| CNP600堆芯调峰运行时轴向功率偏差影响因素及控制策略研究 |
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| 引用本文： | 刘国明,肖会文,别业旺,高鑫,姚红.CNP600堆芯调峰运行时轴向功率偏差影响因素及控制策略研究[J].原子能科学技术,2016,50(7):1256-1263. |
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| 作者姓名： | 刘国明 肖会文 别业旺 高鑫 姚红 |
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| 作者单位： | 1.中国核电工程有限公司 反应堆工艺研究所，北京100840；2.环境保护部 核与辐射安全中心，北京100082 |
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| 摘 要： | 随着我国能源的发展，核电将面临着越来越多的调峰运行压力，如采用CNP600堆型的海南昌江核电站，轴向功率偏差ΔI是调峰运行中堆芯功率控制的难点之一。针对CNP600堆芯，分析了慢化剂温度、控制棒棒位、可溶硼浓度等参数对ΔI的影响规律。以此为基础，采用程序模拟了CNP600 3种可能的调峰运行方案，提出了ΔI的控制策略，给出了功率变化过程中ΔI的具体控制方案。研究结果可为CNP600堆芯调峰运行时的堆芯ΔI的控制提供技术支持。
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| 关 键 词： | CNP600 调峰运行 轴向功率偏差 |
Study on Influence Factor and Control Strategy of Axial Power Difference in Peak Load Operation of CNP600 Core |
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| LIU Guo-ming,XIAO Hui-wen,BIE Ye-wang,GAO Xin,YAO Hong.Study on Influence Factor and Control Strategy of Axial Power Difference in Peak Load Operation of CNP600 Core[J].Atomic Energy Science and Technology,2016,50(7):1256-1263. |
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| Authors: | LIU Guo-ming XIAO Hui-wen BIE Ye-wang GAO Xin YAO Hong |
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| Affiliation: | 1.Reactor Engineering Department, China Nuclear Power Engineering Co., Ltd., Beijing 100840, China;2.Nuclear and Radiation Safety Center, Ministry of Environmental Protection, Beijing 100082, China |
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| Abstract: | With the development of Chinese energy,nuclear power will face more pres-sure of peak load operation,such as the Hainan Changjiang Nuclear Power Plant which uses the CNP600 technology.The control of axial power difference ΔI is one of the most difficult technical problems in peak load operation.The influences of moderator temper-ature,rod position of control rod,and concentration of soluble boron on ΔI were analyzed.Based on the influence law,3 possible schemes of peak load operation were simulated.The ΔI control strategies were put forward,and the detail control scheme with the variety of power was supplied.The results can provide technical support for ΔI control in peak load operation of CNP600. |
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| Keywords: | CNP600 peak load operation axial power difference |
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