Analysis and Improvement of Interlocking Failure of Fire Protection System and Auxiliary Building Ventilation System
During the interlocking test of the fire protection system and ventilation system at a certain nuclear power plant,there was a phenomenon of test failure due to wire breakage.The unit entered the technical specification limit,lost automatic response to fire alarms,and could not guarantee the availability of important equipment.This article sorts out the logic between two systems and provides a detailed analysis of the reasons for the failure of the interlocking function.Improvement measures are proposed to enhance the reliability of the equipment.
fire protection systemventilation systeminterlockwire
NETL
NSTL
万方数据
