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Enhancing Nuclear Safety


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Fire PSA of the French PWR 900 MWe series Part 2: Special case of the control room


Journal title : Kerntechnik
Volume : 72
Issue : 3
Pagination : 136-138
Publication date : 01/05/2007

Document type > *Article de revue

Keywords > PWR 900 MWe

Research Unit > IRSN/DPAM/SEMIC/LETR

Authors > BARRACHIN Marc, CORENWINDER François, VIAL Eric

Publication Date > 01/05/2007

Summary

The PSA approach described in part 1 is also used to assess the core damage frequency due to a fire in the control room of a 900 MWe Nuclear Power plant. The specifics of the control room include the cable failure modes due to the fire (spurious order in particular), two different kinds of fire detection systems in the control room and the use of controls and instrumentation of the remote shutdown panel to reach the safe shutdown state if the control room has to be evacuated. This paper will focus on the detailed study of critical compartments and on the results and insights of this study. The purpose of this paper is also to present the methodology used to assess the core damage frequency due to a fire in the control room of a French Nuclear Power Plant, some qualitative results and the main insights further to the discussions with the utility
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