准确获得电网电压的相位角，在电力电子装置设计中有重要的意义。

To obtain the phase of line is important in the design of power electronic equipments.

youdao

准确获得电网电压的相位角，在电力电子装置设计中有重要的意义。

To obtain the phase of line is important in the design of power electronic equipments.

youdao