660MW超临界火电机组建模与一次调频

660 MW Supercritical Thermal Power Unit Model and Frequency Regulation

为了反映、评估、改善当前国内超临界单元机组参与电网一次调频的能力,根据集总参数法建立了超临界火电机组不同工况下的数学模型。利用Simulink软件进行了随机频率偏差扰动下稳定工况以及变工况时机组参与电网一次调频能力的仿真实验,结果表明了模型的合理性及有效性,为优化改善超临界机组参与电网一次调频能力提供了平台,为实现负荷频率最优控制打下基础。

In order to reflect,evaluate and improve these abilities,we found mathematical models of supercritical thermal power unit under different loads,based on the lumped parameter method. We do frequency regulation dynamic simulation under stability condition and variable condition with Simulink. It demonstrates the superceitical unit models are effective. These models provide a platform for improving unit load adaptability and primary frequency regulation ability so that laying a solid foundation for achieving the optimal control of load frequency.