研究生期间完成的有源电力滤波器仿真（APF）,采用电流内环，电压外环的双闭环控制方案。同时，交流测滤波电感经过了精心设计，滤波效果很好。-Graduate students during the simulation of active power filter (APF), the completion of the current loop, double closed loop control scheme of voltage outer loop. At the same time,