Name: Hitachi RET670
Brand: Hitachi
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Document ID: 1MRK 504 165-UEN

Issued: July 2022

Revision: K

Product version: 2.2

Table of Contents7
Introduction19
This Manual19
Intended Audience19
Product Documentation20
Product Documentation Set20
Document Revision History21
Related Documents22
Document Symbols and Conventions22
Symbols22
Document Conventions23
IEC 61850 Edition 1 / Edition 2 Mapping23
Safety Information29
Symbols on the Product29
Warnings29
Caution Signs30
Note Signs31
Available Functions33
Main Protection Functions33
Back-Up Protection Functions35
Control and Monitoring Functions37
Communication44
Basic IED Functions48
Starting up51
Factory and Site Acceptance Testing51
Commissioning Checklist51
Checking the Power Supply51
Energizing the IED52
Checking the IED Operation52
IED Start-Up Sequence52
Setting up Communication between PCM600 and the IED53
When IED Has Blank Front Panel53
When IED Has Front Port with RJ-4553
Writing an Application Configuration to the IED57
Checking CT Circuits57
Checking VT Circuits58
Using the RTXP Test Switch58
Checking the Binary Input/Output Circuits59
Binary Input Circuits59
Binary Output Circuits59
Checking Optical Connections59
Configuring the IED and Changing Settings61
Overview61
Configuring Analog CT Inputs61
Supervision of Input/Output Modules62
Establishing Connection and Verifying the SPA/IEC Communication63
Entering Settings63
Entering SPA Settings63
Entering IEC Settings63
Verifying the Communication63
Verifying SPA Communication64
Verifying IEC Communication64
Fiber Optic Loop64
Optical Budget Calculation for Serial Communication with SPA/IEC65
Establishing Connection and Verifying the LON Communication67
Communication Via the Rear Ports67
LON Communication67
The LON Protocol68
Hardware and Software Modules68
Optical Budget Calculation for Serial Communication with LON69
Establishing Connection and Verifying the IEC 61850 Communication71
Overview71
Setting the Station Communication71
Verifying the Communication71
Establishing Connection and Verifying the IEEE C37.118/1344 Communication73
Overview73
Setting the PMU Station Communication (PMU Report)73
Setting the PMU Station Communication (PMU Configuration)73
Setting the TCP/UDP Client Communication74
Verifying the Communication77
Verifying the IEEE C37.118/1344 TCP Communication77
Verifying the IEEE C37.118/1344 UDP Communication83
Optical Budget Calculation for PMU - PDC Communication84
Testing IED Operation85
Preparing for Test85
Requirements85
Preparing the IED to Verify Settings86
Activating the Test Mode87
Preparing the Connection to the Test Equipment87
Connecting the Test Equipment to the IED88
Releasing the Function to be Tested88
Verifying Analog Primary and Secondary Measurement89
Testing the Protection Functionality90
Forcing of Binary Input/Output Signals for Testing90
Forcing Concept90
How to Enable Forcing91
Enable Forcing by Using LHMI91
Enable Forcing Using TESTMODE Function Block91
How to Change Binary Input/Output Signals Using Forcing91
Forcing by Using LHMI91
Forcing by Using PCM60093
How to Undo Forcing Changes and Return the IED to Normal Operation94
Undo Forcing by Using TESTMODE Component95
Undo Forcing by Using LHMI95
Undo Forcing by Using PCM60095
Testing Functionality by Secondary Injection97
Testing Disturbance Report97
Introduction97
Disturbance Report Settings97
Disturbance Recorder (DR)97
Event Recorder (ER) and Event List (EL)98
Identifying the Function to Test in the Technical Reference Manual98
Differential Protection98
Transformer Differential Protection T2WPDIF and T3WPDIF98
Verifying the Settings98
Completing the Test99
High Impedance Differential Protection HZPDIF99
Verifying the Settings99
Completing the Test100
Restricted Earth Fault Protection, Low Impedance REFPDIF100
Function Revision History100
Verifying the Settings100
Completing the Test101
Additional Security Logic for Differential Protection LDRGFC101
Verifying the Settings101
Completing the Test102
Self-Adaptive Differential Protection for Two-Winding Power Transformers PSTPDIF102
Preparing the Function for Testing102
Verifying the Zero-Sequence Current Reduction from the Winding One Side103
Verifying the Three-Phase Pickup from Winding One Side104
Verifying the Single-Phase Pickup from Winding One Side104
Verifying the Zero-Sequence Current Reduction from Winding Two Side105
Verifying the Three-Phase Pickup from Winding Two Side105
Verifying the Single-Phase Pickup from Winding Two Side106
Verifying the Operate Characteristic107
Completing the Test108
Impedance Protection108
Distance Protection Zones, Quadrilateral Characteristic ZMQPDIS108
Measuring the Operating Limit of Set Values111
Measuring the Operating Time of Distance Protection Zones111
Completing the Test112
Phase Selection, Quad, Fixed Angle, Load Encroachment FDPSPDIS112
Measuring the Operating Limit of Set Values114
Completing the Test114
Full Scheme Distance Protection, Mho Characteristic ZMHPDIS114
Phase-To-Phase Faults115
Phase-To-Earth Faults116
Faulty Phase Identification with Load Encroachment FMPSPDIS116
Distance Protection Zones, Quadrilateral Characteristic, Separate Settings ZMRPDIS116
Measuring the Operating Limit of Set Values119
Measuring the Operating Time of Distance Protection Zones120
Phase Selection, Quadrilateral Characteristic with Settable Angle FRPSPDIS120
Measuring the Operating Limit of Set Values122
Completing the Test123
High Speed Distance Protection Zones, Quadrilateral and Mho Characteristic ZMFPDIS123
Function Revision History123
Verifying the Settings124
Measuring the Operating Limit of Set Values126
Measuring the Operating Time of Distance Protection Zones127
Completing the Test127
High Speed Distance for Series Compensated Line Zones, Quadrilateral and Mho Characteristic ZMFCPDIS127
Function Revision History127
Verifying the Settings128
Measuring the Operating Limit of Set Values131
Measuring the Operating Time of Distance Protection Zones131
Transient Directional Element131
Completing the Test132
Power Swing Detection, Blocking and Unblocking ZMBURPSB132
Function Revision History132
Verifying the Signal and Settings132
Completing the Test138
Power Swing Logic PSLPSCH138
Function Revision History138
Testing the Carrier Send and Trip Signals139
Testing the Influence of the Residual Overcurrent Protection139
Checking the Underreaching Zone140
Completing the Test140
Pole Slip Protection PSPPPAM140
Verifying the Settings140
Completing the Test143
Out-Of-Step Protection OOSPPAM143
Verifying the Settings144
Test of Point RE (R Fwdr , X Fwdx )147
Test of the Boundary between Zone 1 and Zone 2, Which Is Defined by the151
Parameter Reachz1151
Test of the Point SE (R Rvsr , X Rvsx )154
Automatic Switch Onto Fault Logic ZCVPSOF158
Function Revision History158
Activating ZCVPSOF Externally159
Initiating ZCVPSOF Automatically and Setting Mode to Impedance159
Initiating ZCVPSOF Automatically and Setting Mode to Uilevel159
Completing the Test159
Phase Preference Logic PPLPHIZ159
Function Revision History159
Verifying the Signals and Settings160
Completing the Test160
Phase Preference Logic PPL2PHIZ161
Function Revision History161
Verifying the Signals and Settings161
Completing the Test162
Under Impedance Protection for Generator ZGVPDIS162
Verifying the Settings162
Completing the Test164
Current Protection165
Instantaneous Phase Overcurrent Protection 3-Phase Output PHPIOC165
Measuring the Operate Limit of Set Values165
Completing the Test165
Directional Phase Overcurrent Protection, Four Steps OC4PTOC165
Function Revision History166
Verifying the Settings166
Completing the Test167
Instantaneous Residual Overcurrent Protection EFPIOC167
Measuring the Operate Limit of Set Values167
Completing the Test168
Four Step Residual Overcurrent Protection, (Zero Sequence or Negative Sequence Directionality) EF4PTOC168
Function Revision History168
Four Step Directional Earth Fault Protection168
Four Step Non-Directional Earth Fault Protection169
Completing the Test169
Four Step Negative Sequence Overcurrent Protection NS4PTOC169
Function Revision History169
Completing the Test170
Sensitive Directional Residual Overcurrent and Power Protection SDEPSDE170
Measuring the Operate and Time Limit for Set Values171
Completing the Test175
Measuring the Operate and Time Limit of Set Values175
Completing the Test176
Thermal Overload Protection, Two Time Constants TRPTTR176
Checking Operate and Reset Values176
Completing the Test177
Breaker Failure Protection, Phase Segregated Activation and Output CCRBRF177
Function Revision History177
Checking the Phase Current Operate Value, IP177
Checking the Residual (Earth Fault) Current Operate Value IN> Set below IP178
Checking the Re-Trip and Back-Up Times178
Verifying the Re-Trip Mode178
Verifying the Back-Up Trip Mode179
Verifying Instantaneous Back-Up Trip at CB Faulty Condition179
Verifying the Case Functionmode = CB Pos179
Verifying the Case Retripmode = Contact180
Verifying the Casefunctionmode = Current or CB Pos180
Verifying the External Start Signal Has Timed out181
Verifying that Backup Signal Is Released When STALARM Is Reset181
Test of Followstart&Mode Behaviour181
Test of Followstart Behaviour181
Completing the Test181
Stub Protection STBPTOC182
Function Revision History182
Measuring the Operate Limit of Set Values182
Completing the Test182
Overcurrent Protection with Binary Release BRPTOC183
Function Revision History183
Measuring the Operate Limit of Set Values183
Completing the Test184
Pole Discordance Protection CCPDSC184
Verifying the Settings184
Directional Underpower Protection GUPPDUP185
Verifying the Settings185
Completing the Test186
Directional Overpower Protection GOPPDOP186
Verifying the Settings186
Completing the Test187
Broken Conductor Check BRCPTOC187
Function Revision History187
Measuring the Operate and Time Limit of Set Values187
Completing the Test188
Capacitor Bank Protection CBPGAPC188
Verifying the Settings and Operation of the Function188
Completing the Test191
Negative-Sequence Time Overcurrent Protection for Machines NS2PTOC191
Verifying Settings by Secondary Injection191
Completing the Test193
Voltage-Restrained Time Overcurrent Protection VRPVOC193
Function Revision History193
Verifying the Settings193
Completing the Test196
Average Power Transient Earth Fault Protection, APPTEF196
Verifying the Signals and Settings196
Completing the Test199
Voltage Protection200
Two Step Undervoltage Protection UV2PTUV200
Verifying the Settings200
Completing the Test201
Two Step Overvoltage Protection OV2PTOV201
Verifying the Settings201
Extended Testing201
Completing the Test202
Two Step Residual Overvoltage Protection ROV2PTOV202
Function Revision History202
Verifying the Settings202
Completing the Test203
Overexcitation Protection OEXPVPH203
Verifying the Settings203
Voltage Differential Protection VDCPTOV203
Function Revision History204
Check of Undervoltage Levels204
Check of Voltage Differential Trip and Alarm Levels206
Check of Trip and Trip Reset Timers207
Final Adjustment of Compensation for VT Ratio Differences208
Completing the Test208
Loss of Voltage Check LOVPTUV208
Measuring the Operate Limit of Set Values208
Completing the Test209
Unbalance Protection209
Shunt Capacitor Cascading Failure Protection SCCFPVOC209
Function Revision History209
Verifying the Signals and Settings209
Completing the Test211
Current Unbalance Protection of SCB, SCUCPTOC211
Verifying the Signals and Settings211
Completing the Test215
Phase Voltage Differential Based Capacitor Bank Unbalanced Protection, SCPDPTOV215
Verifying the Signals and Settings215
Completing the Test221
Voltage Unbalance Protection of Shunt Capacitor Bank, SCUVPTOV221
Verifying the Signals and Settings221
Completing the Test223
Frequency Protection223
Underfrequency Protection SAPTUF223
Verifying the Settings223
Completing the Test224
Overfrequency Protection SAPTOF224
Verifying the Settings224
Completing the Test225
Rate-Of-Change Frequency Protection SAPFRC225
Verifying the Settings225
Multipurpose Protection226
Function Revision History226
General Current and Voltage Protection CVGAPC226
Built-In Overcurrent Feature (Non-Directional)226
Overcurrent Feature with Current Restraint227
Overcurrent Feature with Voltage Restraint227
Overcurrent Feature with Directionality227
Over/Undervoltage Feature228
Completing the Test228
Secondary System Supervision228
Current Circuit Supervision CCSSPVC228
Verifying the Settings228
Completing the Test229
Fuse Failure Supervision FUFSPVC229
Checking that the Binary Inputs and Outputs Operate as Expected229
Measuring the Operate Value for the Negative Sequence Function229
Measuring the Operate Value for the Zero-Sequence Function230
Measuring the Operate Value for the Dead Line Detection Function231
Checking the Operation of the Du/Dt and DI/Dt Based Function231
Completing the Test232
Fuse Failure Supervision VDSPVC232
Voltage Based Delta Supervision DELVSPVC233
Verifying the Signals and Settings233
Completing the Test233
Current Based Delta Supervision DELISPVC233
Verifying the Signals and Settings234
Completing the Test234
Delta Supervision of Real Input DELSPVC234
Completing the Test235
Control235
Synchrocheck, Energizing Check, and Synchronizing SESRSYN235
Testing the Synchronizing Function236
Testing the Synchrocheck Functionality237
Testing the Energizing Check239
Testing the Voltage Selection240
Completing the Test242
Autorecloser for 1/2/3-Phase Operation SMBRREC242
Preparation of the Verification244
Switching the Auto Recloser to on and off on and off244
Verifying the Auto Recloser245
Checking the Auto Reclosing Conditions245
Completing the Test247
Apparatus Control APC247
Function Revision History247
Voltage Control TR1ATCC, TR8ATCC, TCMYLTC, TCLYLTC247
Secondary Test249
Check the Activation of the Voltage Control Operation249
Check the Normal Voltage Regulation Function249
Check the Undervoltage Block Function250
Check the Upper and Lower Busbar Voltage Limit250
Check the Overcurrent Block Function250
Single Transformer251
Parallel Voltage Regulation252
Completing the Test255
Single Command, 16 Signals SINGLECMD255
Interlocking255
Scheme Communication255
Scheme Communication Logic for Distance or Overcurrent Protection ZCPSCH255
Function Revision History256
Testing Permissive Underreaching256
Testing Permissive Overreaching256
Testing Blocking Scheme257
Testing Delta Blocking Scheme257
Checking of Unblocking Logic257
Completing the Test257
Phase Segregated Scheme Communication Logic for Distance or Overcurrent Protection ZPCPSCH258
Function Revision History258
Testing Permissive Underreaching258
Testing Permissive Overreaching258
Testing Blocking Scheme259
Completing the Test259
Current Reversal and Weak-End Infeed Logic for Distance Protection 3-Phase ZCRWPSCH259
Function Revision History260
Current Reversal Logic260
Weak End Infeed Logic260
Completing the Test261
Scheme Communication Logic for Residual Overcurrent Protection ECPSCH261
Function Revision History262
Testing the Directional Comparison Logic Function262
Completing the Test263
Current Reversal and Weak-End Infeed Logic for Residual Overcurrent Protection ECRWPSCH263
Testing the Current Reversal Logic263
Testing the Weak-End Infeed Logic264
Completing the Test265
Logic265
Tripping Logic, Common 3-Phase Output SMPPTRC265
Function Revision History265
Phase Operating Mode265
1Ph/3Ph Operating Mode266
1Ph/2Ph/3Ph Operating Mode266
Circuit Breaker Lockout267
Completing the Test268
Monitoring268
Gas Medium Supervision SSIMG268
Function Revision History268
Testing the Gas Medium Supervision for Pressure Alarm and Pressure Lockout Conditions269
Testing the Gas Medium Supervision for Temperature Alarm and Temperature269
Lockout Conditions269
Completing the Test269
Liquid Medium Supervision SSIML269
Function Revision History270
Testing the Liquid Medium Supervision for Level Alarm and Level Lockout Conditions270
Testing the Gas Medium Supervision for Temperature Alarm and Temperature Lockout Conditions270
Completing the Test271
Breaker Monitoring SSCBR271
Verifying the Settings271
Completing the Test272
Event Function EVENT272
Limit Counter L4UFCNT272
Completing the Test273
Estimation of Transformer Insulation Life LOLSPTR273
Verifying the Signals and Settings273
Completing the Test274
Through Fault Monitoring PTRSTHR274
Verifying the Signals and Settings274
Completing the Test275
Function Revision History275
Current Harmonic Monitoring CHMMHAI275
Verifying the Signals and Settings275
Completing the Test276
Function Revision History276
Voltage Harmonic Monitoring VHMMHAI277
Verifying the Signals and Settings277
Completing the Test277
Function Revision History277
Fault Current and Voltage Monitoring Function FLTMMXU278
Verifying the Settings278
Completing the Test278
Fault Locator LMBRFLO278
Function Revision History278
Verifying the Signals and Settings279
Measuring the Operate Limit279
Completing the Test280
Metering280
Pulse-Counter Logic PCFCNT280
Function for Energy Calculation and Demand Handling ETPMMTR280
Verifying the Settings280
Completing the Test281
Station Communication281
Multiple Command and Transmit MULTICMDRCV / MULTICMDSND281
Remote Communication282
Binary Signal Transfer282
Basic IED Functions283
Parameter Setting Group Handling SETGRPS283
Verifying the Settings283
Completing the Test283
Exit Test Mode284
Primary Injection Testing285
Transformer Voltage Control ATCC285
Load Drop Compensation Function, LDC285
Voltage Control of Parallel Transformers286
Minimum Circulating Current (MCC) Method287
Master Follower (MF) Method288
Completing the Test289
Checking the Directionality291
Overview291
Testing the Directionality of the Distance Protection291
Commissioning and Maintenance of the Fault Clearing System293
Commissioning Tests293
Periodic Maintenance Tests293
Visual Inspection294
Maintenance Tests294
Preparation294
Recording294
Secondary Injection294
Alarm Test294
Self Supervision Check295
Trip Circuit Check295
Measurement of Service Currents295
Restoring296
Troubleshooting297
Checking the Self Supervision Signals297
Checking the Self Supervision Function297
Determine the Cause of an Internal Failure297
Self Supervision HMI Data297
General IED Status297
Fault Tracing298
Internal Fault Indications298
Using Front-Connected PC299
Diagnosing the IED Status Via the LHMI Hint Menu300
Hardware Re-Configuration303
Repair Instruction304
Repair Support305
Maintenance305
Glossary307

Brand	Hitachi
Model	RET670
Category	Control Systems
Language	English

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