13
PSERC
Data from DFRs, DPRs, and CBMs
Digital
Fault Recorder
“A” and “B” contacts
Phase
currents
Relay trip
signal
Recloser timing signal
Breaker failure initiate
Comm. scheme signals
Digital
Protective Relay
“A” and “B” contacts
Phase
currents
Relay trip
signal
Recloser timing signal
Breaker failure initiate
Comm. scheme signals
Circ.
Breaker Monitor
“A” and “B” contacts
Phase
currents
Trip and close initiate
Trip and close currents
“X” and “Y” coils
DC supply