Maximum power point tracking with nonlinear disturbance rejection control for DPMSG wind power generation system

被引：0
|
作者：
Fang Y. [1 ]
Zeng Z. [1 ]
Liu Q. [1 ]
Wang K. [1 ]
机构：
[1] School of Electrical & Information Engineering, Changsha University of Science & Technology, Changsha
来源：
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | 2019年 / 47卷 / 05期
关键词：
Maximum power point tracking; Nonlinear disturbance rejection control; Nonlinear extended state observer; Nonlinear smoothing function; Permanent magnet synchronous generators; Wind power generation;
D O I：
10.7667/PSPC180240
中图分类号：
学科分类号：
摘要：
Considering the permanent magnet synchronous generators with nonlinear, uncertain internal parameters and external disturbances, a nonlinear disturbance rejection control method is proposed to achieve Maximum Power Point Tracking (MPPT) of direct-driven permanent magnet synchronous generators wind power generation system. The Nonlinear Extended State Observer (NLESO) and nonlinear disturbance rejection controller are designed based on a nonlinear smoothing function. NLESO is used to estimate the system disturbance and uncertainty and feed forward to the control input to achieve disturbance compensation, which enhances the disturbance rejection ability of the system. And the astringency of NLESO is analyzed. The simulation results show that the control method not only has the characteristics of fast response and high control accuracy, but also has no overshoot and no chattering phenomenon, so it has great application value in the MPPT control of wind power generation system. © 2019, Power System Protection and Control Press. All right reserved.
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页码：145 / 151
页数：6
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