小电流接地系统单相接地时有许多特点。
The single line-to-ground (SLG) faults in low ground current system may have many features.
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.
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.
给出了不同变电站实用的单相接地选线方法的建议。
Moreover, this paper gives the suggestion of applied earthing selection with the difference of the substation.
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.
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.
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.
分析井下供电系统单相接地的危害，介绍几种常见的漏电保护方法。
This Paper analyses the harm of single-phase earthing in electricity supply system of mine and introduces several type of common ways of leakage protection.
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.
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.
然后对小电流接地系统单相接地时零序电容电流的暂态过程及特点做了介绍和分析。
Subsequently, the transient course and characteristics of zero sequence capacitive current are introduced and analyzed.
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.
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.
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.
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.
针对中性点经消弧线圈接地的小电流接地系统，设计了一套单相接地补偿及选线的微机保护装置。
Aim at an-arc suppression reactor earthing power system, we design a suit of microcomputer system for compensating single-phase earthing current and selecting line.
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.
针对中性点经消弧线圈接地的小电流接地系统，设计了一套单相接地补偿及选线的微机保护装置。
Aim at an-arc suppression reactor earthing power system, a suit of microcomputer system for compensating single-phase earthing current and selecting line was designed.
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.
数字式变压器差动保护在星形侧发生外部单相接地或线路单相遭雷击的情况下，差动保护有时会误动。
Digital transformer differential protection may falsely take effective when external single-phase earth fault occurs at star side or the line endures lightning strike on single phase.
在中性点非直接接地电网中，单相接地及由电压互感器(PT)引起的谐振过电压均是多发性的事故。
In ungrounded distribution system the single-phase-grounding and the ferro-resonance caused by the PT (Potential Transformer) are of the frequent accidents.
在中性点非直接接地电网中，单相接地及由电压互感器(PT)引起的谐振过电压均是多发性的事故。
In ungrounded distribution system the single-phase-grounding and the ferro-resonance caused by the PT (Potential Transformer) are of the frequent accidents.
应用推荐