| 压水堆核电厂余热排出系统的可靠性建模与分析 |
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| 引用本文： | 张栋良,尤文昊,潘晓磊,周佳磊.压水堆核电厂余热排出系统的可靠性建模与分析[J].原子核物理评论,2022,39(2):266-271. |
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| 作者姓名： | 张栋良 尤文昊 潘晓磊 周佳磊 |
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| 作者单位： | 1.上海电力大学自动化工程学院, 上海 200090 |
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| 基金项目： | 国家自然科学基金青年科学基金项目(51906133)；上海市自然科学基金项目(19ZR1420700) |
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| 摘 要： | 为提高压水堆余热排出系统(RHRS)可靠性，对RHRS的定期检修与维护提供指导与参考，本研究采用故障树对RHRS进行可靠性建模，对系统部件进行重要度指标评价。基于重要度指标评价结果提出了含公用备件的冷备系统的改进方案，引入动态故障树冷备门描述其失效模式，利用Markov模型进行定量分析。研究结果表明，优化后的RHRS可靠度有明显提升。
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| 关 键 词： | 余热排出系统 可靠性评价 动态故障树 公用备件 Markov模型 |
| 收稿时间： | 2021-11-09 |
Reliability Modeling and Analysis of Residual Heat Removal System in Pressurized Water Reactor Nuclear Power Plant |
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| Dongliang ZHANG,Wenhao YOU,Xiaolei PAN,Jialei ZHOU.Reliability Modeling and Analysis of Residual Heat Removal System in Pressurized Water Reactor Nuclear Power Plant[J].Nuclear Physics Review,2022,39(2):266-271. |
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| Authors: | Dongliang ZHANG Wenhao YOU Xiaolei PAN Jialei ZHOU |
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| Institution: | 1.College of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China2.Shanghai Key Laboratory of Power Station Automation Technology, Shanghai 200090, China |
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| Abstract: | In order to improve the reliability of Residual Heat Removal System(RHRS) in Pressurized Water Reactor nuclear power plant and provide guide and reference for regular overhaul and maintenance of RHRS, the reliability modeling of RHRS was conducted by using fault tree, and the importance index of system components was evaluated. Based on the evaluation results of importance index, an improved scheme of cold standby system with common spare parts is proposed. Dynamic fault tree modeling is adopted and Markov model is used for quantitative analysis. The results show that the reliability of the optimized RHRS is significantly improved. |
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