And the single phase grounding fault location for transmission line should be the emphases in power system fault detection.
因此输电线路的单相接地故障点定位应是电力系统故障检测的一个重点。
Because complex wavelet transforms can exactly identify amplitude and phase information in signal to be dealt with, they are suitable for detection of fault signals in power system.
复值小波变换能准确分辨出信号中所包含的幅值信息和相位信息，因而，适用于电力系统的故障信号的检测。
The protection of power system is quick detection and localization of fault in order to act rightly and clear out the fault.
电力系统的保护就是通过对故障进行快速的检测、定位，达到正确动作、消除故障的目的。
The modules for power transformer fault detection and identification are developed with COM and fuzzy technology. Based on the modules, the fuzzy diagnostic system is design.
利用COM和模糊技术开发了电力变压器故障模糊检测和辨别模块，在此基础上设计了模糊诊断系统。
This article proposed shunt current electric larceny fault detection model for electric energy meter 'current coil of the high voltage power metering system.
提出了高压电力计量系统电能表电流线圈分流窃电故障检测模型。
Therefore it can be widely applied to fault detection, protection for power system and active power filter.
因此，它可应用于电力系统故障检测、保护和电力有源滤波器谐波电流检测中。
In electric power plants and substations, a detection of DC system ground fault was usually completed in hand manner, which is very much trouble and danger.
在发电厂和变电所内，直流系统接地故障的检测，过去一直采用手动方式来完成。
The correct operation of relay protections largely depends on the correct detection of fault current in power system.
电力系统继电保护装置的动作正确性在很大程度上取决于故障电流转变的准确性。
Fault detection on the traction power supply system mainly includes three steps: signal acquisition, signal processing and analysis, fault diagnosis.
对牵引供电系统进行故障检测主要包括三个步骤：信号采集、信号处理与分析、故障诊断。
So it is necessary to find some ways for the fault location detection. In the phase-to-earth fault power system, the value of zero-sequence impedance is directly related to the earth conductivity.
这样就降低了供电可靠性，故找出一种新思路使其能更准确有效地判断故障点具有重要意义。
So it is necessary to find some ways for the fault location detection. In the phase-to-earth fault power system, the value of zero-sequence impedance is directly related to the earth conductivity.
这样就降低了供电可靠性，故找出一种新思路使其能更准确有效地判断故障点具有重要意义。
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