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对CPR1000核电站一回路自然循环对堆芯冷却监测系统CCMS(Core Cooling and Monitoring System)压力容器液位L VSL测量引入的误差进行了量化计算,结合状态导向法事故运行程序SOP(State Oriented Procedure),分析了自然循环所引起的压力容器液位测量误差对SOP的影响。分析结果表明,由于SOP采用多重参数对机组状态进行诊断,该误差不会阻碍事故处理关键安全操作的执行。
Based on the natural circulation of the primary circuit of CPR1000 nuclear power plant, the errors introduced by the measurement of liquid level L VSL in the core cooling and monitoring system (CCMS) were quantitatively calculated. Combined with the State Oriented Procedure (SOP) The influence of natural circulation measurement error on SOP was analyzed. The results of the analysis show that as the SOP uses multiple parameters to diagnose the status of the unit, the error will not hinder the implementation of critical safety operations in incident handling.