Host: The Japan Society of Mechanical Engineers
Name : The 30th International Conference on Nuclear Engineering (ICONE30)
Date : May 21, 2023 - May 26, 2023
The probabilistic safety analysis of nuclear power plant shows that the emergency diesel generator has a significant contribution to the safety of the plant, especially the common cause failure. In order to reflect the design characteristics and operation experiences of domestic nuclear power units, the paper takes the emergency diesel generator of domestic VVER nuclear power units as a research object, uses the event impact vector analysis method to develop the specific data analysis of common cause failure. The paper provides a method to estimate common cause failure model parameters based on the generic data, design characteristics and operation experiences of target plant. On this basis, the sensitivity analysis of the applicability factors involved in the method is carried out.