这个程序是基于电桥的三相电压型逆变电路，可以自由修改负载，得到各相电压，电流的图像。-This program is based on a three-phase voltage source inverter bridge, you can freely modify the load to obtain images of the respective phase voltage and current.

变压器空载合闸励磁涌流谐波分析，通过仿真观察变压器空载合闸瞬间，一次绕组电流变化规律和谐波分析。(Harmonic analysis of inrush current of transformer no-load switching on)

three phase rms voltage and current measurements