Basically, we need to use up to a maximum voltage or up to a maximum current but the operating point will never require both at once.

基本上，我们需要使用达到最大电压或最大电流，但是该运行点永远也不需要立刻达到这两个。

youdao

The coefficient of grounding is the ratio of the maximum sustained line-to-ground voltage during faults to the maximum operating line-to-line voltage.

接地系数是故障时最大持续相电压与最大运行线电压之比。

youdao