目前对操作过电压的研究多数只是宏观监测、分析过电压波形，而没有深入研究电动机内部的电场分布及其变化情况。

Now, most researches on over-voltage is just done on monitoring and analyzing the over-voltage waveform, but not studying the deeply electrical fields.

youdao

目前对操作过电压的研究多数只是宏观监测、分析过电压波形，而没有深入研究电动机内部的电场分布及其变化情况。

Now, most researches on over-voltage is just done on monitoring and analyzing the over-voltage waveform, but not studying the deeply electrical fields.

youdao