对ip-iq算法电流谐波检测搭建三相四线制电流谐波检测simulink模型，参数已经调节好可直接运行，输出波形。(The ip-iq algorithm is used to detect current harmonics, and a three-phase four wire current harmonic detection Simulink model is built. The parameters have been adjusted and can be directly operated and output waveforms.)