The detection and location method of single-phase grounding fault based on fault indicator technology was introduced.
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 harm of single-phase grounding fault current in the medium-voltage power network has been gotten the universal solicitude of people.
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 self-extinguishing of the arc caused by a single-phase grounding fault depends mainly on the amplitude of the residual current at grounding point.
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。
To solve the problem of the fault location in distribution networks, a fault location method is suggested for the single-phase grounding fault based on C-type traveling-wave theory.
为解决配电网故障定位问题，使配电网故障定位自动化，以减少巡线工作量和用户停电时间，提出了利用C型行波法对单相接地故障进行故障测距的方法。
A faulty feeder selector based on traveling wave theory and IEC61850 standard is developed for the single-phase grounding fault of digital substation in non-solid grounding power system.
基于故障行波理论和IEC61850标准，研制了中性点非有效接地系统数字化变电站中的单相接地故障行波选线装置。
By analyzing the zero-sequence full current for single-phase grounding fault in isolated neutral distribution network, a new approach to determine the faulty transmission line is obtained.
通过对中性点不接地配电网单相接地故障时零序全电流的分析，得出了利用零序全电流的大小和方向进行故障选线的新方法。
Based on clustering FSVM and current injection method, a new method using two steps for single-phase grounding fault location of distribution feeders in networks with ungrounded neutral is proposed.
提出小电流接地系统实现单相接地故障定位的新方法。该方法应用基于聚类的FSVM和电流注入法分两步实现故障定位。
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。
Detecting and locating the single phase grounding fault of power distribution system is difficult, to locate fault in the circuitry is more difficult.
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。
This paper systematically analyses existing domestic and foreign methods for single phase grounding fault location.
本文系统地分析了国内外现有的单相接地故障定位方法。
By serious analysis according to Chinese rule, the conclusion and the protection measures for human safety under Single Phase Grounding Fault (SPGF) are summarized.
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。
A new method based on calculating approximate entropy of transient zero-module current is presented in order to locate the single phase grounding fault in non-solidly earthed network.
提出一种通过计算暂态零模电流近似熵确定小电流接地故障区段的新方法。
If single phase grounding fault is occurred, fault current is very small, so it can continue to run for 1~2 hours according to the protocol.
系统发生单相接地故障以后，因为故障电流很小，不至于影响系统的对称运行，所以按照规程可以继续运行1～2个小时。
Small Current Grounding Power System is widely used in power distribution network with middle and low voltage in china, and the single phase to ground fault takes place most frequently in such system.
提出了一种基于线路分布参数的小电流接地系统的高精度故障模型，用于分析单相接地故障产生的暂态信号特征及进一步完善基于暂态信息的小电流接地故障选线判据。
Combined with the research status of single-phase-to-ground fault locating for small current grounding system, a new idea based on non-fault-phase transient current is presented.
针对小电流接地系统单相接地故障定位的研究现状，提出基于非故障相暂态电流的单相接地故障定位的思想。
Combined with the research status of single-phase-to-ground fault locating for small current grounding system, a new idea based on non-fault-phase transient current is presented.
针对小电流接地系统单相接地故障定位的研究现状，提出基于非故障相暂态电流的单相接地故障定位的思想。
应用推荐