The principles of using signal injection method to detect single-phase earth fault of distribution network at present are compared and analyzed.
对目前配网采用信号注入法检测单相接地故障的原理进行比较分析。
In power system, the kinds of faults often occur on HV transmission line, and the single-phase-to earth arcing faults are the main forms of the faults.
电力系统中,高压输电线路是最容易发生故障的部分,单相电弧故障是其中最主要的故障形式,并且往往是弧光高阻故障。
Using transient traveling waves generated by fault to locate single-phase earth fault or short circuit fault in distribution feeders mixed with overhead lines and cables is proposed.
该文提出利用线路故障产生的暂态行波实现配电架空线、电缆混合线路单相接地及相间短路故障测距,分析了故障初始行波模分量的暂态特征。
The invention discloses single-phase gadolinium-silicon compounds and the method for preparation, and relates to a rare earth silicide material.
本发明单相钆硅化合物以及制备方法,涉及稀土硅化物材料。
In this paper, the method based on the combination of wavelet transform and BP neural network is presented to realize fault location for the single-phase-to-earth fault in non-direct-ground systems.
提出一种基于小波变换与BP神经网络相结合的方法来实现小电流接地系统单相接地故障定位。
The single-phase-to-earth fault in the system takes place frequently.
在这类系统中,发生最多的是单相接地故障。
To avoid happen failure or remove hidden trouble as soon as possible, Single-phase earth fault of low current earth system is analyzed and discussed in-depth in this text.
为了避免故障的发生或故障后尽快消除隐患,本文就小电流接地系统单相接地故障进行了深入的分析与论述。
When single-phase-to-earth fault occurs on a neutral non-direct grounded power system, it is nexessary for improving the reliability of power supplying to select the faulted line quickly.
中性点非有效接地配电网发生单相接地故障时,尽快选出故障线路对提高电网的供电可靠性有重要意义。
When single-phase-to-earth fault occurs on a neutral non-direct grounded power system, it is nexessary for improving the reliability of power supplying to select the faulted line quickly.
中性点非有效接地配电网发生单相接地故障时,尽快选出故障线路对提高电网的供电可靠性有重要意义。
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