摘要
经济、灵活及与电网匹配的运行控制是先进核电厂的设计目标之一。本文对核电厂典型的控制模式和机械补偿运行控制策略进行了介绍,进一步以机械补偿设计理念为基础,研究分析了其在各种负荷跟踪模式下的运行特性。分析结果表明,采用机械补偿运行策略可实现多种模式下的负荷跟踪运行,并且在绝大部分寿期内可实现URD要求的50%额定功率以上不调硼日间负荷跟踪运行。且在满足功率负荷变化及能量输出需求的前提下,功率峰因子还具有足够的裕量。由此说明机械补偿运行策略可以较大幅度地提升电厂的运行灵活性、经济性以及与电网匹配的适应性。
The operation and control strategy with economy,flexibility,and adaptability to match with the grid is the design objective of an advanced nuclear power plant.This paper describes the results of mechanical shim control strategy for various power change profiles based on the mechanical shim design concept.From this study,it is concluded that the mechanical shim operation strategy performs the load-following operation very well over a wide range of scenarios that are expected,and it fulfills the URD requirement that the power change above 50% of the rated power for a 24-hour load cycle can be performed without the soluble boron concentration adjustment during most of the fuel cycle.The power peaking factors have adequate margin.It is found from the results that the mechanical shim operation and control strategy will be robust enough to enhance the flexibility,economy,and adaptability to match with the grid of the nuclear power plant.
作者
叶青
杨波
汤春桃
党哈雷
YE Qing YANG Bo TANG Chun-tao DANG Ha-lei(Shanghai nuclear engineering research ＆ design institute,Shanghai 200233,Chin)
出处
《核科学与工程》
CAS
CSCD
北大核心
2016年第4期459-464,共6页
Nuclear Science and Engineering
关键词
机械补偿
负荷跟踪
负荷调节
Mechanical shim
Load follow
Load regulation
