| AP1000多根蒸汽发生器传热管破裂分析 |
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| 引用本文： | 叶杰,蔡伟,陈文虎.AP1000多根蒸汽发生器传热管破裂分析[J].原子能科学技术,2015,49(6):1057-1061. |
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| 作者姓名： | 叶杰 蔡伟 陈文虎 |
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| 作者单位： | 深圳中广核工程设计有限公司 上海分公司，上海200241 |
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| 摘 要： | 利用RELAP5/MOD3程序对AP1000多根蒸汽发生器传热管破裂事故进行了分析。基于最佳估算方法,分析了1~5根蒸汽发生器传热管破裂的工况。分析结果表明:在大气释放阀可用的情况下,主蒸汽安全阀(MSSV)始终保持关闭状态,从而不会旁通安全壳。每个工况的堆芯补水箱水位均未出现下降,不会产生自动卸压信号。即使假设MSSV卡开,堆芯也从未出现裸露,仍保持可冷却状态。
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| 关 键 词： | AP1000 RELAP5/MOD3 多根蒸汽发生器传热管破裂 蒸汽发生器 |
Analysis of Multiple Steam Generator Tube Rupture for AP1000 |
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| YE Jie,CAI Wei,CHEN Wen-hu.Analysis of Multiple Steam Generator Tube Rupture for AP1000[J].Atomic Energy Science and Technology,2015,49(6):1057-1061. |
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| Authors: | YE Jie CAI Wei CHEN Wen-hu |
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| Affiliation: | Shanghai Branch, China Nuclear Power Design Co., Ltd.(Shenzhen), Shanghai 200241, China |
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| Abstract: | The multiple steam generator tube rupture accident in AP1000 was analyzed using RELAP5/MOD3 code. Based on best-estimated method, 1.5 steam generator tube rupture cases were analyzed. The results show that the main steam safety valve (MSSV) remains closed with power-operated relief valves available and the containment bypass will not occur. In each case, there is no core makeup tank level reduction and no automatic depressurization signal generated. Even if MSSV is postulated to stick open, the core is never uncovered and remains cooled. |
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| Keywords: | AP1000 RELAP5/MOD3 multiple steam generator tube rupture steam generator |
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