Appendix B - Settings and Signals
ORDINAL SIGNAL NAME ELEMENT NAME
DESCRIPTION
DDB_POLE_DISCREPENCE_TRIP
Pole Discrepancy (signal raised when a pole discrepancy state is detected on CB)
Residual overvoltage stage 1 trip
Residual overvoltage stage 2 trip
Trigger for Fault Recorder
Current differential start
Current differential A phase start
Current differential B phase start
Current differential C phase start
1st stage overcurrent start 3 phase
1st stage overcurrent start phase A
1st stage overcurrent start phase B
1st stage overcurrent start phase C
2nd stage overcurrent start 3 phase
2nd stage overcurrent start phase A
2nd stage overcurrent start phase B
2nd stage overcurrent start phase C
3rd stage overcurrent start 3 phase
3rd stage overcurrent start phase A
3rd stage overcurrent start phase B
3rd stage overcurrent start phase C
4th stage overcurrent start 3 phase
4th stage overcurrent start phase A
4th stage overcurrent start phase B
4th Stage overcurrent start phase C
1st stage stand by earth fault (SBEF) overcurrent start
2nd stage stand by earth fault (SBEF) overcurrent start
3rd stage stand by earth fault (SBEF) overcurrent start
4th stage stand by earth fault (SBEF) overcurrent start