Risk-guided analysis method for optimization of technical specifications of nuclear power plants

Abstract

The invention provides a risk-guiding analysis method for optimizing technical specifications of a nuclear power plant, comprising the following steps: S1, determining an optimization objective: determining an optimization objective according to the actual situation of the nuclear power plant; S2, engineering analysis, specifically including step qualitative safety analysis and quantitative safetyanalysis; S21, qualitative safety analysis: evaluate and analyze the compliance of the regulation requirements, the compliance of the defense in depth and the compliance of the safety margin for theoptimization objective formulated in S1 step; S22, quantitative safety analysis is probabilistic safety assessment: evaluating the influence of optimization on the safety of nuclear power plant and the influence of optimization on the PSA model of the power plant, obtaining quantitative evaluation results, and comprehensively judging whether the optimization of the technical specifications of thenuclear power plant is acceptable or not; S3, risk-guiding decision-making principle judgment; S4, formulating a performance monitoring strategy; The invention establishes a set of risk evaluation system and a performance tracking strategy to ensure that the risk-guided decision principle is met optimally.

Description

technical field [0001] The invention belongs to the technical field of nuclear power plant technical specification optimization, and in particular relates to a risk-guided analysis method for nuclear power plant technical specification optimization. Background technique [0002] The technical specification is one of the most important operational basis documents of a nuclear power plant, which stipulates the most basic requirements for nuclear power units to ensure nuclear safety during operation. Traditional technical specifications are based on deterministic methods and engineering judgments. Decades of nuclear power plant operating experience have shown that this method is effective in ensuring nuclear safety. However, with the development of technology, the accumulation of operating experience and the needs of market competition, some problems have been exposed in the traditional technical specifications. The management is too conservative, which restricts the operationa...

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the technical problems that the technical specifications of the prior art are too conservative in management, restrict the operational flexibility of nuclear power plants, and limit the market competitiveness of nuclear power, and solve the problem that the optimization method of the technical specifications is relatively limited and cannot be comprehensively evaluated. Technical Problems of the Overall Risk of the Power Plant

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