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Erschienen in:
2023 | OriginalPaper | Buchkapitel
Research on Defence-in-Depth of Nuclear Power Plant DCS Based on Swiss Cheese Model
verfasst von : Yingjie Lin, Xudong Liu, Yanxiong Yang, Hongtao Sun, Dandan Zhang
Erschienen in: New Energy Power Generation Automation and Intelligent Technology
Verlag: Springer Nature Singapore
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Abstract
After the Fukushima nuclear accident, the design concept of Defence-in-Depth of the nuclear power plant has further developed, and the safety requirements for level setting of Defence-in-Depth and for independence of inter-level have further improved. In order to ensure current Defence-in-Depth analysis always meets the latest international nuclear safety requirements, this paper analyzes the Defence-in-Depth level of DCS of nuclear power plant based on Swiss Cheese Model, and make a comparison with the Defence-in-Depth analysis schemes before and after a domestic project improvement, and proposes a Defence-in-Depth level-setting method on the premise of meeting the regulatory standards, which provides a valuable reference for the continuous improvement of the digital I&C system design of third generation of nuclear power reactor.