Table Of Contents - ABB REJ 523 Technical Reference Manual

Overcurrent relay
Table of Contents

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REJ 523
2
Technical Reference Manual
Contents
1 Introduction .................................................................................................4
1.1
About this manual ..............................................................................4
1.2
The use of the relay ...........................................................................4
1.3
Features.............................................................................................4
1.4
Guarantee..........................................................................................5
2 Safety information .......................................................................................6
3 Instructions .................................................................................................7
3.1
Application .........................................................................................7
3.2
Requirements ....................................................................................7
3.3
Configuration .....................................................................................8
4 Technical description ..................................................................................9
4.1
Functional description ........................................................................9
4.1.1
Product functions ......................................................................9
4.1.1.1
Schema of product functions ...........................................9
4.1.1.2
Overcurrent....................................................................10
4.1.1.3
Inputs.............................................................................10
4.1.1.4
Outputs ..........................................................................10
4.1.1.5
Circuit-breaker failure protection ....................................10
4.1.1.6
Disturbance recorder .....................................................10
4.1.1.7
MMI module...................................................................11
4.1.1.8
Self-supervision .............................................................11
4.1.2
Configuration ..........................................................................12
4.1.3
Protection ...............................................................................13
4.1.3.1
Overcurrent unit .............................................................13
4.1.3.2
Time/current characteristics...........................................14
4.1.3.3
Settings..........................................................................23
4.1.3.4
Technical data of protection functions............................30
4.1.4
Monitoring ...............................................................................31
4.1.5
Self-supervision (IRF) .............................................................31
4.1.6
I/O test ....................................................................................32
4.1.7
Disturbance recorder ..............................................................32
4.1.7.1
Function.........................................................................32
ABB Substation Automation
Products and Systems
MRS750940-MUM

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