Research on Load-Following Characteristics of Pressurized Water Reactor Nuclear Power Plants
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摘要: 压水堆核电厂通过功率控制系统调节反应堆的反应性,以达到负荷跟踪的目的。本文设计的功率控制系统利用模糊控制器对棒速和硼浓度的联合控制做出最优选择,并利用功率补偿通道加快响应速度。MATLAB(Matrix Laboratory)的仿真结果证明该系统具有优良的负荷跟踪特性。利用电力系统分析综合程序(PSASP)的自定义模型功能,将该控制系统模块接入核电厂全系统模型,仿真结果表明压水堆核电厂的负荷跟踪能力可达到行业技术标准,并能满足电网的日负荷调峰要求。Abstract: Pressurized Water Reactor（PWR） Nuclear Power Plants（NPPs） realize the load following through the Power Control System（PCS）.In this paper,the fuzzy controller was introduced into PCS to make the optimal rod control and boron concentration adjustment.A power compensation channel was proposed to accelerate the response speed.The simulation results in Matlab illustrated the excellent load-following capability of NPP with PCS.Through the user-defined program of PSASP,PCS module was embedded with the whole NPP model.The simulation results in PSASP showed that the load-following capability of NPP meets the industrial technical requirements,and demonstrated the capability of NPP for power system daily peak load regulation.
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Key words:
- PWR /
- Nuclear power plant /
- Power control system /
- Load following
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