Relay Resetting Flashcards
What responsibilities does the operator have when investigating and resetting tripped relays?
investigate tripped relay
report related indications to control room
reset tripped relay targets and/or 86 lockout with CRS permission
write CR for root cause of failure
perform independent verification
What is the minimum information required for a CR?
Date/time of relay operation
breakers and loads affected
operational activities concurrent to the relay operation
What must be done prior to physically resetting an 86 lockout relay?
reset all tripped relay targets
What are the two things that shouldn’t be done while resetting an 86 lockout relay?
forcing the handle in the latching position
holding the handle after resetting
What 86 lockout relays require an independent verification after resetting?
all class and 4160v 86 lock out relays
DO generator differential lock out relays require independent verification?
yes
What generator lock out relays are reset by AO’s?
diesel generator lockout relays
station blackout lockout relays