压水堆核电厂换料物理启动试验优化研究和应用实践 |
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引用本文: | 杨庆湘,王丽华,姜赫,邹森. 压水堆核电厂换料物理启动试验优化研究和应用实践[J]. 核科学与工程, 2016, 0(5): 617-623. DOI: 10.3969/j.issn.0258-0918.2016.05.007 |
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作者姓名: | 杨庆湘 王丽华 姜赫 邹森 |
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作者单位: | 1. 上海交通大学,上海200240;上海核工程研究设计院,上海200233;2. 上海核工程研究设计院,上海,200233;3. 中核核电运行管理有限公司,浙江 海盐,314300 |
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摘 要: | 核电厂设计和运行相关核安全法规、导则要求核电厂换料后必须进行物理启动试验。随着堆芯换料设计日趋成熟,试验程序和试验方法得到充分检验。为提升运行经济性,各核电厂设计和运行人员不同程度地开展了换料后物理启动试验优化的研究与实施。本文基于压水堆核电厂监管要求和核电厂运行要求分析,针对物理启动试验优化提出了定性评价、物理分析和试验验证的系统性论证方法,并以秦山核电厂320 MWe机组为例,进行了完善的研究与可行性论证。实施物理启动试验优化后,核电厂换料大修时间大幅缩短,相比以往可提前约2天进入满功率运行,显著提高了核电厂运行负荷因子,提升了运行经济性。
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关 键 词: | 物理启动试验 负荷因子 经济性 |
Refuel Startup Physical test Optimization Research and Application Practice in PWR |
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Abstract: | Nuclear safety regulations and guides relative to nuclear power plant design and operation require that plants shall complete startup physical tests after refuel. Along with the maturation of refuel design, test program and method have been efficiently proven. In order to advance plant operation economy, core designers and utilities conducted research and application of refuel startup physical test optimization. Base on the analysis of regulatory and plant operation requirements with refuel startup physical tests in PWR, this paper provides a systematic demonstration method including qualitative evaluation, physics analysis and test verification, and performs integrated research on optimization evaluation and feasibility demonstration with Qinshan 320MWe Nuclear Power Plant. After application of the demonstrated optimization, plant refuel outage is reduced, and the plant entered full power operation about 2 days earlier than before. The plant capacity factor and operation economy are significantly increased. |
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Keywords: | Startup Physical Test Capacity Factor Economy |
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