ABB RELION REB500 Operation Manual page 8

Table of contents
5.1 Configuration.............................................................................................................................. 39
5.2 Tripping logic..............................................................................................................................40
Section 6 Additional protection options....................................................................41
6.1 Breaker failure protection.........................................................................................................41
6.1.1 Mode of operation....................................................................................................................41
6.1.2 Configuration............................................................................................................................42
6.2 BFP neutral measurement system (BFP L0)......................................................................... 44
6.2.1 Mode of operation................................................................................................................... 44
6.2.2 Configuration or current setting of BFP L0 system..........................................................45
6.2.2.1
6.3 Overcurrent definite time protection.................................................................................... 48
6.3.1 Mode of operation................................................................................................................... 48
6.3.2 Configuration of overcurrent protection............................................................................48
6.4 End fault protection.................................................................................................................. 49
6.4.1 Mode of operation................................................................................................................... 49
6.4.2 Configuration............................................................................................................................ 51
6.5 Breaker pole discrepancy protection..................................................................................... 52
6.5.1 Mode of operation................................................................................................................... 52
6.5.2 Configuration............................................................................................................................54
Section 7 Additional functions.................................................................................... 55
7.1 Voltage release........................................................................................................................... 55
7.1.1 Combined over- and undervoltage release.........................................................................56
7.1.2 VT assignment.......................................................................................................................... 57
7.1.2.1
7.1.2.2
7.2 Enabling tripping commands.................................................................................................. 58
7.2.1 Overcurrent release of the trip command.......................................................................... 58
7.2.2 Release logic or matrix............................................................................................................59
7.2.2.1
7.2.2.2
7.2.3 Release by 31805_External release BB zone....................................................................... 60
7.2.4 Release by the internal voltage function............................................................................. 61
7.3 Trip redirection........................................................................................................................... 61
2
Details................................................................................................................................... 47
Assignment to a feeder or a bus-tie breaker................................................................ 57
Assignment to a protection zone....................................................................................58
Enabling bay unit functions (column 5)......................................................................... 59
Enabling protection zone functions (columns 1 to 4)................................................. 59
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