摘要
CPR1000机组从年度换料过渡到18个月换料后,用于调节反应堆冷却剂平均温度的控制棒会出现频繁动作(频率动作大约在1000次/日)。通过研究和分析核反应堆温度调节控制棒的工作原理,调查发现引起温度调节控制棒频繁动作的主要原因是反应堆冷却剂热段温度波动增加所导致。结合分析的原因,通过优化控制棒系统平均温度大选信号后的滤波及超前滞后参数,来减少温度调节控制棒频繁动作。
After the CPR1000 unit transits from annual refueling to 18 month refueling,the control rods used to regulate the average reactor coolant temperature will frequently act(frequency action is about 1000 times/day).Through the research and analysis of the working principle of the temperature control rod in nuclear reactor,it is found that the main reason for the frequent action of the temperature control rod is the increase of the temperature fluctuation in the hot section of the reactor coolant.Combined with the analysis of the reasons,by optimizing the filtering and leading lag parameters after the average temperature election signal of the control rod system,the frequent action of the temperature regulating control rod can be reduced.
出处
《科技创新导报》
2020年第14期77-80,共4页
Science and Technology Innovation Herald
