Study on the Safety Requirements of Nuclear Power Plants Design Based on Fukushima Nuclear Accident Feedback
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Abstract
After the Fukushima nuclear accident, the new-built nuclear power plants should be designed and constructed in accordance with the advanced international nuclear safety requirements. SSR-2/1(Safety of Nuclear Power Plants: Design), which was published in 2012 by the International Atomic Energy Agency, is an advanced safety standard on nuclear power plant design. Firstly the revision of SSR-2/1 is introduced. Then the changes in format and content between SSR-2/1 and its former version NS-R-1, published in 2000, are analyzed. The enhanced requirements are specially specified in six factors, such as the safety in design, maintaining the integrity of design of the plant throughout the lifetime of the plant, heat removal from the fuel store added to fundamental safety functions, design extension conditions and severe accidents, the maximum delay time when off-site services available and sharing of safety systems between multiple units? of a nuclear power plant, and these factors are evaluated based on Fukushima nuclear accident feedback.
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