【摘要】：核電廠地震裕度評價(SMA)的關(guān)鍵之一是分析結(jié)構(gòu)和部件的高置信度、低失效概率(HCLPF)值。本文先對概率易損性法、保守的確定性失效裕度法(CDFM)、試驗法以及非線性瞬態(tài)分析法等幾種HCLPF值計算方法進(jìn)行介紹,然后以穩(wěn)壓器支撐模型為研究對象,通過非線性瞬態(tài)分析法和CDFM分析計算HCLPF值。結(jié)果表明2種結(jié)果有所差別,CDFM法較為保守,非線性瞬態(tài)分析方法更加準(zhǔn)確,建議對穩(wěn)壓器等含非線性的結(jié)構(gòu)與部件,應(yīng)通過非線性瞬態(tài)分析法分析HCLPF值。
[Abstract]:One of the key points in evaluating the seismic margin of nuclear power plants is to analyze the high confidence and low failure probability (HCLPF) of structures and components. This paper introduces several HCLPF calculation methods, such as probabilistic vulnerability method, conservative deterministic failure margin method (CDFM),) test method and nonlinear transient analysis method, and then takes the voltage stabilizer support model as the research object. The HCLPF value is calculated by nonlinear transient analysis and CDFM analysis. The results show that the two methods are more conservative and the nonlinear transient analysis method is more accurate. It is suggested that the nonlinear transient analysis method should be used to analyze the HCLPF values for the structures and components with nonlinear characteristics such as voltage regulators.
【作者單位】： 中國核動力研究設(shè)計院核反應(yīng)堆系統(tǒng)設(shè)計技術(shù)重點實驗室;
【分類號】：TM623;TM44

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本文編號：2199657