华龙一号疲劳监测和瞬态统计系统研制

Development of Fatigue Monitoring and Transient Counting System in HPR1000

华龙一号是我国自主研发的第三代核电技术,疲劳监测和瞬态统计系统是华龙一号中重要的监测系统,对提高核电厂安全性和经济性均有积极的作用。中国核动力研究设计院研制了具有自主知识产权的疲劳监测和瞬态统计系统。该系统由25个测温组件、1台信号处理机柜和1台计算工作站组成,包含导热反问题、格林函数应力计算、冷却剂环境疲劳计算、瞬态统计等多个模块,具备一回路系统疲劳状态监测和运行瞬态自动识别统计的功能。该系统通过原理样机与工程样机的研制,相关关键技术通过验证得到固化,技术成熟,具备工程应用条件。

HPR1000 is one of the 3rd generation nuclear power plants in China.The fatigue monitoring and transient counting system is an important monitoring system in HPR1000,which plays a positive role in the safe and economical operation of HPR1000.Nuclear Power Institute of China has developed a fatigue monitoring and transient counting system with independent intellectual property rights.The system consists of 25 temperature measuring components,a signal processing cabinet and a computing workstation.The models for thermal inverse problem,green function stress calculation,coolant environmental fatigue calculation,and transient counting have been developed,which allow the functions of monitoring the fatigue state of the primary system and automatically identifying and counting the running transient.Through the development of principle prototype and engineering prototype,the related key technologies have been solidified through verification,and the technology is mature and has engineering application conditions.