提高火电机组AGC性能的方法研究

Research on Improving Performance of Automatic Generation Control for Thermal Power Generating Units

论述了火电机组自动发电控制(AGC)功能对协调控制系统(CCS)的性能要求,分析了发电机组调节速率不能满足要求的主要原因。并以广东某电厂3号机组为例,分析了CCS存在的主要问题,提出了增加负荷指令-燃料量指令的动态前馈功能,以提高火电机组AGC性能。试验结果表明,该方法对提高火电机组AGC性能有显著效果。

This paper introduces the requirements on performance of coordinated control system （CCS） for automatic generation control （AGC） of thermal power generating units, and analyzes the main reasons for the deficiency of regulating speed. Taking Unit 3 of some power plant in Guangdong, China as an example, this paper analyzes the main problems of CCS, and proposes the dynamic feedforward of load-fuel instruction to enhance the AGC performance of thermal power units. The availability of the proposed method is validated by testing results.