...

Page 139: ...test procedures below describe the settings which can be used as ref erences during testing before the final settings are specified After testing restore the equipment to the normal or desired settings A secondary injection test set with the possibility to alter the phase angle by regulation of the resistive and reactive components is needed The test set must also be able to generate different fre...

Page 140: ...ngs by secondary injection Figure 32 General test connection with three phase voltage connected to the line side Test equipment UMeasure Ph N Ph Ph en05000480 vsd U Bus U Line N REx670 U Bus N UL1 UL2 UL3 N Input Phase L1 L2 L3 L12 L23 L31 ...

Page 141: ...chronizing function is included The voltage inputs used are The settings in table 20 shows typical values The final settings should be used during testing U Bus1 U Line1 N Test equipment REx670 U3PBB1 N en05000481 vsd N UMeasure Ph N Ph Ph U Bus2 U Line2 U3PBB2 U3PLN2 U3PLN1 UP3LN1 UL1 UL2 or UL3 voltage inputs on the IED UP3BB1 Bus1 voltage input on the IED UP3BB2 Bus2 voltage input on the IED UP...

Page 142: ...gleBus AutoEnerg Off ManEnerg Off ManEnergDBDL Off UHighBusEnerg 80 UBase UHighineEnerg 80 UBase ULowBusEnerg 30 UBase ULowLineEnerg 30 UBase UMaxEnerg 125 UBase OperationSynch On UHighBusSynch 70 UBase UHighLineSynch 70 UBase UDiffSynch 15 UBase FreqDiffMin 0 01 Hz FreqDiffMax 0 22 Hz tMaxSynch 600 sec OperationSC On PhaseDiffM 35 degrees PhaseDiffA 35 degrees FreqDiffM 0 01 Hz FreqDiffA 0 01 Hz ...

Page 143: ... limit 4 Repeat with different frequency differences e g 100 mH with f bus nominal and line leading and for example 20 mHz or just above fSynMin to verify that independent of frequency difference the clos ing pulse occurs within 2 degrees 5 Verify that the closing command is not issued when the frequency difference is less than the set value fSynMin 11 1 2 Testing the synchronism check During test...

Page 144: ...rease the U bus to 110 UBase and the U line 90 UBase and also the opposite condition 2 Check that the two outputs for manual and auto synchronism are not activated Testing the phase angle difference The phase angle differences PhaseDiffM and PhaseDiffA respectively are set to their final set tings and the test should verify that operation is achieved when the phase angle difference is low er than ...

Page 145: ...e figure 34 Testing the frequency difference The frequency difference test should verify that operation is achieved when the FreqDiff fre quency difference is lower than the set value for manual and auto synchronism check respective ly and that operation is blocked when the frequency difference is bigger Test with FreqDiff 0 mHz 1 Apply voltages U Line equal to 100 UBase and U Bus equal to 100 UBa...

Page 146: ...ing the energizing check During test of the energizing check function for a single bay arrangement these voltage inputs are used General At test of the energizing check function for the applicable bus arrangement shall be done for the energizing check functions The voltage is selected by activation of different inputs in the volt age selection logic The test shall be performed according to the set...

Page 147: ...30 UBase The outputs should not be activated 5 The test can be repeated with different values on the U bus and the U line Testing both directions DLLB or DBLL Procedure 1 Verify the local HMI settings AutoEnerg or ManEnerg to be Both 2 Apply a single phase voltage of 30 UBase to the U line and a sin gle phase voltage of 100 UBase to the U bus 3 Check that the AUTOENOK and MANENOK outputs are activ...

Page 148: ... the analog inputs used for each bus or line depending of the type of busbar arrangement and verify that cor rect output signals are generated Testing the voltage selection for double breaker or 11 2 circuit breaker diameter when applicable This test should verify that correct voltage is selected for the measurement in the energizing function used for a diameter in a one and a half breaker arrange...

Page 149: ...g shot 2 and later ones The verification test is performed together with protection and trip functions Figure 35 illus trates a suggested testing arrangement where the circuit breaker CB is simulated by an exter nal bi stable relay BR for example a relay type RXMVB2 or RXMD The following manual switches are used Switch or push button to close SC Switch or push button to trip ST Switch for CB ready...

Page 150: ...e manual for the IED Relay test set for secondary injection Means to indicate measure and record operation and times e g an event record ing facility A bi stable relay BR or two auxiliary relays to simulate a CB Two push buttons SC ST to operate the BR and a change over switch SRY to simulate CBREADY Possibly a switch simulation the Synchronism check SYNC condition Figure 35 Simulating the CB oper...

Page 151: ...eration counters Local HMI tree Test Function status Control Auto recloser Autorecloser RREC 79 Possibly reset the counters to zero Counters are reset in the RESET menu 4 Make arrangements for the simulation of the CB e g as in figure 35 5 Make arrangements for indication recording and time measure ments The signals for CBPOS START CLOSECB READY and other rele vant signals should preferably be arr...

Page 152: ... be opened for about 5 s and then closed again The auto reclosing open time and the sequence should be checked for example in the event recording Check also the operation indications dis turbance report and the operation counters Test Function status Control Autorecloser RREC 79 Should the operation not be as expected this should be investigated It could be caused by an inappropriate setting or mi...

Page 153: ...osing shot without the INHIBIT signal 2 Apply a fault and thereby a START signal At the same time or during the open time apply a signal to the input INHIBIT 3 Check that the reclosing sequence is interrupted and no reclosing takes place Check closing onto a fault Procedure 1 Check that the reclosing function is operative e g by making a re closing shot Keep the CBREADY signal high 2 Set the break...

Page 154: ... breaker arrangement The usual arrangement is to have an auto reclosing function per circuit breaker They can be in different CB related units IEDs or in a common unit One auto reclosing function Master is set with Priority High and the other Slave with Priority Low An illustration of typical inter connections is shown in the Application manual section Autorecloser Setting guidelines The two funct...

Page 155: ...if they were changed for test purposes 11 3 Apparatus control APC The apparatus control function consists of four types of function blocks which are connected in a delivery specific way between bays and to the station level For that reason test the total func tion in a system that is either in a complete delivery system as an acceptance test FAT SAT or as parts of that system 11 4 Interlocking Pre...

Page 156: ...sting permissive underreach Procedure 1 Activate the carrier receive CR signal in the IED 2 Apply healthy normal load conditions to the IED for at least two sec onds 3 Apply a fault condition within the permissive zone 4 Check that correct trip outputs external signals and indications are obtained for the actual type of fault generated 5 Check that other zones operate according to their zone timer...

Page 157: ...nd external signals are obtained for the type of fault generated and that the operate time complies with the tCoord timer plus relay measuring time 5 Check that the other zones operate according to their zone times and that a carrier send CS signal is only obtained for the reverse zone 6 Activate the IED carrier receive CR signal 7 Apply a fault condition in the forward directed zone used for sche...

Page 158: ... fault By continuously activating the CR input and changing from a reverse to a forward fault the de lay tDelay can be checked Checking of current reversal Procedure 1 Activate the carrier receive CRL signal 2 Set the healthy condition to an impedance at 50 of the reach of the reverse zone connected to IRVL 3 After the start condition is obtained for reverse zone apply a fault at 50 of the reach o...

Page 159: ... set these parameters Table 21 Change all settings cyclically for other faults L2 N and L3 N Weak end infeed set for trip 1 Apply input signals according table 21 2 Activate the carrier receive CR signal of the terminal 3 After the relay has operated turn off the input signals 4 Check that trip carrier send signal and indication are obtained note a 200mS pulse Weak end infeed set for echo 1 Apply ...

Page 160: ...taneously 9 Continue to test another function or end the test session by chang ing the test mode setting to off 12 4 Scheme communication logic for residual overcurrent protection PSCH 85 Prepare the IED for verification of settings as outlined in section 1 Overview and section 2 Preparing for test in this chapter Before testing the communication logic for residual overcurrent protection the four ...

Page 161: ...ppear 8 Switch the fault current off 9 Reset the CR binary input 10 Activate the BLOCK digital input 11 Switch the fault current on 110 of the setting and wait for a period longer than the set value tCoord No TRIP signal should appear 12 Switch the fault current and the polarizing voltage off 13 Reset the BLOCK digital input Permissive scheme Procedure 1 Inject the polarizing voltage 3U0 which is ...

Page 162: ...n 1 Overview and section 2 Preparing for test in this chapter First test the time delayed residual overcurrent protection according to the corresponding in struction Then continue with the instructions below Logical signals for current reversal and WEI logic for residual overcurrent protection are avail able under menu tree Test Functio status Current protec tion ResidualOverCurrent4Step PEFM 51N ...

Page 163: ...d check that the ECHO and CS appears on the corresponding binary output or on the local HMI unit about 200 ms after resetting the directional element 6 Switch off the CRL binary input 7 Activate the BLOCK binary input 8 Activate the CRL binary input No ECHO and CS should appear 9 Switch off the polarizing voltage and reset the BLOCK and CRL bina ry input If setting WEI Trip Procedure 1 Inject the ...

Page 164: ...about 110 of the setting operating current IN Dir 12 Activate the CRL binary input No ECHO CS and TRWEI should appear 13 Abruptly reverse the current to 65 lagging the voltage to operate the forward directional element No ECHO CS and TRWEI should appear 14 Switch the current off and check that the ECHO CS and TRWEI ap pears on the corresponding binary output or on the local HMI about 200 ms after ...

Page 165: ...three phase trip in all cases when trip is initiated by any protection or some other built in or external function The following functional output signals must always appear si multaneously TRIP TRL1 TRL2 TRL3 and TR3P 13 1 2 1ph 3ph operating mode In addition to various other tests the following tests should be performed They depend on the complete configuration of an IED Procedure 1 Make sure th...

Page 166: ...thin the time interval shorter than tEvolvingFault default set ting 2 0 s and shorter than the dead time of the auto reclosing function when included in the protection scheme Check that the second trip is a three phase trip and that a three phase au toreclosing attempt is given after the three phase dead time Functional outputs TRIP TRLn and TR1P should be active during first fault No oth er outpu...

Page 167: ...o earth fault and switch it off immediately when the trip signal is generated for the corresponding phase Ini tiate the second single phase to earth fault in one of the remaining phases within the time interval shorter than tEvolvingFault default setting 2 0 s and shorter than the dead time of the auto reclosing function when included in the protection scheme Check that the second trip is a three ...

Page 168: ...KOUT should not be set 7 Activate the automatic lockout function set AutoLock On and re peat Beside the trip outputs CLLKOUT should be set 8 Reset the lockout signal by shortly thereafter activating the reset lockout RSTLKOUT signal 9 Activate the trip signal lockout function set TripLockout On and repeat All trip outputs TRLn and functional outputs TRIP and TR3P should be active and stay active a...

Page 169: ...rom the PST as follows Use event masks Report no events Report all events In Test Mode individual event blocks can be blocked from the PCM600 Individually event blocks can also be blocked from the local HMI under the menu 14 3 Fault locator RFLO Prepare the IED for verification of settings as outlined in section 1 Overview and section 2 Preparing for test in this chapter The fault locator function...

Page 170: ...phase faults in for single phase to earth faults in for single phase to earth faults with mutual zero sequence current Parameter Condition I Higher than 30 Ir Healthy conditions U 63 5 V I 0 A ZF 0 Impedance Z Test point Note Zx X0 2 X1 3For single phase faults Zx X1 For three and two phase faults Zx X0 2 X1 XM 3For single phase fault with mutual zero sequence current Impedance angle ZΦ Test angle...

Page 171: ...ings by secondary injection 14 3 2 Completing the test Continue to test another function or end the test by changing the test mode setting to off Restore connections and settings to the original values if they were changed for testing purpose ...

Page 172: ...arameter Setting Tool in the PCM or an ap propriate connection to a local HMI with the necessary functionality A known number of pulses with different frequencies are connected to the pulse counter input The test should be performed with settings Operation Off On and the function blocked deblocked The pulse counter value is then recorded by the PCM or local HMI ...

Page 173: ...an error output COMFAIL which is set to a logical 1 if anything is wrong with the communication through the actual mod ule Status for inputs and outputs as well as self supervision status are available from the local HMI Test correct functionality by simulating different kind of faults Also check that sent and re ceived data is correctly transmitted and read A test connection is shown in figure 36...

Page 174: ...166 Remote communication Chapter 11 Verifying settings by secondary injection ...

Page 175: ...r 12 Commissioning and maintenance of the fault clearing system Chapter 12 Commissioning andmaintenanceof the fault clearing system About this chapter This chapter discusses maintenance tests and other periodic maintenance measures ...

Page 176: ...on of a specific IED it is Type tested according to national and international standards Each individual relay in normal production is individually tested and calibrated before delivery Protection relays installed in an apparatus cubicle shall be checked in various ways before de livery Insulation test to check for bad wiring and complete testing of all equipment with in jection of currents and vo...

Page 177: ...ary verification of all directional functions where load currents is checked on the IED through the LHMI or the PCM600 tool The amplitudes and angles of all currents and voltages should be checked and the symmetry verified Directional functions have information about the measured direction and for example measured impedance These values must be checked and verified as correct with the export or im...

Page 178: ...ection Prior to testing the protection IEDs should be inspected in order to detect any visible damage that may have occurred dirt or moisture deposits overheating etc Should burned contacts be observed when inspecting the relays a diamond file or an extremely fine file can be used to pol ish the contacts Emery cloth or similar products must not be used as insulating grains of abra sive may be depo...

Page 179: ...nd all results should be compared for differences At component failures spare equipment is used and set to the requested value A note of the ex change is made and the new measured values are recorded Test records for several years of test ing should be stored in a common file for a station or a part of a station to give a simple overview of the period of testing and achieved test values These test...

Page 180: ...mended to measure the service currents and service voltages recorded by the protection IED The service values are checked on the IED670 local HMI or with the PCM600 tool Ensure that the correct values and angles between voltages and currents are recorded Also check the direction of directional functions such as Distance and directional overcurrent functions For a transformer differential protectio...

Page 181: ...About this chapter Chapter 13 Fault tracing and repair Chapter 13 Fault tracing and repair About this chapter This chapter describes how to carry out fault tracing and if necessary a change of circuit board ...

Page 182: ... signals are active INT RTCERROR INT IEC61850ERROR INT TIMESYN CHERROR NUM Fail OFF ON This signal will be active if one or more of the following internal signals are active INT WATCHDOG INT APPERROR INT RTEERROR INT FTFERROR NUM Warning OFF ON This signal will be active if one or more of the following internal signals are active INT RTCERROR INT IEC61850ERROR ADMnn READY FAIL Analogue input modul...

Page 183: ...ult has occurred you can retrieve extensive information about the fault from the list of internal events available in the SMS part TRM STAT TermStatus Internal Events The list of internal events provides valuable information which can be used during commission ing and during fault tracing Application READY FAIL This signal will be active if one or more of the application threads are not in the sta...

Page 184: ...fault tracing it provides information on the Module that should be changed Event message Description Generating signal INT FAIL Off Internal fail status INT FAIL reset event INT FAIL INT FAIL set event INT WARNING Off Internal warning status lNT WARNING reset event INT WARNING lNT WARNING set event INT NUMFAIL Off Numerical module fatal error sta tus INT NUMFAIL reset event INT NUMFAIL INT NUMFAIL...

Page 185: ...177 Fault tracing Chapter 13 Fault tracing and repair Sequence of faults if more than one unit is faulty Exact time when the fault occurred ...

Page 186: ...e connectors 4 Disconnect the optical fibres 5 Unscrew the main back plate of the IED 6 If the transformer module is to be changed unscrew the small back plate of the IED 7 Pull out the faulty module 8 Check that the new module has a correct identity number 9 Check that the springs on the card rail are connected to the corresponding metal lic area on the circuit board when the new module is insert...

Page 187: ...one of these modules with maintained accuracy To maintain the accuracy feature the calibration file stored in the NUM must match the TRM and ADM used together with the NUM As a consequence of this a faulty NUM can be replaced without replacing the TRM and ADM only if the original serial number is supplied when order ing a new NUM Because these modules are factory calibrated all three modules will ...

Page 188: ...g and repair 3 Repair support If a REx670 IED needs to be repaired the whole IED must be removed and sent to an ABB Lo gistic Center Before returning the material an inquiry must be sent to the ABB Logistic Center e mail offer selog se abb com ...

Page 189: ...acing and repair 4 Maintenance The REx670 IED is self supervised No special maintenance is required Instructions from the power network company and other maintenance directives valid for main tenance of the power system must be followed ...

Page 190: ...182 Maintenance Chapter 13 Fault tracing and repair ...

Page 191: ...183 About this chapter Chapter 14 Glossary Chapter 14 Glossary About this chapter This chapter contains a glossary with terms acronyms and abbreviations used in ABB technical documentation ...

Page 192: ...r function transmit blocks C34 97 Protocol used in LON CAN Controller Area Network ISO standard ISO 11898 for serial communi cation CAP 531 Configuration and programming tool CB Circuit breaker CBM Combined backplane module CCITT Consultative Committee for International Telegraph and Telephony A United Nations sponsored standards body within the International Tele communications Union CCM CAN Carr...

Page 193: ...us DR Disturbance Recorder DRH Disturbance Report Handler DSP Digital signal processor DTT Direct transfer trip scheme EHV network Extra high voltage network EIA Electronic Industries Association EMC Electro magnetic compatibility EMI Electro magnetic interference ESD Electrostatic discharge FOX 20 Modular 20 channel telecommunication system for speech data and protection signals FOX 512 515 Acces...

Page 194: ... PCI Mezzanine Card PMC standard for local bus modules References the CMC IEEE P1386 also known as Common Mezzanine Card stan dard for the mechanics and the PCI specifications from the PCI SIG Special Interest Group for the electrical EMF Electro Motive Force EMF Electro Motive Force IED Intelligent Electronic Device I GIS Intelligent gas insulated switchgear IOM Binary Input Output module Instanc...

Page 195: ...le OCO cycle Open Close Open cycle OLTC On Load Tap Changer OV Over voltage Overreach A term used to describe how the relay behaves during a fault condition For example a distance relay is over reaching when the impedance pre sented to it is smaller than the apparent impedance to the fault applied to the balance point i e the set reach The relay sees the fault but per haps it should not have seen ...

Page 196: ...andard IEC 61850 SLM Serial communication module Used for SPA LON IEC communication SMA connector Subminiature version A A threaded connector with constant impedance SMS Station monitoring system SNTP Simple Network Time Protocol is used to synchronize computer clocks on local area networks This reduces the requirement to have accurate hardware clocks in every embedded system in a network Each emb...

Page 197: ...deliver measured voltage and cur rent values UTC Coordinated Universal Time A coordinated time scale maintained by the Bureau International des Poids et Mesures BIPM which forms the basis of a coordinated dissemination of standard frequencies and time signals UTC is derived from International Atomic Time TAI by the addi tion of a whole number of leap seconds to synchronize it with Universal Time 1...

Page 198: ...190 Glossary Chapter 14 Glossary ...

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