RADIATION PROTECTION BULLETIN ›› 2016, Vol. 36 ›› Issue (2): 23-27.

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The Methodology of Fire Scenario Frequency Analysis in Fire PSA for Nuclear Power Plants

Zhao Qingnan, Li Xiaoming, Zhao Bo, Fu Xiaohua   

  1. China Nuclear Power Engineering Co. Ltd., Beijing, 100840
  • Received:2015-08-23 Online:2016-04-20 Published:2021-11-19

Abstract: The fire scenario frequency analysis is the core content of Fire Probabilistic Safety Assessment (PSA). Based on NRC and EPRI's study on Fire PSA Methodology for Nuclear Power Facilities, the methodology for the fire scenario frequency analysis and parameter uncertainty analysis during the process of fire PSA are introduced. A quantitative calculation of fire scenario frequency is conducted, with a cabinet fire in a room in Fuqing nuclear power plant taken as an example. It shows that the results are more accurate when the parameter uncertainty propagation of heat release rate is considered.

Key words: Nuclear power plant, Fire scenario frequency, PSA

CLC Number: 

  • TL38+3