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介绍田湾核电厂松动部件监测系统(LPMS)的设备结构组成和报警逻辑设置。根据田湾核电厂历年来松动部件监测系统的运行记录,对典型松动部件误报警触发的案例进行故障分析和诊断,指出报警信号的特点和松动事件的触发来源。
Introduces the equipment structure and alarm logic of the loose component monitoring system (LPMS) in Tianwan NPP. According to the operation records of the loose parts monitoring system in Tianwan NPP over the years, this paper analyzes and diagnoses the cases of false alarms triggered by typical loose parts, and points out the characteristics of alarm signals and the sources of triggering of loose events.