强激光与粒子束, 2017, 29 (3): 036014, 网络出版: 2017-03-29  

灰控制棒价值对机械补偿运行控制的优化

Optimization research on gray control rod worth for control capability of mechanical shim operation strategy
作者单位
上海核工程研究设计院, 上海 200233
摘要
快速、精确和高度自动化的大幅功率调节能力是先进核电厂控制策略研究的主要目的之一。在目前压水堆核电厂设计中,主要采用控制棒控制方式的机械补偿运行控制策略,可以较好地满足上述要求。在该控制策略下,控制棒价值对其运行控制能力具有重要影响。针对灰控制棒组价值增大对于运行控制能力的提升进行了研究,结果表明: 适度地增大控制棒价值,并对控制棒轴向价值分布进行优化,能够显著提高核电厂负荷跟踪运行能力。相关分析结果对控制棒组件的设计改进和压水堆核电厂先进控制策略的研究具有重要的借鉴意义。
Abstract
The fast, accurate and highly automatic power regulation ability in a large range is a main research objective of advanced nuclear power plant control strategy. In the current PWR plant, the mechanical shim control and operation strategy is a good method that could meet all above requirements. In mechanical shim, control rods are mainly used to control core operation. Thus the rod worth has a great influence on operation ability. This paper has studied the influence of increased gray control rod worth on operation ability. The results show that increased gray control rod worth and improvement of rod worth axial distribution could enhance load follow operation ability obviously. The analysis results of this paper have a great reference meaning to the design improvement of rod cluster control assembly and the research on advanced PWR nuclear power plant control strategy.

党哈雷, 叶青, 杨波. 灰控制棒价值对机械补偿运行控制的优化[J]. 强激光与粒子束, 2017, 29(3): 036014. Dang Halei, Ye Qing, Yang Bo. Optimization research on gray control rod worth for control capability of mechanical shim operation strategy[J]. High Power Laser and Particle Beams, 2017, 29(3): 036014.

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