Nuclear power plant overhaul safety risk management tool development method
A risk management tool and risk management technology, applied in the field of nuclear safety risk management of nuclear power plant overhaul, can solve problems such as the inability to systematically and effectively identify and measure the nuclear safety risk of power plant overhaul, and the inability to measure risks.
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[0025] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0026] Aiming at the current situation that domestic overhaul nuclear safety risk management is not systematic and effective, based on the theory of defense in depth, from the perspective of maintaining key safety functions, using safety function analysis tree, fault tree analysis and other means to establish a system that integrates power plant configuration and key safety functions A linked holistic model for assessing changes in risk due to configuration changes during power plant overhauls. Management guidelines for different nuclear safety risk levels have been prepared to instruct users to take measures to rebuild defense-in-depth or protect available equipment when systems or equipment become unavailable either planned or unplanned to ensure the safety of major repairs. Specific steps are as follows:
[0027] (1) Selection of ke...
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