ABB RELION 670 SERIES REG670 Instructions for use

RELION® 670 SERIES
—
Generator protection REG670
Version 2.2 ANSI
Application manual

Document ID: 1MRK 502 071-UUS
Issued: October 2017
Revision: A
Product version: 2.2.1
© Copyright 2017 ABB. All rights reserved

Copyright
This document and parts thereof must not be reproduced or copied without written
permission from ABB, and the contents thereof must not be imparted to a third party,
nor used for any unauthorized purpose.
The software and hardware described in this document is furnished under a license and
may be used or disclosed only in accordance with the terms of such license.
This product includes software developed by the OpenSSL Project for use in the
OpenSSL Toolkit. (http://www.openssl.org/) This product includes cryptographic
software written/developed by: Eric Young ([email protected]) and Tim Hudson
([email protected]).
Trademarks
ABB and Relion are registered trademarks of the ABB Group. All other brand or
product names mentioned in this document may be trademarks or registered
trademarks of their respective holders.
Warranty
Please inquire about the terms of warranty from your nearest ABB representative.

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. In
particular, any risks in applications where a system failure and/or product failure would
create a risk for harm to property or persons (including but not limited to personal
injuries or death) shall be the sole responsibility of the person or entity applying the
equipment, and those so responsible are hereby requested to ensure that all measures
are taken to exclude or mitigate such risks.
This document has been carefully checked by ABB but deviations cannot be
completely ruled out. In case any errors are detected, the reader is kindly requested to
notify the manufacturer. Other than under explicit contractual commitments, in no
event shall ABB be responsible or liable for any loss or damage resulting from the use
of this manual or the application of the equipment.

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). This
conformity is the result of tests conducted by ABB in accordance with the product
standard EN 60255-26 for the EMC directive, and with the product standards EN
60255-1 and EN 60255-27 for the low voltage directive. The product is designed in
accordance with the international standards of the IEC 60255 series and ANSI C37.90.
The DNP protocol implementation in the IED conforms to "DNP3 Intelligent
Electronic Device (IED) Certification Procedure Subset Level 2", available at
www.dnp.org.

Table of contents
Section 1 Introduction..........................................................................23
This manual............................................................................................ 23
Intended audience.................................................................................. 23
Product documentation...........................................................................24
Product documentation set................................................................24
Document revision history................................................................. 25
Related documents............................................................................26
Document symbols and conventions...................................................... 26
Symbols.............................................................................................26
Document conventions...................................................................... 27
IEC 61850 edition 1 / edition 2 mapping.................................................28
Section 2 Application...........................................................................39
General IED application..........................................................................39
Main protection functions........................................................................48
Back-up protection functions.................................................................. 49
Control and monitoring functions............................................................ 50
Communication.......................................................................................55
Basic IED functions.................................................................................58
Section 3 Configuration....................................................................... 61
Description of REG670........................................................................... 61
Introduction........................................................................................61
Description of configuration A20 ..................................................61
Description of configuration B30...................................................62
Description of configuration C30.................................................. 65
Section 4 Analog inputs.......................................................................67
Introduction.............................................................................................67
Setting guidelines................................................................................... 67
Setting of the phase reference channel.............................................67
Example........................................................................................68
Setting of current channels................................................................68
Example 1.....................................................................................69
Example 2.....................................................................................69
Example 3.....................................................................................70
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Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062 1
Application manual

Examples on how to connect, configure and set CT inputs
for most commonly used CT connections.................................... 73
Example on how to connect a wye connected three-phase
CT set to the IED.......................................................................... 74
Example how to connect delta connected three-phase CT
set to the IED................................................................................79
Example how to connect single-phase CT to the IED.................. 82
Relationships between setting parameter Base Current, CT
rated primary current and minimum pickup of a protection IED........ 84
Setting of voltage channels............................................................... 84
Example........................................................................................85
Examples how to connect, configure and set VT inputs for
most commonly used VT connections..........................................85
Examples on how to connect a three phase-to-ground
connected VT to the IED.............................................................. 86
Example on how to connect a phase-to-phase connected
VT to the IED................................................................................ 88
Example on how to connect an open delta VT to the IED for
high impedance grounded or ungrounded networks.................... 90
Example how to connect the open delta VT to the IED for
low impedance grounded or solidly grounded power systems..... 93
Section 5 Local HMI............................................................................ 97
Display.................................................................................................... 98
LEDs.....................................................................................................101
Keypad..................................................................................................102
Local HMI functionality..........................................................................104
Protection and alarm indication....................................................... 104
Parameter management .................................................................105
Front communication....................................................................... 106
Section 6 Wide area measurement system.......................................107
C37.118 Phasor Measurement Data Streaming Protocol
Configuration PMUCONF..................................................................... 107
Identification.................................................................................... 107
Application....................................................................................... 107
Operation principle.......................................................................... 107
Short guidance for use of TCP................................................... 108
Short guidance for use of UDP...................................................109
Protocol reporting via IEEE 1344 and C37.118 PMUREPORT............ 111
Identification.................................................................................... 111
Application....................................................................................... 112
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2Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
Application manual

Operation principle.......................................................................... 114
Frequency reporting................................................................... 116
Reporting filters.......................................................................... 118
Scaling Factors for ANALOGREPORT channels....................... 119
PMU Report Function Blocks Connection Rules in PCM600
Application Configuration Tool (ACT)......................................... 121
Setting guidelines............................................................................ 127
Section 7 Differential protection........................................................ 133
Transformer differential protection T2WPDIF and T3WPDIF (87T)......133
Identification.................................................................................... 133
Application....................................................................................... 133
Setting guidelines............................................................................ 134
Restrained and unrestrained differential protection....................134
Elimination of zero sequence currents....................................... 138
Inrush restraint methods.............................................................138
Overexcitation restraint method..................................................138
Cross-blocking between phases.................................................139
External/Internal fault discriminator............................................ 139
On-line compensation for on-load tap-changer position.............141
Differential current alarm............................................................ 142
Open CT detection..................................................................... 142
Switch onto fault feature............................................................. 143
Setting example...............................................................................143
Introduction.................................................................................143
Typical main CT connections for transformer differential
protection....................................................................................144
Application Examples................................................................. 145
Summary and conclusions......................................................... 153
High impedance differential protection, single phase HZPDIF (87)......155
Identification.................................................................................... 155
Application....................................................................................... 156
The basics of the high impedance principle............................... 158
Connection examples for high impedance differential protection.... 164
Connections for three-phase high impedance differential
protection....................................................................................164
Connections for 1Ph High impedance differential protection
HZPDIF (87)............................................................................... 165
Setting guidelines............................................................................ 166
Configuration.............................................................................. 167
Settings of protection function.................................................... 167
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Application manual

T-feeder protection..................................................................... 167
Tertiary reactor protection.......................................................... 171
Restricted earth fault protection (87N)........................................174
Alarm level operation..................................................................176
Generator differential protection GENPDIF (87G)................................ 177
Identification.................................................................................... 177
Application....................................................................................... 177
Setting guidelines............................................................................ 179
General settings......................................................................... 180
Percentage restrained differential operation...............................180
Negative sequence internal/external fault discriminator feature.182
Open CT detection..................................................................... 183
Other additional options..............................................................184
Low impedance restricted earth fault protection REFPDIF (87N).........186
Identification.................................................................................... 186
Application....................................................................................... 186
Transformer winding, solidly grounded.......................................187
Transformer winding, grounded through Zig-Zag grounding
transformer................................................................................. 187
Autotransformer winding, solidly grounded................................ 189
Reactor winding, solidly grounded..............................................189
Multi-breaker applications...........................................................190
CT grounding direction............................................................... 191
Setting guidelines............................................................................ 191
Setting and configuration............................................................191
Settings.......................................................................................192
Section 8 Impedance protection........................................................195
Full-scheme distance measuring, Mho characteristic ZMHPDIS (21).. 195
Identification.................................................................................... 195
Application....................................................................................... 195
Generator underimpedance protection application.....................195
Setting guidelines............................................................................ 195
Configuration.............................................................................. 195
Settings.......................................................................................196
High speed distance protection ZMFPDIS (21).................................... 199
Identification.................................................................................... 199
Application....................................................................................... 200
System grounding.......................................................................200
Fault infeed from remote end..................................................... 203
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4Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
Application manual

Load encroachment....................................................................204
Short line application.................................................................. 205
Long transmission line application..............................................206
Parallel line application with mutual coupling............................. 207
Tapped line application...............................................................214
Setting guidelines............................................................................ 216
General.......................................................................................216
Setting of zone 1.........................................................................217
Setting of overreaching zone......................................................217
Setting of reverse zone...............................................................218
Setting of zones for parallel line application............................... 219
Setting the reach with respect to load........................................ 220
Zone reach setting lower than minimum load impedance.......... 221
Zone reach setting higher than minimum load impedance.........223
Other settings............................................................................. 224
ZMMMXU settings...................................................................... 227
High speed distance protection for series compensated lines
ZMFCPDIS (21).................................................................................... 228
Identification.................................................................................... 228
Application....................................................................................... 228
System grounding.......................................................................229
Fault infeed from remote end..................................................... 231
Load encroachment....................................................................232
Short line application.................................................................. 233
Long transmission line application..............................................234
Parallel line application with mutual coupling............................. 235
Tapped line application...............................................................242
Series compensation in power systems.......................................... 245
Steady state voltage regulation and increase of voltage
collapse limit............................................................................... 245
Increase in power transfer.......................................................... 246
Voltage and current inversion.....................................................247
Impact of series compensation on protective IED of
adjacent lines..............................................................................256
Distance protection.....................................................................257
Underreaching and overreaching schemes................................258
Setting guidelines............................................................................ 265
General.......................................................................................265
Setting of zone 1.........................................................................266
Setting of overreaching zone......................................................266
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Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062 5
Application manual

Setting of reverse zone...............................................................267
Series compensated and adjacent lines.....................................267
Setting of zones for parallel line application............................... 272
Setting of reach in resistive direction..........................................274
Load impedance limitation, without load encroachment
function.......................................................................................275
Zone reach setting higher than minimum load impedance.........276
Parameter setting guidelines...................................................... 277
ZMMMXU settings...................................................................... 280
Pole slip protection PSPPPAM (78)......................................................280
Identification.................................................................................... 280
Application....................................................................................... 281
Setting guidelines............................................................................ 283
Setting example for line application............................................285
Setting example for generator application.................................. 290
Out-of-step protection OOSPPAM (78)................................................ 295
Identification.................................................................................... 295
Application....................................................................................... 295
Setting guidelines............................................................................ 298
Loss of excitation LEXPDIS(40)........................................................... 302
Identification.................................................................................... 302
Application....................................................................................... 302
Setting guidelines............................................................................ 308
Sensitive rotor earth fault protection, injection based ROTIPHIZ (6
4R)........................................................................................................312
Identification.................................................................................... 312
Application....................................................................................... 312
Rotor earth fault protection function........................................... 312
Setting guidelines............................................................................ 316
Setting injection unit REX060..................................................... 316
Connecting and setting voltage inputs........................................317
Settings for sensitive rotor earth fault protection,ROTIPHIZ (
64R)............................................................................................319
100% stator earth fault protection, injection based STTIPHIZ (64S).... 320
Identification.................................................................................... 320
Application....................................................................................... 320
100% Stator earth fault protection function................................ 321
Setting guidelines............................................................................ 326
Setting injection unit REX060..................................................... 326
Connecting and setting voltage inputs........................................327
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6Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
Application manual

100% stator earth fault protection...............................................329
Under impedance protection for generators and transformers
ZGVPDIS.............................................................................................. 330
Identification.................................................................................... 330
Application....................................................................................... 331
Operating zones......................................................................... 332
Zone 1 operation........................................................................ 333
Zone 2 operation........................................................................ 333
Zone 3 operation........................................................................ 334
CT and VT positions................................................................... 335
Undervoltage seal-in function..................................................... 335
Load encroachment for zone 2 and zone 3................................ 335
External block signals.................................................................336
Setting Guidelines........................................................................... 337
General.......................................................................................337
Load encroachment....................................................................338
Under voltage seal-in..................................................................339
Rotor ground fault protection (64R)using CVGAPC............................. 340
Section 9 Current protection..............................................................341
Instantaneous phase overcurrent protection PHPIOC (50).................. 341
Identification.................................................................................... 341
Application....................................................................................... 341
Setting guidelines............................................................................ 342
Meshed network without parallel line..........................................343
Meshed network with parallel line...............................................345
Directional phase overcurrent protection, four steps
OC4PTOC(51_67)................................................................................ 347
Identification.................................................................................... 347
Application....................................................................................... 347
Setting guidelines............................................................................ 348
Settings for each step.................................................................350
Setting example..........................................................................354
Instantaneous residual overcurrent protection EFPIOC (50N)............. 359
Identification.................................................................................... 359
Application....................................................................................... 359
Setting guidelines............................................................................ 359
Directional residual overcurrent protection, four steps EF4PTOC
(51N/67N)............................................................................................. 362
Identification.................................................................................... 362
Application....................................................................................... 363
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Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062 7
Application manual

Setting guidelines............................................................................ 365
Common settings for all steps.................................................... 365
2nd harmonic restrain.................................................................367
Parallel transformer inrush current logic.....................................367
Switch onto fault logic.................................................................368
Settings for each step (x = 1, 2, 3 and 4)................................... 369
Transformer application example............................................... 372
Four step directional negative phase sequence overcurrent
protection NS4PTOC (46I2)..................................................................377
Identification.................................................................................... 377
Application....................................................................................... 377
Setting guidelines............................................................................ 379
Settings for each step ................................................................379
Common settings for all steps.................................................... 382
Sensitive directional residual overcurrent and power protection
SDEPSDE (67N)...................................................................................383
Identification.................................................................................... 384
Application....................................................................................... 384
Setting guidelines............................................................................ 386
Thermal overload protection, two time constants TRPTTR (49)...........395
Identification.................................................................................... 395
Application....................................................................................... 395
Setting guideline.............................................................................. 396
Breaker failure protection CCRBRF(50BF)...........................................399
Identification.................................................................................... 399
Application....................................................................................... 399
Setting guidelines............................................................................ 399
Pole discrepancy protection CCPDSC(52PD)...................................... 403
Identification.................................................................................... 403
Application....................................................................................... 403
Setting guidelines............................................................................ 404
Directional underpower protection GUPPDUP (37)..............................404
Identification.................................................................................... 405
Application....................................................................................... 405
Setting guidelines............................................................................ 407
Directional overpower protection GOPPDOP (32)................................411
Identification.................................................................................... 411
Application....................................................................................... 411
Setting guidelines............................................................................ 413
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8Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
Application manual

Negativ sequence time overcurrent protection for machines
NS2PTOC (46I2).................................................................................. 417
Identification.................................................................................... 417
Application....................................................................................... 418
Features..................................................................................... 418
Generator continuous unbalance current capability................... 419
Setting guidelines............................................................................ 421
Operate time characteristic.........................................................422
Pickup sensitivity........................................................................ 423
Alarm function.............................................................................423
Accidental energizing protection for synchronous generator
AEGPVOC (50AE)................................................................................424
Identification.................................................................................... 424
Application....................................................................................... 424
Setting guidelines............................................................................ 424
Voltage-restrained time overcurrent protection VRPVOC (51V)...........426
Identification.................................................................................... 426
Application....................................................................................... 426
Base quantities........................................................................... 427
Application possibilities...............................................................427
Undervoltage seal-in...................................................................427
Setting guidelines............................................................................ 428
Explanation of the setting parameters........................................ 428
Voltage-restrained overcurrent protection for generator and
step-up transformer.................................................................... 429
General settings......................................................................... 430
Overcurrent protection with undervoltage seal-in....................... 431
Generator stator overload protection GSPTTR (49S)...........................432
Identification.................................................................................... 432
Application....................................................................................... 432
Generator rotor overload protection GRPTTR (49R)............................432
Identification.................................................................................... 433
Application....................................................................................... 433
Setting guideline.............................................................................. 433
Section 10 Voltage protection............................................................. 437
Two step undervoltage protection UV2PTUV (27)................................437
Identification.................................................................................... 437
Application....................................................................................... 437
Setting guidelines............................................................................ 438
Equipment protection, such as for motors and generators.........438
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Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062 9
Application manual

Disconnected equipment detection............................................ 438
Power supply quality ..................................................................438
Voltage instability mitigation....................................................... 438
Backup protection for power system faults.................................439
Settings for two step undervoltage protection............................ 439
Two step overvoltage protection OV2PTOV (59)................................. 440
Identification.................................................................................... 441
Application....................................................................................... 441
Setting guidelines............................................................................ 442
Equipment protection, such as for motors, generators,
reactors and transformers.......................................................... 442
Equipment protection, capacitors............................................... 442
Power supply quality...................................................................443
High impedance grounded systems........................................... 443
The following settings can be done for the two step
overvoltage protection................................................................ 443
Two step residual overvoltage protection ROV2PTOV (59N)...............445
Identification.................................................................................... 445
Application....................................................................................... 445
Setting guidelines............................................................................ 446
Equipment protection, such as for motors, generators,
reactors and transformersEquipment protection
for transformers.......................................................................... 446
Equipment protection, capacitors............................................... 446
Stator ground-fault protection based on residual voltage
measurement..............................................................................446
Power supply quality...................................................................450
High impedance grounded systems........................................... 450
Direct grounded system..............................................................451
Settings for two step residual overvoltage protection................. 452
Overexcitation protection OEXPVPH (24)............................................ 454
Identification.................................................................................... 454
Application....................................................................................... 454
Setting guidelines............................................................................ 456
Recommendations for input and output signals......................... 456
Settings.......................................................................................457
Service value report....................................................................458
Setting example..........................................................................458
Voltage differential protection VDCPTOV (60)..................................... 460
Identification.................................................................................... 460
Application....................................................................................... 460
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10 Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
Application manual

Setting guidelines............................................................................ 462
100% Stator ground fault protection, 3rd harmonic based
STEFPHIZ (59THD)..............................................................................464
Identification.................................................................................... 464
Application....................................................................................... 464
Setting guidelines............................................................................ 468
Section 11 Frequency protection.........................................................471
Underfrequency protection SAPTUF (81).............................................471
Identification.................................................................................... 471
Application....................................................................................... 471
Setting guidelines............................................................................ 472
Overfrequency protection SAPTOF (81)...............................................472
Identification.................................................................................... 473
Application....................................................................................... 473
Setting guidelines............................................................................ 473
Rate-of-change of frequency protection SAPFRC (81)........................ 474
Identification.................................................................................... 474
Application....................................................................................... 474
Setting guidelines............................................................................ 475
Frequency time accumulation protection function FTAQFVR (81A).....476
Identification.................................................................................... 476
Application....................................................................................... 476
Setting guidelines............................................................................ 478
Section 12 Multipurpose protection..................................................... 481
General current and voltage protection CVGAPC................................ 481
Identification.................................................................................... 481
Application....................................................................................... 481
Current and voltage selection for CVGAPC function..................482
Base quantities for CVGAPC function........................................ 485
Application possibilities...............................................................485
Inadvertent generator energization.............................................486
Setting guidelines............................................................................ 487
Directional negative sequence overcurrent protection............... 487
Negative sequence overcurrent protection.................................489
Generator stator overload protection in accordance with IEC
or ANSI standards...................................................................... 492
Open phase protection for transformer, lines or generators
and circuit breaker head flashover protection for generators..... 494
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Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062 11
Application manual

Voltage restrained overcurrent protection for generator and
step-up transformer.................................................................... 495
Loss of excitation protection for a generator.............................. 495
Inadvertent generator energization.............................................497
General settings of the instance................................................. 499
Settings for OC1......................................................................... 499
Setting for OC2...........................................................................500
Setting for UC1........................................................................... 500
Setting for UC2........................................................................... 500
Settings for OV1......................................................................... 500
Setting for OV2........................................................................... 501
Settings for UV1......................................................................... 501
Setting for UV2........................................................................... 501
Section 13 System protection and control...........................................503
Multipurpose filter SMAIHPAC..............................................................503
Identification.................................................................................... 503
Application....................................................................................... 503
Setting guidelines............................................................................ 505
Setting example..........................................................................505
Section 14 Secondary system supervision..........................................509
Current circuit supervision (87).............................................................509
Identification.................................................................................... 509
Application....................................................................................... 509
Setting guidelines............................................................................ 510
Fuse failure supervision FUFSPVC...................................................... 510
Identification.................................................................................... 510
Application....................................................................................... 510
Setting guidelines............................................................................ 511
General.......................................................................................511
Setting of common parameters.................................................. 512
Negative sequence based.......................................................... 512
Zero sequence based.................................................................513
Delta V and delta I ..................................................................... 514
Dead line detection.....................................................................514
Fuse failure supervision VDSPVC (60).................................................515
Identification.................................................................................... 515
Application....................................................................................... 515
Setting guidelines............................................................................ 516
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12 Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
Application manual

Section 15 Control...............................................................................519
Synchronism check, energizing check, and synchronizing
SESRSYN (25)..................................................................................... 519
Identification.................................................................................... 519
Application....................................................................................... 519
Synchronizing............................................................................. 519
Synchronism check.................................................................... 521
Energizing check........................................................................ 523
Voltage selection........................................................................ 524
External fuse failure....................................................................525
Application examples.......................................................................526
Single circuit breaker with single busbar.................................... 527
Single circuit breaker with double busbar, external voltage
selection..................................................................................... 528
Single circuit breaker with double busbar, internal voltage
selection..................................................................................... 529
Double circuit breaker.................................................................530
Breaker-and-a-half......................................................................531
Setting guidelines............................................................................ 534
Apparatus control APC......................................................................... 539
Application....................................................................................... 539
Bay control QCBAY.................................................................... 545
Switch controller SCSWI............................................................ 546
Switches SXCBR/SXSWI........................................................... 546
Proxy for signals from switching device via GOOSE
XLNPROXY................................................................................ 547
Reservation function (QCRSV and RESIN)................................550
Interaction between modules...........................................................552
Setting guidelines............................................................................ 556
Bay control (QCBAY)..................................................................556
Switch controller (SCSWI).......................................................... 556
Switch (SXCBR/SXSWI).............................................................557
Proxy for signals from switching device via GOOSE
XLNPROXY................................................................................ 558
Bay Reserve (QCRSV)...............................................................559
Reservation input (RESIN)......................................................... 559
Interlocking (3)...................................................................................... 559
Configuration guidelines.................................................................. 560
Interlocking for line bay ABC_LINE (3)............................................ 561
Application.................................................................................. 561
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Application manual

Signals from bypass busbar....................................................... 561
Signals from bus-coupler............................................................562
Configuration setting...................................................................566
Interlocking for bus-coupler bay ABC_BC (3)..................................567
Application.................................................................................. 567
Configuration.............................................................................. 567
Signals from all feeders.............................................................. 567
Signals from bus-coupler............................................................570
Configuration setting...................................................................571
Interlocking for transformer bay AB_TRAFO (3)..............................572
Application.................................................................................. 572
Signals from bus-coupler............................................................573
Configuration setting...................................................................574
Interlocking for bus-section breaker A1A2_BS (3)...........................575
Application.................................................................................. 575
Signals from all feeders.............................................................. 575
Configuration setting...................................................................578
Interlocking for bus-section disconnector A1A2_DC (3).................. 579
Application.................................................................................. 579
Signals in single breaker arrangement....................................... 579
Signals in double-breaker arrangement..................................... 582
Signals in breaker and a half arrangement.................................585
Interlocking for busbar grounding switch BB_ES (3)....................... 586
Application.................................................................................. 586
Signals in single breaker arrangement....................................... 587
Signals in double-breaker arrangement..................................... 591
Signals in breaker and a half arrangement.................................592
Interlocking for double CB bay DB (3)............................................. 593
Application.................................................................................. 593
Configuration setting...................................................................593
Interlocking for breaker-and-a-half diameter BH (3)........................ 594
Application.................................................................................. 594
Configuration setting...................................................................595
Voltage control......................................................................................596
Application....................................................................................... 596
Setting guidelines............................................................................ 631
TR1ATCC or TR8ATCC general settings...................................631
TR1ATCC (90) or TR8ATCC (90) Setting group ....................... 632
TCMYLTC and TCLYLTC (84) general settings.........................642
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14 Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
Application manual