三相LCL滤波型PWM逆变器仿真模型，内附相关文献。采用并网电流外环电容电流前馈内环的双闭环控制结构，可以参考用于光伏和风力发电网侧变换器中-Matlab simulation model of three phase PWM inverter with LCL type filter.Controlled by grid current outerloop and capacitor current feedforward inner

毕业设计用的LCL滤波器电路，在并网反馈控制方面存在缺陷(The LCL filter circuit used in graduation design is defective in grid connected feedback control.)