power voltage

基本解释

Reasonably cutting off load can be controlled the range of the power voltage.
合理地投切负载能够控制电源电压的波动范围。
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极断路器非正常跳闸的原因，提出采用施加外接辅助电源电压的解决措施。
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.
在电力系统中常常需要对两个同频率信号（如工频电压和工频电流）之间的相位关系进行准确的测量。

And these electrodes are then connected to a variable voltage power supply.
这些电极然后,和一个变压电源连接起来了。
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