ground fault

When single-phase ground fault occurs, it is easy to form arc on the earthing point.

当中性点不接地电网发生单相接地故障时，接地点易形成电弧。

Leakage Current Detector Interrupter. · Arc Fault Circuit Interrupter. · Ground Fault Circuit Interrupter.

漏电保护断路器. ·微电流感应传感器.

The single-phase ground fault accounted for 80% of all distribution networks' fault. How to accurately, rapidly diagnosis fault lines is a practical issues and also a problem in the face of electrical engineers to be resolve promptly.

配电网络的单相接地故障占到所有故障的80%左右，如何准确、快速的诊断出故障线路是实际中经常遇到的问题，也是科研工作者需要解决的难题。

In order to greatly enhance the zero-sequence current active component during the single-phase ground fault, the short-time switch and the resistance paralleled with the petersen coil were controlled when there is a permanent single-phase ground fault in the system.

该方法当系统发生永久性单相接地故障时通过控制开关短时投切与消弧线圈并联的电阻，从而大大增强单相接地故障时的零序电流有功分量。

This ground fault protection function may be incorporated into a circuit breaker.

这种功能可以一体化设计在断路器上.

Research on Integrated Vehicle and Ground Fault Diagnosis System for Space Laboratory

空间实验室天地一体化故障诊断技术研究

Purpose of the paper is to outline the ground fault protection control system of distribution network in order to improve reliability of power supply and realize automation of distribution network.

通过各方面的研究，对配电网接地故障的保护控制系统提出一个全面的框架结构，该结构更有利于提高供电可靠性、实现配电网自动化。

Further analysis of single-phase ground fault other than the failure of the formation process, and the failure process of voltage and current wave recording records and found that most of the short circuit between phases is also due to the initial single-phase ground fault evolved.

进一步分析单相接地故障以外的故障的形成过程，以及故障过程中电压、电流的录波记录，发现大多数相间短路也是由于最初的单相接地故障发展而来的。

A microcomputer based adaptive generator protection for stator ground fault

微机自适应式发电机定子接地保护的研究

Fusion strategy for single phase to ground fault detection implemented through fault measures and evidence theory

基于故障测度概念与证据理论的配电网单相接地故障多判据融合

Configuration software with the image display Coal Mine Belt transport, through CAN bus, the Underground Monitoring collected conveyor operation or transmission to the ground fault condition;

用组态软件形象显示煤矿井下皮带运输，通过CAN总线，将井下监控分站采集到的皮带机运行或故障状态传输到地面；

The stator ground fault protection with injection voltage can provide 100 % windings protection.

注入式定子接地保护能单独实现发电机定子100%绕组的保护.

Transient recovery voltage in breaking test for double line to ground fault occurred in different phase and in different side of circuit breaker

关于异相接地开断试验的瞬态恢复电压

New Differential Protection Research for Generator Stator Single Phase Ground Fault

故障分量发电机定子单相接地保护应用研究

Based on the analysis of the single-phase ground fault type in the distribution network, a new method that can distinguish the fault phase by the variation of the voltage is presented. The fault degree criterion and the judgment formula are put forward.

分析配电网单相接地故障的类型，得出根据电压变化确定故障相的方法，提出故障程度的判据并给出判断公式。

It is implemented by the FTUs' calculating and analyzing for the sampling parameters for the diagnosis of the single phase fault and the phase to phase fault, the fault location, the fault isolation and the analysis and measurement of ground fault.

通过FTU对采集量的计算和分析实现了单相短路和相间短路故障的判断以及故障定位、故障隔离及接地故障分析和检测等功能。

With high& reliable ground fault current breaking capacity;

具有高可靠的异向接地故障电流开断能力；

Criterion of Single-Phase Ground Fault Type and Its Degree for Distribution Network

配电网单相接地故障类型及程度的判据

Accurate fault location technique for phase ground fault through high impedance

高阻接地短路的精确测距方法

An Integrated Vehicle and Ground Fault Diagnosis System for space laboratory is described in detail.

文中详细阐述了空间实验室天地一体化故障诊断系统方案。

The simulations were compared with experimental results for a ground fault in the stator windings of a 12 kW synchronous test generator as a single machine with no load and neutral grounding with a resistor.

为验证仿真的正确性和有效性，对一台12kW同步发电机实验样机进行了单机空载、中性点电阻接地情况下的定子单相接地实验，并给出了实验结果。

In order to solve this problem, the precise digital simulation model of ground fault arc is put forward based on Mayr mathematical model of electric arc.

为解决这个问题，依据麦也尔电弧数学模型，给出了接地故障电弧的精确数字仿真模型。