IRSN Level 2 PSA for the French 1300 Mwe PWRs Series: Some New Features in the Updated Version
Résumé
IRSN (as TSO of the French Nuclear Safety Authority) has been developing level 2 PSAs for the French NPPs fleet for many years. This paper presents an overview of new features introduced in the level 2 PSA for the French 1300 MWe PWR series. These features are related to interface between level 1 and level 2 PSA, human reliability assessment, reactor containment fragility under severe accident loading (temperature and pressure), ex-vessel accident modelling, and metrics for the accident radiological consequences.
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