Application of PAA in EPR Nuclear Power Units

Chen Wen,Wang Zhiwu,Qing Chen,Chen Shijun,Chen Jiefei,Chen Yu,Jiang Hong,Zhang Tao

Table 1 Forced unavailability parameters

Category Index description Index value Parameters of unplanned scram Unplanned automated scram frequency < 1 time/7000 critical hours Duration of forced outage ≤ 5 days/year (1.4%) Overhaul deferral due to major equipment maintenance or replacement ≤ 150 days/20years