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。
The study on shunt active power filter, which is a novel device compensating harmonics and reactive power current simultaneously, is the focus in the field of power quality control.
并联有源电力滤波器作为一种新型的谐波、无功综合补偿系统，是电能质量控制领域中的研究热点。
Both of them provide theoretical foundation for analyzing performance of grounding grids in power current.
为分析工频电流下接地网的性能奠定了理论基础。
Several methods of measuring harmonic and reactive power current are introduced and compared in this paper.
本文介绍了常用的几种谐波和无功电流检测方法，并进行了比较。
When supplying a small transmitter loop device with power current, the strength of signal as same as that produced by a large transmitter loop can be obtained.
当对小发射回线装置供以大电流时，同样可以得到和大发射回线相当的信号强度。
The paper compares in detail the ground performance of large copper and steel material grounding grids in power current, which has some reference for the practical engineering.
本文详细比较了大型铜材和钢材接地网在工频电流下的接地性能，对工程应用有一定的参考价值。
The methods are able to compute any parameter of grounding grids in power current, such as power ground impedance, touch and step voltage, potential differences within grounding grids and so on.
用该方法可以计算接地网的工频电流下的任何参数，如工频接地阻抗、接触电压和跨步电压、网内电位差等。
With standard and modified insert layouts permit mixing of power (current up to 150 amp) and signal contacts.
有标准和改良接点排列，可同时装电源接触件(最高达150安培)和信号接触件。
With standard and modified insert layouts permit mixing of power (current up to 150 amp) and signal contacts.
有标准和改良接点排列，可同时装电源接触件(最高达150安培)和信号接触件。
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