CHAPTER 7: MAINTENANCE
M4 BREAKER MONITOR
345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
7–9
M4 Breaker monitor
The status of the breaker trip coils, as well as the trip circuits, can be monitored under
MAINTENANCE > M4 BKR MONITOR
. In the case where a breaker coil or circuit fails, the
relay will display the message "Unhealthy" for the corresponding coil.
PATH
:
MAINTENANCE > M4 BKR MONITOR
W1 BKR TRIP COIL
Healthy
Range: Healthy, Unhealthy
W2 BKR TRIP COIL
Healthy
Range: Healthy, Unhealthy