基于永磁同步风力发电系统的自抗扰控制

Active Disturbance Rejection Control of PMSG-Based Wind Power Generation System

以额定风速以下风能的最大捕获为目标,针对基于永磁同步风力发电系统反馈线性化模型设计了一种自抗扰控制器。所设计的自抗扰转速控制器包括扩张状态观测器和非线性状态反馈控制律,前者将扰动作为扩展状态,后者将估计转速与给定转速之差通过非线性函数变换推导出控制律,并在Matlab/Simulink下搭建仿真模型。仿真结果表明,风速在额定风速以下时,自抗扰控制方法能有效实现风力发电机组的最大风能捕获。

In order to capture maximum energy under rated wind speed, a PMSG-based wind power generation control system was designed, based on integrating feedback linearization active disturbance rejection control （ADRC）. This paper designed ADRC containing ESO and nonlinear state feedback control law, the former one considered disturbance as extended state, and the given input and non-extended states of the observer were combined nonlinearly to generate control law. The simulation model was built in Matlab/Simulink. Simulation results indicated that the proposed control method could effectively implement maximum energy capture under rated wind speed.