High penetration of wind energy into the grid may introduce stability and power quality problems due to the fluctuating nature of the wind and the increasing complexity of the power system. By implementing advanced functionalities in power converters

single-phase grid-connected inverter system based on LCL filter is established，which combines the features of inverter and active power filter. A composite control strategy for grid-connected inverter with the function of implementing reactive po

并网型双馈电机仿真，主要研究其有功，无功独立解耦控制策略-Grid DFIG simulation, its major research active and reactive power decoupled control strategy