The Implementation of Diverse Actuation System in ACPR1000 Nuclear Power Plants

Table 4

Insight of PRA.

		Without DAS functions	With DAS functions	Decrease %
CDF	Internal events	3.05E − 06	2.81E − 06	7.9
	Internal fire	3.01E − 06	2.74E − 06	9.0
	Hazards	2.72E − 08	2.57E − 08	5.5
LRF	Internal events	4.87E − 07	4.27E − 07	12.3
	Internal fire	2.07E − 07	1.89E − 07	8.7
	Hazards	4.19E − 09	3.96E − 09	5.5