The effect of open-phase running of transmission line on distance criterion is analyzed.

主要分析了电力系统输电线路非全相运行对线路保护装置中距离判据的影响。

youdao

The open-phase protection in long-distance motor operation is very important in practice.

电动机远距离运行断相保护在实际工作中很重要。

youdao

The invention relates to electromechanical equipment accessories, in particular to an undervoltage open-phase protection contactor.

本发明涉及一种机电设备配件，具体地说是一种欠压断相保护接触器。

youdao

Freeze dates are defined as the observed period when a lake or river was completely ice-covered, and break-up dates as the last ice break-up seen before the summer open-water phase.

BBC: Ice records reveal warming trend

If the U.S. doesn't deliver, there is a clause in the agreement that states the Open Skies treaty -- phase I included -- can be torn up.

CNN: Open Skies explained

Due to open in 2001, the first phase will house a 1, 800-seat concert hall and a 2, 000-seat theater.

CNN: GAINING CULTURAL CAPITAL