ABB REG650 ANSI User manual

Relion® 650 series
Generator protection REG650
Technical Manual

Document ID: 1MRK 502 034-UEN
Issued: February 2011
Revision: -
Product version: 1.1
© Copyright 2011 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 or 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.
Trademarks
ABB and Relion are registered trademarks of 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
Substation Automation Products
SE-721 59 Västerås
Sweden
Telephone: [phone]
Facsimile: [phone]
http://www.abb.com/substationautomation

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 standards EN 50263 and 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 IED is designed in accordance with the international
standards of the IEC 60255 series.

Table of contents
Section 1 Introduction.....................................................................27
This manual......................................................................................27
Intended audience............................................................................27
Product documentation.....................................................................28
Product documentation set..........................................................28
Document revision history...........................................................29
Related documents......................................................................29
Symbols and conventions.................................................................30
Safety indication symbols............................................................30
Manual conventions.....................................................................31
Section 2 Available functions.........................................................33
Main protection functions..................................................................33
Back-up protection functions............................................................33
Control and monitoring functions......................................................34
Designed to communicate................................................................36
Basic IED functions..........................................................................37
Section 3 Analog inputs..................................................................39
Introduction.......................................................................................39
Operation principle...........................................................................39
Setting parameters...........................................................................40
Section 4 Local Human-Machine-Interface LHMI...........................43
Local HMI screen behaviour.............................................................43
Identification................................................................................43
Settings........................................................................................43
Local HMI signals.............................................................................43
Identification................................................................................43
Function block.............................................................................44
Signals.........................................................................................44
Basic part for LED indication module...............................................44
Identification................................................................................44
Function block.............................................................................45
Signals.........................................................................................45
Settings........................................................................................46
LCD part for HMI function keys control module................................46
Identification................................................................................46
Function block.............................................................................46
Signals.........................................................................................47
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Settings........................................................................................47
Operation principle...........................................................................48
Local HMI....................................................................................48
Display....................................................................................48
LEDs.......................................................................................51
Keypad...................................................................................51
LED..............................................................................................54
Functionality...........................................................................54
Status LEDs...........................................................................54
Indication LEDs......................................................................54
Function keys..............................................................................62
Functionality...........................................................................62
Operation principle.................................................................62
Section 5 Differential protection.....................................................65
Transformer differential protection....................................................65
Functionality ...............................................................................65
Transformer differential protection T3WPDIF .............................66
Identification...........................................................................66
Function block........................................................................66
Signals....................................................................................66
Settings..................................................................................67
Monitored data.......................................................................69
Operation principle......................................................................69
Function calculation principles...............................................70
Fundamental frequency differential currents..........................71
Differential current alarm........................................................76
Bias current............................................................................76
Elimination of zero sequence currents...................................77
Restrained, and unrestrained limits of the differential
protection................................................................................78
Fundamental frequency negative sequence differential
currents..................................................................................80
Internal/external fault discriminator........................................82
Unrestrained, and sensitive negative sequence
protections..............................................................................86
Instantaneous differential currents.........................................88
Harmonic and waveform block criteria...................................88
Switch onto fault feature.........................................................89
Logic diagram.........................................................................90
Technical data.............................................................................95
1Ph High impedance differential protection HZPDIF .......................95
Identification................................................................................95
Introduction..................................................................................96
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Function block.............................................................................96
Signals.........................................................................................96
Settings........................................................................................97
Monitored data.............................................................................97
Operation principle......................................................................97
Logic diagram.........................................................................97
Technical data.............................................................................98
Generator differential protection GENPDIF .....................................98
Identification................................................................................98
Functionality................................................................................99
Function block...........................................................................100
Signals.......................................................................................100
Settings......................................................................................101
Operation principle....................................................................102
Function calculation principles.............................................103
Fundamental frequency differential currents........................103
Supplementary criteria.........................................................108
Harmonic restrain.................................................................111
Cross-block logic scheme....................................................111
Simplified block diagrams.....................................................111
Technical data...........................................................................114
Section 6 Impedance protection...................................................117
Underimpedance protection for generators and transformers
ZGPDIS..........................................................................................117
Identification..............................................................................117
Functionality..............................................................................117
Function block...........................................................................118
Signals.......................................................................................118
Settings......................................................................................119
Operation principle....................................................................119
Full scheme measurement...................................................119
Impedance characteristic.....................................................120
Basic operation characteristics.............................................120
Theory of operation..............................................................121
Technical data...........................................................................123
Loss of excitation LEXPDIS............................................................123
Identification..............................................................................123
Functionality..............................................................................123
Function block...........................................................................124
Signals.......................................................................................124
Settings......................................................................................125
Operation principle....................................................................125
Technical data...........................................................................129
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Out-of-step protection OOSPPAM..................................................129
Identification..............................................................................129
Functionality..............................................................................129
Function block...........................................................................130
Signals.......................................................................................130
Settings......................................................................................131
Operation principle....................................................................132
Lens characteristic...............................................................134
Detecting an out-of-step condition........................................136
Maximum slip frequency.......................................................137
Taking care of the circuit breaker safety..............................138
Design..................................................................................140
Technical data...........................................................................141
Load encroachment LEPDIS .........................................................141
Identification..............................................................................141
Functionality..............................................................................141
Function block...........................................................................142
Signals.......................................................................................142
Settings......................................................................................142
Operation principle....................................................................142
Load encroachment..............................................................143
Simplified logic diagrams......................................................144
Technical data...........................................................................144
Section 7 Current protection.........................................................145
Four step phase overcurrent protection OC4PTOC ......................145
Identification .............................................................................145
Functionality..............................................................................145
Function block...........................................................................145
Signals.......................................................................................146
Settings......................................................................................147
Monitored data...........................................................................148
Operation principle....................................................................149
Technical data...........................................................................152
Four step residual overcurrent protection EF4PTOC ....................152
Identification .............................................................................152
Functionality..............................................................................152
Function block...........................................................................153
Signals.......................................................................................153
Settings......................................................................................154
Monitored data...........................................................................157
Operation principle....................................................................157
Operating quantity within the function..................................157
Internal polarizing.................................................................158
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