泄漏电流

It is unnecessary to calculate the element fault current, but through alternating the resistance coefficient matrix directly to acquire the resistance of ground grids.

本文对此进行了较简便的优化，不必假设总的泄漏电流，而是通过矩阵变换直接求出接地电阻，从而大大提高了计算精度和计算时间。

The experimental results show that the validity of current collector is greater than 97% and the measurement error of the leakage current is less than 1%.

试验结果表明：采集环的采集效果大于97%；泄漏电流的测量误差小于1%。

It is possible to locate the source of leakage currents by using the Fluke 360 leakage current clamp meter and taking methodical measurements throughout the installation.

这是有可能的来源进行定位的过程泄漏电流通过使用福禄克360漏电流钳形表，并测量整个系统的安装。

The oscillator circuit of detecting leak current is designed, with which the inductance of detection coil is converted to frequency of oscillatory signal, and the oscillatory signals are used to eliminate the residual magnetism in coil after removal of leak direct current.

所设计的检测电路把敏感线圈电感的变化转换成振荡信号频率的变化，实现了对直流泄漏电流的精确检测，且交变振荡信号又能有效地消除敏感线圈中直流电流引起的剩磁现象。

Part One Research on Measuring of Resistive Current Passing Through XLPE Cable With Applying AC Voltage: By many tests,It is found that mains frequency is not sensitive to the mechanical fault of power cable main insulation.Accordingly,a new method that the fault of power cable main insulation is measured by measuring the resistance component of leakage current is put forward.

第一部分对XLPE 电力电缆施加工频交流电压时阻性电流的检测研究：通过大量的试验发现工频交流耐压试验对电力电缆主绝缘的机械损伤不灵敏，从而提出了通过检测泄漏电流的阻性分量来检测电力电缆主绝缘缺陷的新方法。

Phase comparison of resistive current component can ob- tain rather high measuring accuracy of resistive current,but for it a reference voltage shall be taken from service site(from potential transformer or adaptor),which may effect the service reliability for oth- er installations .

阻性电流相位比较法能获得较高的阻性泄漏电流测量精度，但需要从运行的现场取一个电压参考量(电压互感器或传感器电压抽取装置)，会对系统其他设备的运行可靠性造成一定的影响。

External sources of error can include leakage current from cables and fixtures, as well as currents generated by triboelectric or piezoelectric effects.

外部的误差源可能包括电缆和测试夹具的泄漏电流，以及摩擦电和压电效应产生的电流。

In this paper, the on-line monitoring technique of leakage current, especially of the resistive leakage current through the ZnO surge arresters under operating voltage is discussed.

本文对氧化锌避雷器运行电压下的泄漏电流、尤其是阻性电流分量的监测技术进行了研究。

To meet with the DC feeder cable without ground wiring, different DC current method was proposed to solve the problem of DC leakage curren on-line detection of the cable. The paper still studied in primary the feasibility of low frequency superposition method to detect the DC feeder cable. It not only explained the working theory of the system, but also presented some problems to be solved.

针对直流馈出电缆无接地线，提出采用差量直流电流法解决了电缆直流泄漏电流的在线检测问题，并初步研究了低频叠加法监测直流馈出电缆的可行性，给出了工作原理及还需解决的问题。

Leakages of HV apparatus are between severalμA and hundreds mA commonly, which is too small to be measured by ordinary current transformers.

高压电气设备的泄漏电流一般在几μA到几百mA之间，普通的电流互感器难以测到。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。