ABB Relion 670 series Instructions for use

Relion® 670 SERIES
Busbar protection REB670
Version 2.2 ANSI
Application manual

Document ID: 1MRK 505 370-UUS
Issued: June 2021
Revision: K
Product version: 2.2
© 2017 - 2021 Hitachi Power Grids. All rights reserved

Copyright
This document and parts thereof must not be reproduced or copied without written permission from
Hitachi Power Grids, 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.
(https://www.openssl.org/) This product includes cryptographic software written/developed by: Eric Young
([email protected]) and Tim Hudson ([email protected]).
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.
Warranty
Please inquire about the terms of warranty from your nearest Hitachi Power Grids 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 Hitachi Power Grids 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 Hitachi Power Grids 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 Hitachi Power Grids 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.

Table of contents
Section 1 Introduction.......................................................................................................17
1.1 This manual...............................................................................................................................17
1.2 Intended audience.....................................................................................................................17
1.3 Product documentation............................................................................................................. 18
1.3.1 Product documentation set......................................................................................................18
1.3.2 Document revision history.......................................................................................................19
1.3.3 Related documents................................................................................................................. 20
1.4 Document symbols and conventions.........................................................................................20
1.4.1 Symbols...................................................................................................................................20
1.4.2 Document conventions............................................................................................................21
1.5 IEC 61850 edition 1 / edition 2 mapping................................................................................... 21
Section 2 Application........................................................................................................ 27
2.1 General IED application............................................................................................................ 27
2.2 Main protection functions.......................................................................................................... 30
2.3 Back-up protection functions..................................................................................................... 31
2.4 Control and monitoring functions...............................................................................................32
2.5 Communication......................................................................................................................... 37
2.6 Basic IED functions................................................................................................................... 39
Section 3 Configuration.................................................................................................... 43
3.1 Description of configuration REB670........................................................................................ 43
3.1.1 Available ACT configurations for pre-configured REB670...................................................... 43
3.1.2 Configuration X01....................................................................................................................43
3.1.3 Configuration X02....................................................................................................................43
3.1.4 Configuration X03....................................................................................................................43
3.1.5 Description of 3 ph package A20A..........................................................................................44
3.1.6 Description of 3 ph package A31A..........................................................................................45
3.1.7 Description of 1 ph package B20A..........................................................................................48
3.1.8 Description of 1 ph package B31A..........................................................................................50
Section 4 Analog inputs....................................................................................................55
4.1 Introduction................................................................................................................................55
4.2 Setting guidelines...................................................................................................................... 55
4.2.1 Setting of the phase reference channel...................................................................................55
4.2.1.1 Example............................................................................................................................. 55
4.2.2 Setting of current channels......................................................................................................56
4.2.2.1 Example 1.......................................................................................................................... 56
4.2.2.2 Example 2.......................................................................................................................... 57
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© 2017 - 2021 Hitachi Power Grids. All rights reserved

4.2.2.3 Example 3.......................................................................................................................... 57
4.2.2.4 Examples on how to connect, configure and set CT inputs for most commonly used
CT connections.................................................................................................................. 61
4.2.2.5 Example on how to connect a wye connected three-phase CT set to the IED ................. 62
4.2.2.6 Example how to connect delta connected three-phase CT set to the IED.........................66
4.2.2.7 Example how to connect single-phase CT to the IED........................................................68
4.2.3 Relationships between setting parameter Base Current, CT rated primary current and
minimum pickup of a protection IED........................................................................................69
4.2.4 Setting of voltage channels..................................................................................................... 70
4.2.4.1 Example............................................................................................................................. 70
4.2.4.2 Examples how to connect, configure and set VT inputs for most commonly used VT
connections........................................................................................................................ 70
4.2.4.3 Examples on how to connect a three phase-to-ground connected VT to the IED .............71
4.2.4.4 Example on how to connect a phase-to-phase connected VT to the IED..........................73
4.2.4.5 Example on how to connect an open delta VT to the IED for high impedance
grounded or ungrounded networks ................................................................................... 75
4.2.4.6 Example how to connect the open delta VT to the IED for low impedance grounded
or solidly grounded power systems....................................................................................77
4.2.4.7 Example on how to connect a neutral point VT to the IED.................................................79
Section 5 Local HMI...........................................................................................................83
5.1 Display.......................................................................................................................................84
5.2 LEDs..........................................................................................................................................85
5.3 Keypad...................................................................................................................................... 86
5.4 Local HMI functionality.............................................................................................................. 88
5.4.1 Protection and alarm indication...............................................................................................88
5.4.2 Parameter management .........................................................................................................89
5.4.3 Front communication...............................................................................................................89
Section 6 Differential protection...................................................................................... 91
6.1 Busbar differential protection ....................................................................................................91
6.1.1 Identification............................................................................................................................ 91
6.1.2 Basic applications....................................................................................................................93
6.1.2.1 General...............................................................................................................................93
6.1.2.2 Meshed corner application and T-connection application.................................................. 93
6.1.3 Busbar protection applications................................................................................................ 93
6.1.3.1 General...............................................................................................................................93
6.1.3.2 Differential protection......................................................................................................... 94
6.1.3.3 Check zone protection........................................................................................................96
6.1.3.4 Switch status monitoring.................................................................................................... 98
6.1.3.5 CT connection control...................................................................................................... 102
6.1.3.6 CT disconnection for bus interconnector CT cores.......................................................... 103
6.1.3.7 End fault protection.......................................................................................................... 107
6.1.3.8 Zone interconnection (Load transfer)............................................................................... 109
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6.1.3.9 Tripping arrangements......................................................................................................110
6.1.3.10 Mechanical lock-out function............................................................................................ 112
6.1.3.11 Contact reinforcement with heavy duty relays..................................................................113
6.1.3.12 Trip circuit supervision......................................................................................................113
6.1.4 Two-zone busbar arrangements............................................................................................113
6.1.4.1 General.............................................................................................................................113
6.1.4.2 Single busbar arrangements............................................................................................ 114
6.1.4.3 Single busbar arrangements with sectionalizer................................................................114
6.1.4.4 Single busbar arrangements with bus-section breaker.................................................... 115
6.1.4.5 H-type busbar arrangements............................................................................................116
6.1.4.6 Double circuit breaker busbar arrangement..................................................................... 118
6.1.4.7 Breaker-and-a-half busbar arrangements ....................................................................... 119
6.1.4.8 Double busbar single breaker arrangement.....................................................................121
6.1.4.9 Double busbar arrangements with two bus-section breakers and two bus-coupler
breakers........................................................................................................................... 127
6.1.4.10 Combined busbar arrangements......................................................................................127
6.1.5 Six-zone busbar arrangements............................................................................................. 130
6.1.5.1 General.............................................................................................................................130
6.1.5.2 Typical arrangement which can be covered.....................................................................130
6.1.5.3 Example engineering procedure...................................................................................... 131
6.1.6 Summation principle..............................................................................................................136
6.1.6.1 Introduction.......................................................................................................................136
6.1.6.2 Auxiliary summation CTs..................................................................................................138
6.1.6.3 Possible ASCT connections for REB670......................................................................... 139
6.1.6.4 Main CT ratio mismatch correction...................................................................................141
6.1.6.5 Primary pick-up levels for summation type differential protection ................................... 141
6.1.6.6 SLCE 8/ASCT characteristics for end-connection............................................................143
6.1.6.7 SLCE 8/ASCT characteristics for series-connection........................................................144
Section 7 Current protection.......................................................................................... 147
7.1 Directional phase overcurrent protection, four steps OC4PTOC (51_67) .............................. 147
7.1.1 Function revision history........................................................................................................147
7.1.2 Identification.......................................................................................................................... 147
7.1.3 Application.............................................................................................................................147
7.1.4 Setting guidelines..................................................................................................................149
7.1.4.1 Settings for each step ......................................................................................................150
7.1.4.2 Setting example................................................................................................................153
7.2 Four step single phase overcurrent protection PH4SPTOC (51)............................................ 157
7.2.1 Function revision history........................................................................................................158
7.2.2 Identification.......................................................................................................................... 158
7.2.3 Application.............................................................................................................................158
7.2.4 Setting guidelines..................................................................................................................159
7.2.4.1 Settings for each step (x = 1-4)........................................................................................159
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7.2.4.2 Second harmonic restrain................................................................................................ 161
7.3 Directional residual overcurrent protection, four steps EF4PTOC (51N/67N).........................165
7.3.1 Function revision history........................................................................................................166
7.3.2 Identification.......................................................................................................................... 166
7.3.3 Setting guidelines..................................................................................................................166
7.3.3.1 Common settings for all steps..........................................................................................167
7.3.3.2 2nd harmonic restrain........................................................................................................168
7.3.3.3 Parallel transformer inrush current logic...........................................................................168
7.3.3.4 Switch onto fault logic.......................................................................................................169
7.3.3.5 Settings for each step (x = 1, 2, 3 and 4) ........................................................................ 170
7.3.3.6 Phase selection element.................................................................................................. 172
7.4 Four step directional negative phase sequence overcurrent protection NS4PTOC (46I2)......172
7.4.1 Function revision history........................................................................................................173
7.4.2 Identification.......................................................................................................................... 173
7.4.3 Application.............................................................................................................................173
7.4.4 Setting guidelines..................................................................................................................174
7.4.4.1 Settings for each step ......................................................................................................175
7.4.4.2 Common settings for all steps..........................................................................................177
7.5 Thermal overload protection, two time constants TRPTTR (49)............................................. 178
7.5.1 Identification.......................................................................................................................... 178
7.5.2 Application.............................................................................................................................179
7.5.3 Setting guideline....................................................................................................................179
7.5.3.1 Setting example................................................................................................................181
7.6 Breaker failure protection CCRBRF (50BF) ........................................................................... 183
7.6.1 Function revision history........................................................................................................183
7.6.2 Identification.......................................................................................................................... 184
7.6.3 Application.............................................................................................................................184
7.6.4 Setting guidelines..................................................................................................................184
7.7 Breaker failure protection, single phase version CCSRBRF (50BF)....................................... 192
7.7.1 Function revision history........................................................................................................192
7.7.2 Identification.......................................................................................................................... 193
7.7.3 Application.............................................................................................................................193
7.7.4 Setting guidelines..................................................................................................................193
7.8 Directional underpower protection GUPPDUP (37)................................................................ 201
7.8.1 Identification.......................................................................................................................... 201
7.8.2 Application.............................................................................................................................201
7.8.3 Setting guidelines..................................................................................................................202
7.9 Directional overpower protection GOPPDOP (32).................................................................. 206
7.9.1 Identification.......................................................................................................................... 206
7.9.2 Application.............................................................................................................................206
7.9.3 Setting guidelines..................................................................................................................208
7.10 Capacitor bank protection CBPGAPC..................................................................................... 211
7.10.1 Identification...........................................................................................................................211
Table of contents 1MRK 505 370-UUS Rev. K
4Busbar protection REB670
Application manual
© 2017 - 2021 Hitachi Power Grids. All rights reserved