When was the no-voltage protection test carried out? It there any test report.

失压保护试验是什么时候进行的，有试验报告吗？

youdao

In course of motor starting after no-voltage bus, a malfunction fault of motor differential protection was analyzed.

分析了一起母线失电后快切装置动作时电动机起动过程中差动保护的误动事故。

youdao

Now there is a strange thing because classically you would say, well, if I just have a wire with nothing in it there is no voltage on it.

这是一个奇怪的问题，你可能会说，假如仅仅有一个金属线圈的话，金属线圈内不会有电压。

youdao

The network of high-voltage "transmission" lines in the U.S. is rapidly aging and no longer can adequately support the country's growing demand for electricity.

FORBES: Magazine Article