摘要
随着风电机组在电力系统并网增多,能够支撑电网频率的惯性愈发降低,系统频率的稳定性受到了影响,为此,提出一种基于模糊自抗扰储能惯量控制的双馈风电机组电网频率调整方法。该方法通过设计模糊自抗扰控制器来控制储能系统的运行,进而为电网有功频率提供支撑;为有效估计和补偿系统的不确定性及扰动,利用模糊规则自动修改整定扩张状态观测器参数。最后,应用Matlab/Simulink来分析模糊控制和模糊自抗扰控制的储能惯量控制结构下电网频率及其他机组参数。仿真表明,所提方法具有更好的电网频率调节功能,同时,提高了系统的鲁棒性和抗干扰能力。
In the power system,with the increase of wind turbine connected to the grid,the inertia which can support the grid frequency is increasingly reduced,the stability of the system frequency is affected.For this reason,a method of grid frequency adjustment of doubly fed wind turbine based on fuzzy auto disturbance rejection energy storage inertia control was proposed.In order to provide active frequency support for power grid,to effectively estimate and compensate the uncertainty and disturbance of the system,a fuzzy auto disturbance rejection control(ADRC)was designed to control the energy storage system,fuzzy rules were used to automatically modify the parameters of the extended state observer.Finally,Matlab/Simulink was used to analyze the power grid frequency and other unit parameters under the energy storage inertia control structure based on fuzzy control and fuzzy auto disturbance rejection control.The simulation results show that the grid frequency adjustment method based on fuzzy auto disturbance rejection energy storage inertia control has a better power grid frequency adjustment ability,at the same time,the robustness and anti-interference ability of the system are improved.
作者
崔海林
李泰
潘荣睿
CUI Hailin;LI Tai;PAN Rongrui(School of Electronic Information,Jiangsu University of Science and Technology,Zhenjiang 212003,Jiangsu,China;School of Electrical and Information Engineering,Jiangsu University,Zhenjiang 212013,Jiangsu,China;Jiangsu Phono Electric Co.,Ltd.,Zhenjiang 212132,Jiangsu,China;Changzhou Technician College Jiangsu Province,Changzhou 213032,Jiangsu,China)
出处
《电气传动》
2021年第23期48-52,共5页
Electric Drive
基金
国家自然科学基金(51307074)
江苏省博士后基金(1801061B)。
关键词
风电机组
储能系统
虚拟惯量
模糊控制
自抗扰控制
wind turbine
energy storage(ES)system
virtual inertia
fuzzy control
auto disturbance rejection control(ADRC)
