单相接地故障仍是矿山电网的主要事故形式。
Single-phase grounded failure is still the main reason of mine power-net fault.
在这类系统中，发生最多的是单相接地故障。
The single-phase-to-earth fault in the system takes place frequently.
小电流接地系统发生最多的故障是单相接地故障。
Most faults in power distribution systems are single phase to ground faults.
本文系统地分析了国内外现有的单相接地故障定位方法。
This paper systematically analyses existing domestic and foreign methods for single phase grounding fault location.
本文将基于故障分量的继电保护原理用于单相接地故障定位。
This paper introduces principles of relay protection based on the fault component and applies these to the fault location.
本文着重研究了单相接地故障的区段定位方法和故障测距方法。
A new method about fault section locating and a new method about accurate fault locating are studied in this article.
中压电网中，单相接地故障电流的危害性受到了人们的普遍关注。
The harm of single-phase grounding fault current in the medium-voltage power network has been gotten the universal solicitude of people.
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。
The principles of using signal injection method to detect single-phase earth fault of distribution network at present are compared and analyzed.
重点介绍了基于故障指示器技术的单相接地故障的检测和定位方法。
The detection and location method of single-phase grounding fault based on fault indicator technology was introduced.
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。
And the single phase grounding fault location for transmission line should be the emphases in power system fault detection.
介绍了基于“S注入法”的小电流接地系统单相接地故障选线定位保护。
The protection for earth fault line selection and fault point location by S injecting current in neutral isolated power system is presented.
提出了一种针对辐射状谐振接地系统确定单相接地故障线路及故障区域的新方法。
This paper proposes a new method for the fault line and fault area detection in radial neutral-point resonant grounded system.
小电流接地系统发生单相接地故障时，对零序分量而言，非故障线路相当于空载。
The healthy line is unloaded for zero-sequence component when a single-phase fault occurs in a non-solid earthed network.
配电线路单相接地故障的检测和定位是一个难题，要在线路上定位故障点更是困难。
Detecting and locating the single phase grounding fault of power distribution system is difficult, to locate fault in the circuitry is more difficult.
采用虚拟仪器技术，开发了基于混沌选线方法的小电流接地系统单相接地故障选线仪。
Furthermore, based on Lab VIEW virtual instrument technology, the chaotic single-phase-to-ground fault protection is developed.
可自恢复性单相接地故障点的电弧是否能自然熄灭的决定因素是接地故障残流的大小。
The self-extinguishing of the arc caused by a single-phase grounding fault depends mainly on the amplitude of the residual current at grounding point.
将该文提出的判别方法用于处理小电流单相接地故障保护的现场试验数据，获得了好的效果。
This method has been applied to analysis of field test data of small current fault relaying, and obtained good results.
并在此基础上给出了补偿电网中消弧线圈自动调谐与单相接地故障选线一体化的综合控制思路。
Then the idea of integral control of automatic resonance and single-phase earth faulted line selection was put forward.
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。
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.
介绍了单相接地故障行波选线原理，故障线路电流初始行波幅值最大，极性与非故障线路相反。
Its principle is presented: the amplitude of initial traveling wave on faulty feeder is higher than those on other feeders and its polarity is in inverse.
依据国家规程通过对试验数据的认真分析，总结了单相接地故障时，保证人身安全的结论和措施。
By serious analysis according to Chinese rule, the conclusion and the protection measures for human safety under Single Phase Grounding Fault (SPGF) are summarized.
本文针对中压电网中经常发生的单相接地故障，介绍了基于暂态能量判据对故障支路的选线方法。
Focusing on single phase earth faults which frequently happen in medium voltage networks, this paper presents a faulty feeder selection system based on the transient energy criteria.
注入信号法是一种效果较好的选线方法，其原理广泛应用于小电流接地系统单相接地故障的自动选线。
The signal injection method is widely used for automatic selecting fault line in indirectly earthed power system, which has great effect in the system of single-phase ground fault.
结合自动补偿电网的特征，对利用零序电流的附加有功分量进行单相接地故障选线进行了研究与分析。
The paper made research and analysis on the topic of faulted line selecting in an auto compensated distribution network in use of the active part of residual currents.
该判据可以对不对称的故障进行故障定位，这些故障包括单相接地故障、两相接地故障和两相短路故障。
The justifying conditions can be used to justify the location of faults, including single phase earthing, two phases earthing and two phases shorting.
该判据可以对不对称的故障进行故障定位，这些故障包括单相接地故障、两相接地故障和两相短路故障。
The justifying conditions can be used to justify the location of faults, including single phase earthing, two phases earthing and two phases shorting.
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