power voltage

基本解釋

Reasonably cutting off load can be controlled the range of the power voltage.
合理地投切負載能夠控制電源電壓的波動范圍。
The cause of the improper trip of 4 pole circuit breaker was analyzed. A subsidiary power voltage is applied to solve the problem.
分析了4極斷路器非正常跳閘的原因，提出采用施加外接輔助電源電壓的解決措施。
The phase difference often needs to be measured between two signals with the same frequency in power system, such as power voltage and power current signals.
在電力系統(tǒng)中常常需要對兩個同頻率信號（如工頻電壓和工頻電流）之間的相位關(guān)系進行準確的測量。

And these electrodes are then connected to a variable voltage power supply.
這些電極然后,和一個變壓電源連接起來了。
麻省理工公開課 - 固態(tài)化學導論課程節(jié)選

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