ABB Relion User manual

Relion® 650 series
Generator protection REG650 ANSI
Technical manual

Document ID: 1MRK 502 048-UUS
Issued: October 2016
Revision: A
Product version: 1.3
© Copyright 2013 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.
ABB AB
Grid Automation Products
SE-721 59 Västerås
Sweden
Telephone: [phone]
Facsimile: [phone]
http://www.abb.com/protection-control

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.

Table of contents
Section 1 Introduction..........................................................................33
This manual............................................................................................ 33
Intended audience.................................................................................. 33
Product documentation...........................................................................34
Product documentation set................................................................34
Document revision history................................................................. 35
Related documents............................................................................35
Symbols and conventions.......................................................................36
Symbols.............................................................................................36
Document conventions...................................................................... 37
Section 2 Available functions.............................................................. 39
Main protection functions........................................................................39
Back-up protection functions.................................................................. 39
Control and monitoring functions............................................................ 40
Station communication........................................................................... 44
Basic IED functions.................................................................................45
Section 3 Analog inputs.......................................................................47
Introduction............................................................................................. 47
Operation principle..................................................................................47
Presumptions for technical data............................................................. 48
Settings...................................................................................................49
Section 4 Binary input and output modules.........................................57
Binary input.............................................................................................57
Binary input debounce filter............................................................... 57
Oscillation filter.................................................................................. 57
Settings..............................................................................................58
Setting parameters for binary input modules................................58
Setting parameters for communication module............................ 59
Section 5 Local Human-Machine-Interface LHMI................................63
Local HMI screen behaviour................................................................... 63
Identification...................................................................................... 63
Settings..............................................................................................63
Local HMI signals................................................................................... 63
Table of contents
1
Technical manual

Identification...................................................................................... 63
Function block................................................................................... 64
Signals...............................................................................................64
Basic part for LED indication module......................................................65
Identification...................................................................................... 65
Function block................................................................................... 65
Signals...............................................................................................65
Settings..............................................................................................66
LCD part for HMI function keys control module...................................... 67
Identification...................................................................................... 67
Function block................................................................................... 67
Signals...............................................................................................67
Settings..............................................................................................67
Operation principle..................................................................................68
Local HMI...........................................................................................68
Display..........................................................................................68
LEDs.............................................................................................71
Keypad......................................................................................... 71
LED....................................................................................................73
Functionality................................................................................. 73
Status LEDs..................................................................................73
Indication LEDs............................................................................ 73
Function keys.....................................................................................82
Functionality................................................................................. 82
Operation principle....................................................................... 82
Section 6 Differential protection.......................................................... 85
Transformer differential protection..........................................................85
Functionality ......................................................................................85
Transformer differential protection, three winding T3WPDIF (87T)...86
Identification................................................................................. 86
Function block.............................................................................. 87
Signals..........................................................................................87
Settings.........................................................................................88
Monitored data..............................................................................90
Operation principle............................................................................ 90
Function calculation principles......................................................91
Fundamental frequency differential currents................................ 92
Differential current alarm.............................................................. 97
Bias current.................................................................................. 98
Table of contents
2
Technical manual

Elimination of zero sequence currents......................................... 98
Restrained and unrestrained limits of the differential protection...99
Fundamental frequency negative sequence differential currents101
Internal/external fault discriminator.............................................103
Unrestrained, and sensitive negative sequence protections...... 107
Instantaneous differential currents............................................. 109
Harmonic and waveform block criteria....................................... 109
Switch onto fault feature............................................................. 110
Logic diagram............................................................................. 111
Technical data................................................................................. 117
Restricted earth-fault protection, low impedance REFPDIF (87N)....... 118
Identification.................................................................................... 118
Functionality.................................................................................... 118
Function block................................................................................. 119
Signals.............................................................................................119
Settings............................................................................................120
Monitored data.................................................................................120
Operation principle.......................................................................... 121
Fundamental principles of the restricted ground fault protection121
Operate and restrain characteristic............................................ 124
Calculation of differential current and bias current..................... 125
Detection of external ground faults.............................................126
Algorithm of the restricted ground fault protection......................127
Technical data................................................................................. 128
1Ph High impedance differential protection HZPDIF (87).....................129
Identification.................................................................................... 129
Introduction......................................................................................129
Function block................................................................................. 129
Signals.............................................................................................129
Settings............................................................................................130
Monitored data.................................................................................130
Operation principle.......................................................................... 130
Logic diagram............................................................................. 130
Technical data................................................................................. 131
Generator differential protection GENPDIF (87G)................................ 131
Identification.................................................................................... 132
Functionality.................................................................................... 132
Function block................................................................................. 133
Signals.............................................................................................133
Settings............................................................................................134
Table of contents
3
Technical manual

Operation principle.......................................................................... 135
Function calculation principles....................................................137
Fundamental frequency differential currents.............................. 137
Supplementary criteria................................................................142
Harmonic restrain....................................................................... 145
Cross-block logic scheme...........................................................145
Simplified block diagrams...........................................................146
Technical data................................................................................. 148
Section 7 Impedance protection........................................................151
Power swing detection ZMRPSB (68).................................................. 151
Identification.................................................................................... 151
Functionality.................................................................................... 151
Function block................................................................................. 151
Signals.............................................................................................152
Settings............................................................................................152
Operation principle.......................................................................... 153
Resistive reach in forward direction............................................155
Resistive reach in reverse direction............................................155
Reactive reach in forward and reverse direction........................ 156
Basic detection logic...................................................................156
Operating and inhibit conditions................................................. 158
Technical data................................................................................. 159
Underimpedance protection for generators and transformers
ZGCPDIS (21G)....................................................................................159
Identification.................................................................................... 159
Functionality.................................................................................... 159
Function block................................................................................. 160
Signals.............................................................................................161
Settings............................................................................................161
Operation principle.......................................................................... 162
Full scheme measurement......................................................... 162
Impedance characteristic............................................................162
Basic operation characteristics...................................................163
Theory of operation.................................................................... 165
Technical data................................................................................. 166
Loss of excitation LEXPDIS (40).......................................................... 167
Identification.................................................................................... 167
Functionality.................................................................................... 167
Function block................................................................................. 167
Table of contents
4
Technical manual