中文说明：基于IP-IQ瞬时功率理论的APF仿真波形图，三相三线，如果需要还可以将三相四线传上来供大家学习交流。
English Description：
Based on ip-iq instantaneous power theory of APF simulation waveform, three-phase three wire, if necessary, can also be three-phase four wire up for everyone to learn and exchange.