ABB REG670 Commissioning Manual
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ABB REG670 Commissioning Manual

Generator protection version 2.2 iec
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670 SERIES
Generator protection REG670
Version 2.2 IEC
Commissioning manual

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  • Page 1 ® Relion 670 SERIES Generator protection REG670 Version 2.2 IEC Commissioning manual...
  • Page 3 Document ID: 1MRK 502 073-UEN Issued: June 2021 Revision: J Product version: 2.2 © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 4 Young (eay@cryptsoft.com) and Tim Hudson (tjh@cryptsoft.com). Trademarks ABB is a registered trademark of ABB Asea Brown Boveri Ltd. Manufactured by/for a Hitachi Power Grids company. All other brand or product names mentioned in this document may be trademarks or registered trademarks of their respective holders.
  • Page 5 Disclaimer The data, examples and diagrams in this manual are included solely for the concept or product description and are not to be deemed as a statement of guaranteed properties. All persons responsible for applying the equipment addressed in this manual must satisfy themselves that each intended application is suitable and acceptable, including that any applicable safety or other operational requirements are complied with.
  • Page 6 Conformity This product complies with the directive of the Council of the European Communities on the approximation of the laws of the Member States relating to electromagnetic compatibility (EMC Directive 2004/108/EC) and concerning electrical equipment for use within specified voltage limits (Low-voltage directive 2006/95/EC).

  • Page 7: Table Of Contents

    Checking VT circuits......................46 4.10 Using the RTXP test switch ....................46 4.11 Checking the binary input/output circuits................47 4.11.1 Binary input circuits......................47 4.11.2 Binary output circuits......................47 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 8 Commissioning and acquiring references................. 81 7.2.4.1 B.1 Recording of data during different operating conditions of the generator....86 7.2.4.2 B.2 Analysis of collected data.................. 86 7.2.4.3 B.3 Setting of REG670....................90 7.2.5 Auditing..........................91 7.2.6 Editing features in graph....................92 7.2.7 Logging measurements to file................... 93 7.2.8...
  • Page 9 How to undo forcing changes and return the IED to normal operation......128 12.8.4.1 Undo forcing by using TESTMODE component............128 12.8.4.2 Undo forcing by using LHMI..................128 12.8.4.3 Undo forcing by using PCM600................. 128 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 10 13.4.4.2 Completing the test....................145 13.4.5 Out-of-step protection OOSPPAM ..................145 13.4.5.1 Verifying the settings....................146 13.4.5.2 Test of point RE (R )................. 149 FwdR FwdX Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 11 Checking the residual (earth fault) current operate value IN> set below IP> ....178 13.5.8.4 Checking the re-trip and back-up times..............178 13.5.8.5 Verifying the re-trip mode................... 178 13.5.8.6 Verifying the back-up trip mode .................179 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 12 Two step undervoltage protection UV2PTUV ..............196 13.6.1.1 Verifying the settings....................196 13.6.1.2 Completing the test....................197 13.6.2 Two step overvoltage protection OV2PTOV ..............197 13.6.2.1 Verifying the settings....................197 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 13 Completing the test....................212 13.9 Secondary system supervision..................213 13.9.1 Current circuit supervision CCSSPVC ................213 13.9.1.1 Verifying the settings....................213 13.9.1.2 Completing the test....................213 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 14 3 phase operating mode.................... 232 13.11.1.3 1ph/3ph operating mode ................... 232 13.11.1.4 1ph/2ph/3ph operating mode ..................233 13.11.1.5 Circuit breaker lockout....................234 13.11.1.6 Completing the test....................234 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 15 Function for energy calculation and demand handling ETPMMTR......... 245 13.13.2.1 Verifying the settings....................245 13.13.2.2 Completing the test....................246 13.14 Station communication...................... 247 13.14.1 Multiple command and transmit MULTICMDRCV / MULTICMDSND......247 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 16 Diagnosing the IED status via the LHMI hint menu............260 16.2.4 Hardware re-configuration....................263 16.3 Repair instruction......................264 16.4 Repair support........................265 16.5 Maintenance........................265 Section 17 Glossary..................... 267 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 17: Introduction

    The commissioning personnel must have a basic knowledge of handling electronic equipment. The commissioning and maintenance personnel must be well experienced in using protection equipment, test equipment, protection functions and the configured functional logics in the IED. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 18: Product Documentation

    IED. The manual also describes how to identify disturbances and how to view calculated and measured power grid data to determine the cause of a fault. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 19: Document Revision History

    RAD_DEG, CONST_REAL, REALSEL, STOREINT, STOREREAL, DEG_RAD and RSTP added. Updates/ enhancements made to functions ZMFPDIS, ZMFCPDIS, EF4PTOC, CHMMHAI, VHMMHAI, OC4PTOC, NS4PTOC, CVGAPC, DRPRDRE, SXSWI and SXCBR. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 20: Related Documents

    Section 1 1MRK 502 073-UEN Rev. J Introduction 1.3.3 Related documents GUID-94E8A5CA-BE1B-45AF-81E7-5A41D34EE112 v8 Documents related to REG670 Document numbers Application manual 1MRK 502 071-UEN Commissioning manual 1MRK 502 073-UEN Product guide 1MRK 502 074-BEN Technical manual 1MRK 502 072-UEN Type test certificate...

  • Page 21: Document Conventions

    Edition 1 logical nodes Edition 2 logical nodes ALSVS AEGPVOC AEGGAPC AEGPVOC AGSAL AGSAL AGSAL SECLLN0 ALMCALH ALMCALH ALMCALH ALTIM ALTIM ALTMS ALTMS Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 22 GSPTTR GSPTTR GUPPDUP GUPPDUP GUPPDUP PH1PTRC HZPDIF HZPDIF HZPDIF INDCALH INDCALH INDCALH ITBGAPC IB16FCVB ITBGAPC L4UFCNT L4UFCNT L4UFCNT LD0LLN0 LLN0 Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 23 SAPTOF SAPTOF SAPTUF SAPTUF SAPTUF SCHLCCH SCHLCCH SCHLCCH SCILO SCILO SCILO SCSWI SCSWI SCSWI SDEPSDE SDEPSDE SDEPSDE SDEPTOC SDEPTOV SDEPTRC Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 24 VMSQI VMSQI VMSQI VNMMXU VNMMXU VNMMXU VRPVOC VRLLN0 PH1PTRC PH1PTRC PH1PTUV PH1PTUV VRPVOC VRPVOC VSGAPC VSGGIO VSGAPC WRNCALH WRNCALH WRNCALH Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 25 ZGVPTUV ZMFCPDIS ZMFCLLN0 PSFPDIS PSFPDIS ZMFPDIS ZMFPDIS ZMFPTRC ZMFPTRC ZMMMXU ZMMMXU ZMFPDIS ZMFLLN0 PSFPDIS PSFPDIS PSFPDIS ZMFPDIS ZMFPDIS ZMFPTRC ZMFPTRC ZMMMXU ZMMMXU ZMHPDIS ZMHPDIS ZMHPDIS Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 27: Safety Information

    Operation may be disrupted and IED and measuring circuitry may be damaged. GUID-BEDD698E-356C-4CF9-9DAE-64DB3CEADEAD v1 Dangerous voltages can occur on the connectors, even though the auxiliary voltage has been disconnected. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 28: Caution Signs

    Always use a conductive wrist strap connected to protective earth when replacing modules. Electrostatic discharge (ESD) may damage the module and IED circuitry. M2698-2 v2 Take care to avoid electrical shock during installation and commissioning. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 29: Note Signs

    Note signs IP1497-1 v1 M19-2 v3 Observe the maximum allowed continuous current for the different current transformer inputs of the IED. See technical data. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 31: Available Functions

    PSPPPAM Poleslip/out-of-step protection 1-B22 1-B22 1-B22 OOSPPAM Out-of-step protection 1-B22 1-B22 1-B22 LEXPDIS Loss of excitation Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 32: Back-Up Protection Functions

    VRPVOC Voltage restrained overcurrent protection 3-C36 3-C36 3-C36 GSPTTR Stator overload protection GRPTTR Rotor overload protection 1-C38 1-C38 1-C38 Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 33: Control And Monitoring Functions

    APC30 Control functionality for up to 6 bays, max 30 objects 1-H39 1-H39 1-H39 (6CBs), including interlocking (see Table 4) Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 34 DELISPVC Current delta supervision, 2 phase DELSPVC Real delta supervision, real Logic SMPPTRC Tripping logic SMAGAPC General start matrix block Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 35 Polar to rectangular converter RAD_DEG Radians to degree angle converter CONST_REAL Definable constant for logic functions REALSEL Analog input selctor for real values Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 36 I103FLTPROT Function status fault protection for IEC 60870-5-103 I103IED IED status for IEC 60870-5-103 I103SUPERV Supervison status for IEC 60870-5-103 Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 37 Function for energy calculation and demand handling Table 3: Total number of instances for basic configurable logic blocks Basic configurable logic block Total number of instances GATE PULSETIMER RSMEMORY SRMEMORY TIMERSET Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 38 Total number of instances for configurable logic blocks Q/T Configurable logic blocks Q/T Total number of instances ANDQT INDCOMBSPQT INDEXTSPQT INVALIDQT INVERTERQT ORQT PULSETIMERQT RSMEMORYQT SRMEMORYQT TIMERSETQT XORQT Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 39: Communication

    IEC 61850-8-1 IEC 61850 GOOSEINTLKRCV Horizontal communication via GOOSE for interlocking IEC 61850SIM IEC 61850 simulation mode GOOSEBINRCV GOOSE binary receive Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 40 Precision time protocol ROUTE_1-ROUTE_6 Route_ABS FRONTSTATUS Access point diagnostic for front Ethernet port SCHLCCH Access point diagnostic for non-redundant Ethernet port Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 41 Protocol reporting of phasor data via IEEE 1344 and IEC/IEEE 60255-118 (C37.118), phasors 1-8 ANALOGREPORT1 Protocol reporting of analog data via IEEE 1344 and IEC/IEEE 60255-118 (C37.118), analogs 1-8 Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 42: Basic Ied Functions

    SMAI1 - SMAI12 Signal matrix for analog inputs 3PHSUM Summation block 3 phase ATHSTAT Authority status ATHCHCK Authority check AUTHMAN Authority management Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 43 General LED indication part for LHMI OPENCLOSE_LED LHMI LEDs for open and close keys GRP1_LED1– Basic part for CP HW LED indication module GRP1_LED15 GRP2_LED1– GRP2_LED15 GRP3_LED1– GRP3_LED15 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 45: Starting Up

    Inserting anything else (such as a measurement probe) may damage the female connector and prevent a proper electrical contact between the printed circuit board and the external wiring connected to the screw terminal block. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 46: Energizing The Ied

    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. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 47: Energizing Rex060

    255.255.255.0, which can be set via the local HMI path Main menu/ Configuration/ Communication/ TCP-IP configuration/ ETHFRNT:1Main menu/ Configuration/ Communication/ Ethernet configuration/ AP_FRONT. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 48 Select Search programs and files in the Start menu in Windows. IEC13000057-1-en.vsd IEC13000057 V1 EN-US Figure 3: Select: Search programs and files Type View network connections and click on the View network connections icon. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 49 Figure 5: Right-click Local Area Connection and select Properties Select the TCP/IPv4 protocol from the list of configured components using this connection and click Properties. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 50 Use the ping command to verify connectivity with the IED. Close all open windows and start PCM600. The PC and IED must belong to the same subnetwork for this set-up to work. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 51: Writing An Application Configuration To The Ied

    If the CT secondary circuit earth connection is removed without the current transformer primary being de-energized, dangerous voltages may result in the secondary CT circuits. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 52: Checking Vt Circuits

    Check that no short circuit jumpers are located in the slots dedicated for voltage. Trip and alarm circuits Check that the correct types of contacts are used. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 53: Checking The Binary Input/Output Circuits

    An IED equipped with optical connections has an minimum space requirement of 180 mm for plastic fiber cables and 275 mm for glass fiber cables. Check the allowed minimum bending radius from the optical cable manufacturer. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 55: Configuring The Ied And Changing Settings

    The primary CT data are entered via the HMI menu under Main menu /Configurations /Analog modules The following parameter shall be set for every current transformer connected to the IED: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 56: Supervision Of Input/Output Modules

    Each logical I/O module has an error flag that indicates signal or module failure. The error flag is also set when the physical I/O module of the correct type is not detected in the connected slot. Generator protection REG670 Commissioning manual...

  • Page 57: Calibrating Injection Based Sensitive Rotor Earth Fault Protection

    The sensitive rotor earth fault protection function in IED requires a number of settings. The settings k1, k2 and the reference impedance require measurements on the generator performed by the ICT Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 58 The calibration shall be performed twice: after the first calibration the calculated parameters are transferred to ICT and written into the REG670. This way the second calibration is performed starting from parameters that are related to the protected generator. At the end of the second calibration a comparison between the values of the parameters calculated by the first and second calibration shall be performed.
  • Page 59 Auditing In the auditing part installation, calibration and commissioning reports are stored. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 60: Launching Injection Commissioning Tool (Ict) And Performing The Installation

    Activate the injection by turning the injection switch to on position on the injection unit REX060. To launch the Injection commissioning tool (ICT), right-click REG670 in the PCM plant structure and select the Injection commissioning.
  • Page 61 Z , defined as:         (Equation 1) IECEQUATION20066 V1 EN-US where: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 62 The parameters, that are calculated during the first calibration, should be transferred to PST and written into REG670 to perform a second calibration. Even if the above checks are not fulfilled, these parameters are related to the generator and better starting values than the function default values.
  • Page 63 Second calibration When the first calibration is finalized, the parameters k1, k2 and RefZ1 are transferred to PST and written into REG670. In the following description the reference impedance, that was defined by the first calibration, is RefZ1 . Assuming that: RefZ1 =278.384 - j5194.771...
  • Page 64 Step 3 of the calibration. To finish the calibration process, select the Submit to Parameter setting button. In Parameter setting, write the newly acquired parameters to IED. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 65: Acquiring References

    Click the Select button when the standard deviation has converged so that its magnitude is within the noise level of the measured absolute impedance. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 66: Verifying Calibration

    It may be necessary to zoom in or out to properly view the measurements. For instructions on this, see Editing features in graph. Apply for example 9kΩ fault resistance. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 67: Auditing

    Auditing tab. See the procedures below on how to view and delete reports as well as generate logs from reports. To view the reports, go to the Auditing tab. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 68: Editing Features In Graph

    Enable Y-zooming Zoom in one of the following ways: • Right click a graph and select Zoom in or Zoom out in the shortcut menu. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 69: Logging Measurements To File

    The logging can be stopped by selecting the Stop button. You can open the file in notepad or MS Excel. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 71: Calibrating Injection Based 100% Stator Earth Fault Protection

    This cable is wired between the LV terminals of SIT and REX060 (see Figure 19). Either a miniature circuit breaker (MCB) or an appropriate fuse is also installed. Figure 19 shows an example with MCB. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 72 Check the time of DCS, the time in the PC where PCM is running and the internal time of REG670. Synchronize the time in best possible way (if a time difference cannot be avoided, it shall be shorter than 5s and measured with an accuracy of 1s).
  • Page 73 1MRK 502 073-UEN Rev. J Section 7 Calibrating injection based 100% stator earth fault protection IEC20000204 V2 EN-US Figure 19: Connection scheme using SIT at IEC grounded generator Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 74 Section 7 1MRK 502 073-UEN Rev. J Calibrating injection based 100% stator earth fault protection IEC20000205 V2 EN-US Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 75: Installation

    M2 is also connected to REX060 and switched on; after this activity, the installation and calibration are performed for the function STTIPHIZ of REG670-M2, while REG670-M1 is also connected to REX060 and switched on. During the calibration of one function STTIPHIZ, it is possible to set to Off the Operation of the other function STTIPHIZ that is not calibrated, if it is preferred that it does not issue alarms and trips.

  • Page 76: Calibration

    The calibration is the second activity that is performed by ICT. It is performed when the generator is at standstill; the starting condition of calibration is the same as the one of installation. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 77 The calibration shall be performed twice: after the first calibration the calculated parameters are transferred to ICT and written into the REG670. This way the second calibration is performed starting from parameters that are related to the protected generator. At the end of the second calibration a comparison between the values of the parameters calculated by the first and second calibration shall be performed.
  • Page 78 2.1. The generator shall be in the condition described in 6.1.1 number 3 and 5. 2.2. Wait for stable values of RAVE and XAVE in the HMI of REG670 (RAVE and XAVE are available as service values of the function STTIPHIZ).
  • Page 79 5.1. Connect a short circuit between the neutral point of the generator and ground. 5.2. Wait for stable values of RAVE and XAVE in the HMI of REG670. 5.3. From the ICT toolbar, select the Start reading values from IED button. ICT starts to perform continuous measurements and after the tenth measurement it starts to update the graph.
  • Page 80 K2 is defined by k2 = k2Real + j k2Imag. and k2 Obtained from the first calibration and calculated the same way as previous calibration factors. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 81: Selection Of The Value Of The Calibration Resistance R Cal And Related Tests

      0.5* stat stat (Equation 13) IECEQUATION20155 V1 EN-US [2] The notion ｜ Z ｜ means the absolute value of the complex quantity Z. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 82 The parameters, that are calculated during the first calibration, should be transferred to PST and written into REG670 to perform a second calibration. Even if the above checks are not fulfilled, these parameters are related to the generator and better starting values than the function default values.

  • Page 83: Checks And Tests After The Second Calibration

    Equation 17 and it is repeated here for completeness. The primary grounding resistor Rn can be used to validate the first reference impedance: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 84: Checking The Measurements By Test Resistances (Generator At Standstill)

    Click the Start reading values from IED button (i.e. the green play button ) in the ICT toolbar to start performing continuous measurements. • Start the logger by the button Start. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 85 Figure 26: ICT monitoring tab Trigger manually the disturbance recorder from the HMI of REG670 to have a recording related to the condition without any test resistance connected to the generator neutral. Read and record the value of RFAULT in the service values of the function STTIPHIZ.
  • Page 86 Click the Stop reading values from IED button (i.e. the blue stop button) in the ICT toolbar. 9.3. Retrieve disturbance recordings from REG670 by the Disturbance Handling Tool of PCM600 and save them in the PC; 9.4. Disconnect all test resistances.

  • Page 87: Commissioning And Acquiring References

    RefZ2 and RefZ3 (and eventually also RefZ4 and RefZ5, if the logic selects also them), their values should be Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 88 RefZ1 because this value is related to the generator and it is therefore a better value than the default one. After the values of reference impedances are set in PST, they shall be saved and written into REG670. IEC20000535 V1 EN-US...
  • Page 89 Selection dropdown menu IEC20000211-1-en.vsdx IEC20000211 V1 EN-US Figure 28: Commissioning tab Normally continuous readings are performed and the read absolute impedance is viewed in the plot. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 90 (including the operation at the rated temperature), trying to minimize any interruption between logfiles. During the monitoring of the generator also events of REG670 and events of DCS shall be collected. Table 14 lists an example of a sequence of generator operating conditions. Logfiles shall be captured also during the transition from one operating condition to the following one and during the transition from one reference impedance to another one.
  • Page 91 – start-up – synchronization – synchronized to the network and loaded –shutdown – standstill Mandatory and Required, data and files Operating condition Logfile Event list (REG670 and DCS) Standstill / Turning Gear Transition from Standstill to Static Starter Start-up (if applicable)

  • Page 92: Recording Of Data During Different Operating Conditions Of The Generator

    Check that all test resistances are disconnected from the generator neutral. Check the time of DCS, the time in the PC where PCM is running and the internal time of REG670. The time shall be synchronized in the best possible way, for example, manually setting time equally in both units.
  • Page 93 6.2. If there is the wish to select a setting of RAlarm that is higher than the limit in Equation 32, a deeper analysis is required to identify the proper strategy to avoid unwanted alarms. For example: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 94    RTrip 0 5 RAlarm (Equation 38) IECEQUATION20274 V1 EN-US 8.3. RTrip shall be lower than the FaultNoise Limit, with a safety margin: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 95 REX060 amplification. The above plots are useful in the analysis of the behavior of the protection function. For example: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 96: B.3 Setting Of Reg670

    The settings of the function STTIPHIZ shall be updated with the defined values of the reference impedances RefZ2…RefZ5, and with the selected values of RAlarm, tAlarm and RTrip. The new settings shall be written into REG670 by PST. The updated logic that selects the active reference impedances and the logic that perform any needed block of the function shall be defined in ACT (Application and Configuration Tool) and then the updated logic shall be written into REG670.

  • Page 97: Auditing

    Select a record with the mouse cursor then press the Delete key on the keyboard. Generate logs in one of the following ways: • In the short cut menu, right click and select Generate. • Click the Generate button. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 98: Editing Features In Graph

    • To enable and disable Y zooming, right click the graph and select or deselect Enable Y zooming in the shortcut menu. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 99: Logging Measurements To File

    It is therefore extremely important that the time of the PC, where PCM600 and ICT run, is synchronized to the time of REG670 in the best possible way. The best option is that they are synchronized with a time difference shorter than 1 s because the resolution of events in the logfiles can be set to 1 s in ICT.

  • Page 100: Completing The Test

    An appropriate fuse can be installed at the X1 terminal of SIT, instead of the MCB. There is no need to install a fuse at the terminal X4 of SIT because it is grounded. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 101 During the commissioning verify that the voltage drop across the terminals of the fuse is reasonably low (a few tens of millivolt) when the injection is performed. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 103: Establishing Connection And Verifying The Spa/Iec Communication

    Verifying the communication M11735-77 v1 To verify that the rear communication with the SMS/SCS system is working, there are some different methods. Choose one of the following. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 104: Verifying Spa Communication

    (CCITT) characteristics. Table 15: Max distances between IEDs/nodes glass < 1000 m according to optical budget plastic < 25 m (inside cubicle) according to optical budget Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 105: Optical Budget Calculation For Serial Communication With Spa/Iec

    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 7 dB Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 107: Establishing Connection And Verifying The Lon Communication

    Plastic fiber Cable connector ST-connector snap-in connector Cable diameter 62.5/125 m 1 mm Max. cable length 1000 m 10 m Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 108: The Lon Protocol

    M11643-1 v4 LON communication setting parameters (Table 18) and LON node information parameters (Table 19) can only be set via the LON Network Tool (LNT). Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 109: Optical Budget Calculation For Serial Communication With Lon

    0.3 dB/m plastic: 620 nm - 1mm 3 dB Margins for installation, aging, and so on 5 dB 2 dB Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 110 1.5 dB Losses in connection box, two contacts (1dB/contact) 2 dB Margin for repair splices (0.5 dB/splice) 0.5 dB Maximum total attenuation 11 dB 7 dB Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 111: Establishing Connection And Verifying The Iec 61850 Communication105

    Ethernet ports. Verify that either signal status (depending on which connection that was removed) is shown as Error and the that other signal is shown as Ok. Be sure to re-connect the removed connection after completed verification. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 113: Establishing Connection And Verifying The Ieee C37.118/1344 Communication

    1.3. Check that the correct IP address is assigned to the port. Set the TCP communication parameters by navigating to: Main menu /Configuration / Communication /Station communication /phasor measurement /PMU Configuration / Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 114: Setting The Tcp/Udp Client Communication

    IEEE C37.118 connection with the PMU: Set the IP stack on PMU Connection Tester to IPv4. Note that the default IP stack on PMU Connection Tester tool is IPv6. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 115 (IDCODE). The PMU Data Stream ID Number is a user assigned ID number (1-65534) for each data stream sent out from the PMU and it is defined under parameter Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 116 TCPportUDPdataCtrl1 as one of the UDP communication parameters. 3.5. Save the Alternate Command Channel Configuration settings. 3.6. Continue to the section Verifying the IEEE C37.118/1344 UDP communication Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 117: Verifying The Communication

    Frequency, data Reporting Rate, Phasor names, and Phase angles of the reported synchrophasors. Observe the real-time frame details of the Data Frame in the bottom of the window. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 118 Open the drop-down menu in the Command field. There is a list of commands that can be sent from the client (PMU Connection Tester) to the PMU. Try different commands and make sure that the PMU is receiving and responding to them. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 119 HeaderFrame is not included, ask the PMU to send the header frame via the Send Header Frame command (Previous stage). Open each message type and observe the content of each message. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 120 File /Capture /Start Stream Debug Capture... The tool will ask to Set Stream Debug Capture File Name and path to save the capture file. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 121 Start capturing the IEEE C37.118 synchrophasor data • The synchrophasor data capturing process can be stopped at any point of time by navigating to File /Capture /Stop Stream Debug Capture... Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 122 (See figure 40), the capture process should start before connecting the PMU Connection Tester to the PMU, i.e. first start the capturing and then click Connect. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 123: Verifying The Ieee C37.118/1344 Udp Communication

    Now it should be possible to see the streaming synchrophasor data. • Verify the communication by following the same steps as in section Verifying the IEEE C37.118/1344 TCP communication. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 124: Optical Budget Calculation For Pmu - Pdc Communication

    Losses in the connectors and splices are typically 0.3dB/connection. The user must reserve 3dB spare for the uncertainty of the measurements. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 125: Testing Ied Operation

    A PC with PCM600 application configuration software in work online mode All setting groups that are used should be tested. This IED is designed for a maximum continuous current of four times the rated current. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 126: Preparing The Ied To Verify Settings

    The correct initiation of the disturbance recorder is made on start and/or release or trip from a function. Also check that the wanted recordings of analog (real and calculated) and binary signals are achieved. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 127: Activating The Test Mode

    When the latches are released, the handle can be completely withdrawn from the test switch, restoring the trip circuits to the protection IED. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 128: Connecting The Test Equipment To The Ied

    (from measuring inputs to binary output contacts), including logic must be activated. Before starting a new test mode session, scroll Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 129: Verifying Analog Primary And Secondary Measurement

    If some setting deviates, check the analog input settings under Main menu /Configuration /Analog modules 12.7 Testing the protection functionality GUID-125B6F28-D3E5-4535-9CD6-6C056B79F496 v2 Each protection function must be tested individually by secondary injection. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 130: Forcing Of Binary Input/Output Signals For Testing

    Select Yes in the save dialogue box. Once the IED is in test mode the yellow Start LED starts to blink. 12.8.2.2 Enable forcing using TESTMODE function block GUID-DD17B7D6-516F-4561-9D30-906B968EAFE0 v2 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 131: How To Change Binary Input/Output Signals Using Forcing

    When navigating away from a LHMI forcing menu for an I/O board, the user is prompted to either leave the signals forced, or to revert all of them back to the unforced state. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 132: Forcing By Using Pcm600

    Right click on the IED in the plant structure and select Signal Monitoring. Click on the List View tab. Click Forcing Session in the menu IED/Start Forcing. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 133 Click Cancel to abort the changes and revert back to actual IED values. IEC15000032 V1 EN-US Regardless if the forcing changes are commited or canceled, the forcing is still active. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 134: How To Undo Forcing Changes And Return The Ied To Normal Operation

    LHMI. If the IED is left in test mode, then it is still possible to perform new forcing operations, both from LHMI and from PCM600 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 135: Testing Functionality By Secondary Injection

    IED or temporarily connected to the Ethernet port (RJ-45) on the front. The PCM600 software package must be installed in the PC. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 136: Event Recorder (Er) And Event List (El)

    EF4PTOC under Main menu /Test /Function test modes /Current protection is set to Off, since they are configured to the same current Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 137: Completing The Test

    Verifying the settings SEMOD55257-46 v5 Connect a single-phase or three-phase test set to inject the operating voltage. The injection is done across the measuring branch. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 138: Completing The Test

    Added new outputs IDDCL1, IDDCL2, and IDDCL3 for measurement of DC component in differential currents 2.2.1 2.2.2 2.2.3 2.2.3 2.2.4 2.2.4 2.2.5 13.3.3.2 Verifying the settings SEMOD155702-49 v4 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 139: Completing The Test

    2.2.3 2.2.4 2.2.4 The upper limit of ROA setting range is changed from 90 degrees to 119 degrees. 2.2.5 13.3.4.2 Verifying the settings SEMOD55252-86 v12 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 140: Completing The Test

    (i.e. be larger than) all used distance zones for both Ph-Ph and Ph-Gnd loops. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 141: Function Revision History

    13 are valid. Test points 5, 6, and 7 are not valid for this measurement however. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 142 0.5 x X1 ArgNegRes = 120⁰ fixed Formula applies if R set value < RFPPZx/2 -0.5 x X1 tan( ArgNegRes-90⁰) Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 143 0.85 x RFPEZx x tan(ArgLd) If RLdFw < 0.85 x RFPEZx 0.85 x RFPEZx RLdFw x tan(ArgLd) If RLdFw < RFPEZx RLdFw Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 144: Measuring The Operating Limit Of Set Values

    12. Compare the result of the measurement to the setting tPEZ1. Repeat steps to find the operating time for all other used measuring zones. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 145: Completing The Test

    To verify the settings for the operating points according to the following fault types should be tested: • One phase-to-phase fault • One phase-to-earth fault Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 146 ArgLd = angle for the maximal load transfer 0.85 x RFPPZx RLdFw x tan (ArgLd) RLdFw RLdFw x tan (ArgLd) Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 147 2 x R1 + R0 0.8 x (2 x X1 + X0 0.8 x (2 x R1 + R0 +RFPEZx Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 148: Measuring The Operating Limit Of Set Values

    (forward or reverse). 13.4.3.4 Measuring the operating time of distance protection zones GUID-70AEC42A-9BC7-445A-AE21-2CEC0C3A79DC v3 Procedure: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 149: Transient Directional Element

    With reduced amplitude of the injected voltage to 0.8 UBase the current amplitude and angle is changed via ZC/2 to a value corresponding to half IBase and 180° between the injected current and voltage. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 150 Zone 2 X’ Pole slip impedance movement Zone 2 TripAngle Zone 1 WarnAngle IEC07000099_2_en.vsd IEC07000099 V2 EN-US Figure 50: Setting of the pole slip protection PSPPPAM Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 151: Completing The Test

    The protection function performs a simple summation of the currents of the two channels I3P1 and I3P2. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 152: Verifying The Settings

    SE and RE. 2 5 8367 20918 × × Base (Equation 47) EQUATION14043 V1 EN-US Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 153 EQUATION14052 V1 EN-US 0 003 0 282 20918 0 282 2 20918 5899 × × × × t RvsZ RvsZ RvsR RvsX (Equation 57) EQUATION14053 V1 EN-US Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 154 49.5 Hz for the test as generator in the quadrant 1 and 2 of the R-X plane • 50.5 Hz for the test as generator in the quadrant 3 and 4 of the R-X plane Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 155: Test Of Point Re (R Fwdr , X Fwdx )

    82. . 14°       ForwardR 8 19 (Equation 62) EQUATION14058 V1 EN-US frequency of V = 50 Hz Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 156 59 33 ∠  =  = arctan arctan 82. . 14°       ForwardR 8 19 (Equation 68) EQUATION14058 V1 EN-US Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 157 Check that the service values (VOLTAGE, CURRENT, R(%), X(%) ) are according to the injected quantities and that ROTORANG is close to 3.14 rad. For this particular injection the service values are: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 158 = 180º frequency of I = 49.5 Hz Expected result: start of the protection function and trip in zone 2, when trip conditions are fulfilled. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 159 R-X that is far away from the lens characteristic. Define the following three-phase symmetrical quantities (the phase angle is related to phase L1): Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 160 Apply the following three-phase symmetrical quantities (the phase angle is related to phase L1): VT s 0 9 1435 9 36 × × × × t RZ 13 8 VT p (Equation 91) EQUATION14066 V1 EN-US Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 161 = 0 A = 0 A • State 2: main test step. Define the following three-phase symmetrical quantities (the phase angle is related to phase L1): Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 162 V = 50 Hz 10459 1 162 × × 9000 (Equation 103) EQUATION14059 V1 EN-US ∠I = 0º frequency of I = 50 Hz Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 163 (Equation 108) EQUATION14068 V1 EN-US frequency of V = 50 Hz 10459 1 162 × × 9000 (Equation 109) EQUATION14059 V1 EN-US ∠I = 0º Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 164 Execution of the dynamic test GUID-31EF4F76-8FC8-4952-896C-B3A8A5FD635A v1 The test may be performed by using two states of a sequence tool that is a basic feature of test sets. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 165 Expected result: the protection function does not issue either start or trip. GUID-7C9F1163-0186-41DA-9D5F-DDA589323B9F v1 After each test it is possible to download and study the related disturbance recording. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 166 54. Read the analog outputs for R and X and check that this reading corresponds to the injected impedance. The signals START, STZ2 and STZ1 shall be activated Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 167 While measuring operating characteristics, keep the current constant. Keep the current as close as possible to its rated value or lower, however make sure it is higher than 30% of the rated current. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 168 TRIP and TRZ1 shall be activated. To verify zone 2 and zone 3 mho characteristic, at least two points must be tested. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 169 IED does not exceed four times Its rated value, if the measurement of the operating characteristics runs under constant voltage conditions. Measuring the operate limit of set values of load encroachment function Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 170 40 V AC is injected via series capacitors and resistors into the rotor circuit. The injected voltage is fed to a voltage input of the REG670 IED. The current caused by the injection is fed to a current input of the REG670 IED via a current transformer, which is amplifying the current ten times, as shown in figure 57.
  • Page 171 The test should be prepared with a switch connected between the output of RXTTE4 (221) and the station earth. Initially this switch is open. First the 120 (230) V input to RXTTE4 is disconnected. This should give a signal from REG670 that the injection voltage is low.
  • Page 172 Function status/Current protection/PhaseOverCurrent4Step(51_67,4(3I>)) / OC4PTOC(51_67;4(3I>)):x, where x = instance number. The Signal Monitoring in PCM600 shows the same signals that are available on the local HMI. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 173 If the test has been performed by injection of current in phase L1, repeat the test, injecting current into phases L2 and L3 with polarizing voltage connected to phases L2, respectively L3 (1 out of 3 currents for operation). Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 174 Continue to test another function or end the test by changing the TESTMODE setting to Off. Restore connections and settings to the original values, if changed for testing purposes. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 175 Check that all operate and start contacts operate according to the configuration (signal matrixes). Reverse the direction of the injected current and check that the step does not operate. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 176 If reverse directional function is selected, set the injection current to lag the polarizing voltage by an angle equal to RCA. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 177 HMI under Main menu /Test /Function status /Current protection /SensDirResOvCurr(67N,IN>) /SDEPSDE(67N,IN>):x 13.5.6.1 Measuring the operate and time limit for set values SEMOD175060-12 v2 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 178 Compare the voltage with the set value UNRel> . Continue to test another function or complete the test by setting the test mode to Off. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 179 1MRK 502 073-UEN Rev. J Section 13 Testing functionality by secondary injection RCADir Operate area 3 × ROADir IEC06000650_2_en.vsd IEC06000650 V2 EN-US Figure 59: Characteristic with ROADir restriction Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 180 The expected value depends on whether definite or inverse time was selected. Continue to test another function or complete the test by setting the test mode to Off. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 181 The expected value depends on whether definite time tINNonDir or inverse time was selected. Continue to test another function or complete the test by setting the test mode to Off. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 182 Switch off the injection current and check from the service menu readings of thermal status and LOCKOUT that the lockout resets at the set percentage of heat content. Activate the cooling input signal to switch over to base current IBase2. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 183 Repeat the fault condition and increase the current in steps until a trip occurs. Note that the START signal shall be re-applied for each new current value. Compare the result with the set IP>. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 184 Apply the fault condition, including the start of CCRBRF, with the current below the set current value. Verify that no re-trip, and no back-up trip is obtained. Checking re-trip without current check M12104-58 v10 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 185 M12104-197 v7 Applies in a case where a signal from CB supervision function regarding CB being faulty and unable to trip is connected to input CBFLT. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 186 The case shall simulate a case where the fault current is very low and operation will depend on CB position signal from CB auxiliary contact. It is suggested that retrip without current check is used, setting RetripMode = UseFunctionMode Check. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 187 Check that STALARM does not come and that re-trip TRRET is instantly set at 0.200s while the backup trip TRBU set only when t2 expires at 0.200 + 0.150s. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 188 For a short while inject a current (fault current) in phase L1 to about 110% of the set operating current I>, and switch the current off. Observe to not exceed the maximum permitted overloading of the current circuits in the IED. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 189 Use the TRIP signal from the configured binary output to stop the timer. Deactivate the CLOSECMD: Set measured current in one phase to 90% of Current Release level. Activate CLOSECMD. NO TRIP signal should appear. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 190 EQUATION1698 V1 EN-US PosSeq = × × PosSeq PosSeq (Equation 126) EQUATION1699 V1 EN-US L1L2 × (Equation 127) EQUATION1700 V1 EN-US Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 191 Connect the test set for injection of voltage and current corresponding to the mode to be used in the application. If a three phase test set is available this could be used for all the modes. If a Generator protection REG670 Commissioning manual...
  • Page 192 Note: Block or disable operation of step 2 when testing step 1 if the injected current activates the step 2. Decrease the current slowly and note the reset value. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 193 AEGPVOC GUID-6E141754-28E5-408D-955F-899720BA59E0 v2 Prepare the IED for verification of settings outlined in Section "Preparing the IED to verify settings". 13.5.14.1 Verifying the settings GUID-B834BA0F-E8CE-4B08-9FCE-B6D2813D3197 v3 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 194 The test of the function may be performed by injecting restrain voltage and increasing the injected current(s). Note the value at which the START and STOC signals are set. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 195 UL3: Ampl = 100 / √3; Angle = 120° Last section of the characteristic: If VDepMode = either Slope or Step, the minimum measured phase-to-phase voltage is higher than UHighLimit/100*UBase: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 196 Slowly decrease the voltage in two phases simultaneously, until the STUV and START signals appear. Note the operate value. The set operate value in secondary volts is calculated according to the following equation: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 197 Set the injected current to 154% of IBase, switch on the current and check operate time of the trip, 30 s. Switch off the current. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 198 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. Make Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 199 OperationMode = Start and Trip in order to obtain the trip signal • IN>=3% (minimum value) in order not to interfere with this pickup test Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 200 The following signals that shall be given from the APPTEF function: • STUN at the beginning of injection. • STRV after approximately 150ms (default value for tStart=150ms) Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 201 Inject manually the following analogue quantities given in secondary amperes and volts but only for 100ms (in order to avoid STFW signal which is delayed for 150ms): Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 202 The operate value in secondary volts is calculated according to the following equations: For phase-to-earth measurement: UBase VT < × × VTprim (Equation 138) IECEQUATION2430 V1 EN-US For phase-to-phase measurement: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 203 Apply single-phase voltage below the set value U1>. Slowly increase the voltage until the ST1 signal appears. Note the operate value and compare it with the set value U1>. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 204: Extended Testing

    13.6.3.1 Function revision history GUID-22110E0B-DEFB-461F-A437-4D221DB88799 v2 Document Product History revision revision 2.2.1 2.2.1 2.2.2 2.2.3 2.2.3 2.2.4 2.2.4 2.2.5 13.6.3.2 Verifying the settings SEMOD54358-35 v11 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 205: Completing The Test

    Connect a trip output contact to the timer and temporarily set the time delay tMin to 0.5s. Increase the voltage and note the V/Hz>> operate value Reduce the voltage slowly and note the reset value. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 206: Completing The Test

    Apply voltage higher than the highest set value of UDTrip, U1Low and U2Low to the U1 three- phase inputs and to one phase of the U2 inputs according to figure 62. The voltage differential START signal is set. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 207 UL2 to UL3, UL3 to UL1) Check of U2Low SEMOD175258-91 v3 Procedure Connect voltages to the IED according to valid connection diagram and figure 63. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 208: Check Of Voltage Differential Trip And Alarm Levels

    13.6.5.3 Check of voltage differential trip and alarm levels SEMOD175258-104 v3 Procedure Connect voltages to the IED according to valid connection diagram and figure 64. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 209: Check Of Trip And Trip Reset Timers

    Increase the voltage until START signal resets. Measure the time from reset of START signal to reset of TRIP signal. Check the measured time by comparing it to the set trip reset time tReset. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 210: Final Adjustment Of Compensation For Vt Ratio Differences

    = 5 V and the angle between the voltages = 180°. Check the monitored values of the following analogue signals: E3 (the magnitude of the third- Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 211: Verifying Settings

    Make sure that ANGLE has a value bigger than 125° Read the value of DU (differential voltage). The value of DU should be close to the following value: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 212: Completing The Test

    The test above can be repeated to check the time to reset. The tests above can be repeated to test the frequency dependent inverse time characteristic. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 213: Completing The Test

    Slowly increase the frequency of the applied voltage, to a value above StartFrequency. Check that the START signal does not appear. Wait for a time corresponding to tDelay, make sure that the TRIP signal does not appear. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 214: Completing The Test

    13.7.4.1 Verifying the settings GUID-864636E0-6399-44E1-BD2C-C2113FB78C61 v3 Time measurement and the injection of current and voltage can be done using a common test equipment. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 215 CurrStartLevel, FreqHighLimit, FreqLowLimit, UHighLimit and ULowLimit settings. Ensure that the EnaVoltCheck is enabled. Supply the IED with three-phase currents and voltages at their rated values. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 216: Completing The Test

    These setting parameters decide what kind of preprocessing the connected three-phase CT and VT inputs shall be subjected to. That is, for example, single-phase quantities, phase-to-phase quantities, positive sequence quantities, negative sequence quantities, maximum quantity from the three-phase Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 217: Built-In Overcurrent Feature (Non-Directional)

    Inject current(s) and voltage(s) in a way that relevant measured (according to setting parameter CurrentInput and VoltageInput) currents and voltages are created from the test set. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 218: Overcurrent Feature With Directionality

    Continue to test another function or end the test by changing the TESTMODE setting to Off. Restore connections and settings to the original values, if changed for testing purposes. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...

  • Page 219: Secondary System Supervision

    The BLKUand BLKZ signals should appear without any time delay. • All undervoltage-dependent functions must be blocked. Disconnect the dc voltage from the MCBOP binary input terminal. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 220 (observe that the currents in the equation are phasors): × × + × (Equation 151) IECEQUATION00021 V1 EN-US Where: are the measured phase currents I and I IECEQUATION00020 V1 EN-US Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 221 This is the point at which the dead line condition is detected. Check the value of the decreased current with the set value IDLD< (IDLD< is in percentage of the base current IBase). Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 222 MAINFUF or PILOTFUF should change to 0 in about 27 ms. Set normal conditions as mentioned in step 1. Enable the BLOCK binary input and repeat step 2. MAINFUF or PILOTFUF should not appear. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 223 Based on the mode of operation, carry out the following changes on input condition of Step detect start condition. Each mode is given for increase and decrease operation. (3-a and 3-b) Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 224 Based on the mode of operation, carry out the following changes on input condition of Step detect start condition. Each mode is given for increase and decrease operation. (3-a and 3-b) Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 225 Continue to test another function or end the test by changing the TestMode setting to Off. Restore connections and settings to their original values, if they were changed for testing purposes. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 226 Figure shows the general test connection for a 1½ breaker diameter with one-phase voltage connected to the line side. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 227 General test connection for a 1½ breaker diameter with one-phase voltage connected to the line side 13.10.1.1 Testing the synchronizing function M2377-21 v8 The voltage inputs used are: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 228 Test with no voltage difference between the inputs. Test with a voltage difference higher than the set UDiffSC. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 229 FreqDiffA and FreqDiffM respectively and that operation is blocked when the frequency difference is greater. Test with frequency difference = 0 mHz Test with a frequency difference outside the set limits for manual and auto synchronizing check respectively. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 230 The test should verify that the energizing check function operates for a low voltage on the U-Bus and for a high voltage on the U-Line. This corresponds to an energizing of a dead bus to a live line. Generator protection REG670 Commissioning manual...
  • Page 231 One-and-a-half breaker arrangement. Apply a single-phase voltage of 100% GblBaseSelLine to the U-Line and a single-phase voltage of 100% GblBaseSelBus to the U-Bus. Verify that correct output signals are generated. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 232 1 ½ bus alt. WA2 – LINE2_QB B2SEL, (Operates on LINE2 LN2SEL WA2_QA1) (mirrored) WA2 – TIE_QA1 LINE1_QB B2SEL, LINE1 LN1SEL WA2 – TIE_QA1 WA1_QA1 B1SEL, B2SEL Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 233 The automatic voltage control for tap changer, single control TR1ATCC is based on a transformer configuration that consists of one tap changer on a single two-winding power transformer. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 234 U1 respectively). The calculated load voltage U represents the secondary transformer bus voltage U adjusted for Load drop compensation (LDC) where enabled in settings. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 235 Signal Matrix in PCM600 and monitoring a positive from this output. Return the applied voltage to USet. 13.10.4.4 Check the undervoltage block function SEMOD175185-578 v7 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 236 ) are complex phase quantities When all secondary phase-to-earth voltages are available, use the positive-sequence components of voltage and current. By separation of real and imaginary parts: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 237 13.10.6 Interlocking M11755-2 v9 Prepare the IED for verification of settings as outlined in section "Requirements" section "Preparing for test" in this chapter. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 238 1ph/3ph operating mode SEMOD54375-116 v5 In addition to various other tests, the following tests should be performed. They depend on the complete configuration of an IED: Procedure Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 239 Take an adequate time interval between faults into consideration, to overcome a reclaim time, which may be activated by SMBRREC. Only a three-phase trip should occur for the fault and all Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 240 Continue to test another function or end the test by changing the TESTMODE setting to Off. Restore connections and settings to the original values, if changed for testing purposes. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 241 If sensor quality is low, then lockout and alarm signals will get reset. 2.2.5 Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 242 Check that the input logical signal BLOCK is logical zero and that on the local HMI, the logical signals LVLALM, LVLLO, TEMPALM, TEMPLO, ALARM and LOCKOUT are logical zero. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 243 Reset the BLOCK binary input. Ensure that temperature lockout condition exists and then activate the reset lockout input RESETLO and check that the outputs TEMPLO and LOCKOUT reset. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 244 Check that the output CBLIFEPH is decreased with a value that corresponds to the injected current. 6.4. CBLIFEAL is activated as soon as CBLIFEPH is below the set CBLifeAlmLevel value. Test of accumulated energy Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 245 The Limit counter function L4UFCNT can be tested by connecting a binary input to the counter and applying pulses to the counter. The speed of the pulses must not exceed the cycle time of the Generator protection REG670 Commissioning manual...
  • Page 246 ALARM2 signal appears. Note the time taken for the appearance of ALARM2 signal from the appearance of WARNING2 signal, and compare it with set value (tDelayToAlarm2). Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 247 Slowly increase any phase current of any winding to the threshold limit and wait until the ALARM signal appears. Compare the wait time with the set tMin value. Bring the injected three-phase currents to the rated value. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 248 Prepare the IED for verification of settings outlined in Section "Preparing the IED to verify settings". 13.12.9.1 Verifying the signals and settings GUID-026F1A4F-E9A8-43DC-87E1-0831E0123E50 v1 The current can be injected using common test equipment. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 249 2.2.3 2.2.3 2.2.4 2.2.4 2.2.4 2.2.5 Updated monitoring till 9 order voltage harmonics. Refer to document revision H for monitoring till 5 order voltage harmonics. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 250 13.12.12 Function revision history GUID-0AA99E78-0C76-48B5-AA00-8E3201C0D263 v1 Document Product History revision revision 2.2.1 2.2.1 2.2.2 2.2.3 2.2.3 2.2.4 2.2.4 2.2.5 New function release Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 251 13.13.2.1 Verifying the settings GUID-F8F0D384-BC70-48CA-817E-EB9BFBD68A54 v3 Common test equipment can be used to determine the injection of current and voltage and time measurement. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 252 Continue to test another function or end the test by changing the TESTMODE setting to Off. Restore connections and settings to the original values, if changed for testing purposes. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 253 (BO). Check at End2 that the BI signal is received and the BO operates. Repeat the test for all the signals configured to be transmitted over the communication link. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 254 Continue to test another function or end the test by changing the TESTMODE setting to Off. Restore connections and settings to the original values, if changed for testing purposes. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 255 Change the On setting to Off. Press the 'E' key and the left arrow key. Answer YES, press the 'E' key and exit the menus. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 257 HMI menu: Main menu /Test /Function status /Impedance protection / DirectionalImpedance The following will be shown if the load current flows in forward (exporting) direction: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 258 Usually it is enough to look at the resistive values to get information of the load direction, that must anyway be compared with the indication given by external equipment measuring the same power flow. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 259 When protection IEDs are combined with built-in control, the test interval can be increased drastically, up to for instance 15 years, because the IED continuously reads service values, operates the breakers, and so on. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 260 When inserting the test handle the alarm and event signalling is normally blocked. This is done in the IED by setting the event reporting to Off during the test. This can be done when the test handle is Generator protection REG670 Commissioning manual...
  • Page 261 The neutral-point voltage to an earth-fault protection IED is checked. The voltage is normally 0.1 to 1V secondary. However, voltage can be considerably higher due to harmonics. Normally a CVT secondary can have around 2.5 - 3% third-harmonic voltage. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 262 Thus a list should be prepared of all items disturbed during test so that all can be put back into service quickly and without overlooking something. It should be put back into service item by item and signed by the responsible engineer. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 263 The AD conversion Contact your Hitachi Power grids representative for service. module has failed. (Protocol name) Ready No problem detected. None. Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 264 Runtime Engine expects. The states can be CREATED, INITIALIZED, RUNNING, etc. Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 265 The information can only be retrieved from the Parameter Setting software package. The PC can be connected either to the port at the front or at the rear of the IED. These events are logged as internal events. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 266 The Hint menu is currently only available in English. All the entries are in English, regardless of which language is selected. The supported list of hints are as follows: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 267 LDCM rate (2M) is not supported The <firmware version> does not support 2M mode. Set the LDCM to 64k bit mode. Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 268 LDCM system frequency System frequency is different in local and remote end of LDCM link. Check the parameter FrequencySel at both ends. Table continues on next page Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 269 IED and the IED is restarted with some part of the configuration still requiring the module. Moving a module in an IED from one position to another Procedure: Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 270 10. Reassemble the IED. If the IED has been calibrated with the system inputs, the calibration procedure must be performed again to maintain the total system accuracy. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 271 The IED is self-supervised. No special maintenance is required. Instructions from the power network company and other maintenance directives valid for maintenance of the power system must be followed. Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 273 Nations-sponsored standards body within the International Telecommunications Union. CAN carrier module CCVT Capacitive Coupled Voltage Transformer Class C Protection Current Transformer class as per IEEE/ ANSI Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 274 Dynamic random access memory Disturbance report handler Digital signal processor Direct transfer trip scheme Ethernet configuration tool EHV network Extra high voltage network Electronic Industries Association Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 275 REG670 IDBS Integrating deadband supervision International Electrical Committee IEC 60044-6 IEC Standard, Instrument transformers – Part 6: Requirements for protective current transformers for transient performance Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 276 Lightweight Directory Access Protocol LDCM Line data communication module Local detection device Light-emitting diode LON network tool Local operating network Miniature circuit breaker Mezzanine carrier module Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 277 RS422 A balanced serial interface for the transmission of digital data in point-to- point connections RS485 Serial link according to EIA standard RS485 Real-time clock Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 278 RDP. Time delayed earth-fault protection function Transport Layer Security Transmit (disturbance data) TNC connector Threaded Neill-Concelman, a threaded constant impedance version of a BNC connector Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 279 Three times zero-sequence current.Often referred to as the residual or the earth-fault current Three times the zero sequence voltage. Often referred to as the residual voltage or the neutral point voltage Generator protection REG670 Commissioning manual © 2017 - 2021 Hitachi Power Grids. All rights reserved...
  • Page 282 ABB Power Grids Sweden AB Grid Automation Products SE-721 59 Västerås, Sweden Phone +46 (0) 10 738 00 00 Scan this QR code to visit our website https://hitachiabb-powergrids.com/protection-control © 2017 - 2021 Hitachi Power Grids. All rights reserved...

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