直驱永磁同步风力发电机的控制器设计  

Controller Design for Direct-driven Permanent Magnet Synchronous Generator

作　　者：刘向向[1] 

机构地区：[1]国网江西省电力科学研究院,江西南昌330006

出　　处：《电气开关》2015年第6期54-56,59,共4页Electric Switchgear

摘　　要：推导出了永磁同步发电机在dq坐标系下的数学模型。根据直驱永磁同步风力发电机的结构特点,将滑模变结构控制理论应用于直驱永磁同步风力发电机中,设计出了速度环的变结构控制器,实现了发电系统的最大风能跟踪控制。最后,建立了基于Matlab的仿真模型并进行了仿真分析,仿真结果表明所设计的控制器具有良好的控制性能和鲁棒性。The mathematic model of permanent magnet synchronous generator in dq coordinate system is de- duced. According to the structural feature of direct-drive permanent magnet synchronous wind turbine generator. Variable structure sliding mode control is presented to be used for direct-drive permanent magnet synchronous wind turbine gener- ator, and then the controller for the speed loop is designed based on variable structure sliding mode control and the maxi- mum wind-energy tracking control can be implemented. Finally, a Matlab-based simulation model is built for simulation analysis of the proposed controllers. The simulation results indicate that using the proposed control strategy, the validity and the feasibility can be verified, finally, a Matlab-based simulation model is constructed for simulation analysis of the proposed controllers. Simulation results show that the designed controllers possess satisfied transient control performance and strong robustness.

关 键 词：风力发电 直驱永磁同步发电机 变结构控制器 

分 类 号：TM57[电气工程—电器]