Dynamic reliability analysis framework for passive safety systems of Nuclear Power Plant

Abstract

Passive Systems are being incorporated in Nuclear Power Plants to meet high safety requirements. The main motivation factor for introducing such systems is the lessons learned from past nuclear reactor accidents such as TMI, Chernobyl, and Fukushima. Such systems must be designed to ensure dependability, especially reliability and safety. We propose a noble method for dynamic reliability analysis of the Passive Decay Heat Removal System of NPP, which is a First of a Kind System. The methodology includes mathematical modeling of the system using the stochastic modeling technique and solving the model mathematically. The proposed method has been successfully applied to different safety systems of the Nuclear Power Plant. © 2019 Elsevier Ltd