自己建立的永磁直驱风力发电系统，采用dq解耦控制，spwm调制，机侧控制直流电压，网侧控制最大功率跟踪和无功。(The permanent magnet direct drive wind power generation system has adopted DQ decoupling control, SPWM modulation, machine side converter control DC voltage , network side control maximum power