INES-event
INES 0

REACTOR TRIP DUE TO FAST CLOSURE OF MAIN FEED ISOLATION VALVES (MFIV)

During full power operation, loss of control power due to fuse burn-out in the control card caused to close one of MFIVs. Consequently, steam generator level "low-low" signal was on and steam generator level ""low-low" signal caused reactor trip.
Justification: As full safety functions were available, the event is rated at level 0 as per users manual, Part III, Table II, A1.

Location: KORI-3
Event date: Mon, 18-10-1993
Nuclear event report
Legenda & explanation