先进逻辑系统平台的保护与监测系统的D3分析

摘要

2013年美国核管会通过了对西屋公司开发的新一代基于现场可编程门阵列技术的1E级先进逻辑系统平台的认证。针对基于该平台所设计的保护与监测系统，依据NUREG/CR 6303的相关要求，进行了多样性和纵深防御要求分析，并按NUREG/CR 7007的方法计算了保护与监测系统的多样性量化值。分析结果表明，新设计的保护与监测系统方案基本满足美国核管会对系统多样性的定量要求，并得出可以不单独设置多样性驱动系统的初步结论。%In 2013,the new generation Class 1E ALS platform based on FPGA technology developed by Westinghouse Electric Company had been approved by US NRC. Aiming at the protection and monitoring system ( PMS) designed based on this platform,in accordance with the requirements of NUREG/CR 6303,the analysis of diversity and defense-in-depth is conducted;and the quantitative value of diversity for PMS is calculated by using the method of NUREG/CR 7007. The results of analysis indicate that the newly designed PMS basically meets the diversity requirements of US NRC,and the preliminary conclusion of eliminating diversity actuation system is obtained.