ABB RELION 650 SERIES Instructions for use

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RELION® 650 SERIES
Transformer protection RET650
Version 2.1
Application manual

Document ID: 1MRK 504 158-UEN
Issued: March 2019
Revision: A
Product version: 2.1
© Copyright 2016 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.

Table of contents
Section 1 Introduction.......................................................................................................11
1.1 This manual........................................................................................................................................11
1.2 Intended audience............................................................................................................................ 11
1.3 Product documentation..................................................................................................................12
1.3.1 Product documentation set.......................................................................................................12
1.3.2 Document revision history.........................................................................................................13
1.3.3 Related documents......................................................................................................................13
1.4 Document symbols and conventions...........................................................................................14
1.4.1 Symbols......................................................................................................................................... 14
1.4.2 Document conventions...............................................................................................................15
1.5 IEC 61850 edition 1 / edition 2 mapping..................................................................................... 15
Section 2 Application.........................................................................................................19
2.1 General IED application...................................................................................................................19
2.2 Main protection functions............................................................................................................. 20
2.3 Back-up protection functions....................................................................................................... 20
2.4 Control and monitoring functions................................................................................................ 21
2.5 Communication................................................................................................................................ 23
2.6 Basic IED functions..........................................................................................................................24
Section 3 Configuration.................................................................................................... 27
3.1 Description of configuration RET650.......................................................................................... 27
3.1.1 Introduction.................................................................................................................................. 27
3.1.1.1 Description of A05....................................................................................................................27
Section 4 Analog inputs.................................................................................................... 29
4.1 Introduction...................................................................................................................................... 29
4.2 Setting guidelines............................................................................................................................29
4.2.1 Setting of the phase reference channel..................................................................................29
4.2.1.1 Example......................................................................................................................................29
4.2.2 Setting of current channels.......................................................................................................30
4.2.2.1 Example 1................................................................................................................................... 30
4.2.2.2 Example 2................................................................................................................................... 31
4.2.2.3 Example 3...................................................................................................................................32
4.2.2.4 Examples on how to connect, configure and set CT inputs for most commonly
used CT connections............................................................................................................... 34
4.2.2.5 Example on how to connect a star connected three-phase CT set to the IED............ 35
4.2.2.6 Example how to connect delta connected three-phase CT set to the IED...................39
4.2.2.7 Example how to connect single-phase CT to the IED....................................................... 41
4.2.3 Relationships between setting parameter Base Current, CT rated primary
current and minimum pickup of a protection IED................................................................ 42
4.2.4 Setting of voltage channels.......................................................................................................43
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4.2.4.1 Example......................................................................................................................................43
4.2.4.2 Examples how to connect, configure and set VT inputs for most commonly
used VT connections............................................................................................................... 43
4.2.4.3 Examples on how to connect a three phase-to-earth connected VT to the IED......... 44
4.2.4.4 Example on how to connect a phase-to-phase connected VT to the IED.....................46
4.2.4.5 Example on how to connect an open delta VT to the IED for high impedance
earthed or unearthed netwoeks........................................................................................... 48
4.2.4.6 Example how to connect the open delta VT to the IED for low impedance
earthed or solidly earthed power systems......................................................................... 49
4.2.4.7 Example on how to connect a neutral point VT to the IED...............................................51
Section 5 Local HMI........................................................................................................... 55
5.1 Display................................................................................................................................................56
5.2 LEDs.................................................................................................................................................... 57
5.3 Keypad............................................................................................................................................... 58
5.4 Local HMI functionality...................................................................................................................60
5.4.1 Protection and alarm indication.............................................................................................. 60
5.4.2 Parameter management ........................................................................................................... 61
5.4.3 Front communication................................................................................................................. 61
Section 6 Differential protection.....................................................................................63
6.1 Transformer differential protection T3WPDIF ..........................................................................63
6.1.1 Application....................................................................................................................................63
6.1.2 Setting guidelines....................................................................................................................... 64
6.1.2.1 Restrained and unrestrained differential protection....................................................... 64
6.1.2.2 Elimination of zero sequence currents................................................................................66
6.1.2.3 Inrush restraint methods........................................................................................................67
6.1.2.4 Overexcitation restraint method.......................................................................................... 67
6.1.2.5 Cross-blocking between phases...........................................................................................67
6.1.2.6 External/Internal fault discriminator...................................................................................68
6.1.2.7 Differential current alarm.......................................................................................................69
6.1.2.8 Open CT detection...................................................................................................................69
6.1.2.9 Switch onto fault feature........................................................................................................70
6.1.3 Setting example...........................................................................................................................70
6.1.3.1 Introduction.............................................................................................................................. 70
6.1.3.2 Typical main CT connections for transformer differential protection.......................... 71
6.1.3.3 Application Examples.............................................................................................................. 72
6.1.3.4 Summary and conclusions......................................................................................................76
6.2 Low impedance restricted earth fault protection REFPDIF ................................................... 78
6.2.1 Identification................................................................................................................................ 78
6.2.2 Application....................................................................................................................................78
6.2.2.1 Transformer winding, solidly earthed..................................................................................79
6.2.2.2 Transformer winding, earthed through zig-zag earthing transformer........................ 80
6.2.2.3 Autotransformer winding, solidly earthed.......................................................................... 81
6.2.2.4 Reactor winding, solidly earthed.......................................................................................... 82
6.2.2.5 CT earthing direction.............................................................................................................. 83
6.2.3 Setting guidelines....................................................................................................................... 83
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6.2.3.1 Setting and configuration...................................................................................................... 83
6.2.3.2 Settings......................................................................................................................................84
Section 7 Current protection........................................................................................... 85
7.1 Instantaneous phase overcurrent protection PHPIOC ............................................................85
7.1.1 Identification................................................................................................................................85
7.1.2 Application....................................................................................................................................85
7.1.3 Setting guidelines....................................................................................................................... 85
7.1.3.1 Meshed network without parallel line..................................................................................86
7.1.3.2 Meshed network with parallel line........................................................................................88
7.2 Four step phase overcurrent protection OC4PTOC................................................................. 89
7.2.1 Identification................................................................................................................................89
7.2.2 Application....................................................................................................................................89
7.2.3 Setting guidelines....................................................................................................................... 90
7.2.3.1 Settings for each step............................................................................................................. 91
7.2.3.2 2nd harmonic restrain.............................................................................................................94
7.3 Instantaneous residual overcurrent protection EFPIOC .........................................................98
7.3.1 Identification................................................................................................................................99
7.3.2 Application....................................................................................................................................99
7.3.3 Setting guidelines....................................................................................................................... 99
7.4 Four step residual overcurrent protection EF4PTOC ............................................................ 101
7.4.1 Identification.............................................................................................................................. 101
7.4.2 Application.................................................................................................................................. 101
7.4.3 Setting guidelines..................................................................................................................... 103
7.4.3.1 Settings for each step (x = 1, 2, 3 and 4)............................................................................ 103
7.4.3.2 Common settings for all steps............................................................................................105
7.4.3.3 2nd harmonic restrain........................................................................................................... 106
7.4.3.4 Parallel transformer inrush current logic.......................................................................... 106
7.4.3.5 Switch onto fault logic.......................................................................................................... 107
7.4.3.6 Transformer application example...................................................................................... 108
7.5 Sensitive directional residual overcurrent and power protection SDEPSDE ..................... 111
7.5.1 Identification............................................................................................................................... 111
7.5.2 Application...................................................................................................................................111
7.5.3 Setting guidelines...................................................................................................................... 113
7.6 Thermal overload protection, two time constants TRPTTR ................................................. 119
7.6.1 Identification.............................................................................................................................. 120
7.6.2 Application..................................................................................................................................120
7.6.3 Setting guideline........................................................................................................................ 121
7.7 Breaker failure protection CCRBRF.............................................................................................122
7.7.1 Identification.............................................................................................................................. 123
7.7.2 Application.................................................................................................................................. 123
7.7.3 Setting guidelines......................................................................................................................123
7.8 Directional underpower protection GUPPDUP........................................................................ 126
7.8.1 Identification.............................................................................................................................. 126
7.8.2 Application.................................................................................................................................. 126
7.8.3 Setting guidelines...................................................................................................................... 127
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7.9 Directional overpower protection GOPPDOP .......................................................................... 131
7.9.1 Identification...............................................................................................................................131
7.9.2 Application...................................................................................................................................131
7.9.3 Setting guidelines......................................................................................................................133
7.10 Broken conductor check BRCPTOC ........................................................................................... 136
7.10.1 Identification.............................................................................................................................. 136
7.10.2 Application.................................................................................................................................. 136
7.10.3 Setting guidelines......................................................................................................................136
Section 8 Voltage protection..........................................................................................137
8.1 Loss of voltage check LOVPTUV .................................................................................................137
8.1.1 Identification.............................................................................................................................. 137
8.1.2 Application.................................................................................................................................. 137
8.1.3 Setting guidelines......................................................................................................................137
8.1.3.1 Advanced users settings.......................................................................................................137
Section 9 Multipurpose protection................................................................................139
9.1 General current and voltage protection CVGAPC....................................................................139
9.1.1 Identification.............................................................................................................................. 139
9.1.2 Application.................................................................................................................................. 139
9.1.2.1 Current and voltage selection for CVGAPC function...................................................... 140
9.1.2.2 Base quantities for CVGAPC function................................................................................ 142
9.1.2.3 Application possibilities....................................................................................................... 142
9.1.2.4 Inadvertent generator energization................................................................................... 143
9.1.3 Setting guidelines..................................................................................................................... 144
9.1.3.1 Directional negative sequence overcurrent protection................................................. 144
9.1.3.2 Negative sequence overcurrent protection......................................................................145
9.1.3.3 Generator stator overload protection in accordance with IEC or ANSI standards...147
9.1.3.4 Open phase protection for transformer, lines or generators and circuit
breaker head flashover protection for generators......................................................... 149
9.1.3.5 Voltage restrained overcurrent protection for generator and step-up
transformer............................................................................................................................. 150
9.1.3.6 Loss of excitation protection for a generator..................................................................150
Section 10 Secondary system supervision..................................................................... 153
10.1 Fuse failure supervision FUFSPVC.............................................................................................. 153
10.1.1 Identification.............................................................................................................................. 153
10.1.2 Application.................................................................................................................................. 153
10.1.3 Setting guidelines..................................................................................................................... 154
10.1.3.1 General......................................................................................................................................154
10.1.3.2 Setting of common parameters..........................................................................................154
10.1.3.3 Negative sequence based.....................................................................................................154
10.1.3.4 Zero sequence based.............................................................................................................155
10.1.3.5 Delta U and delta I ................................................................................................................. 156
10.1.3.6 Dead line detection................................................................................................................156
Section 11 Control..............................................................................................................157
11.1 Synchrocheck, energizing check, and synchronizing SESRSYN............................................ 157
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