此类继电器能够增加系统安全性，并对三相交流接地电阻或接地配电系统进行可靠的低级接地故障检测。
They provide system security and immediate reliable low level ground fault detection on three-phase AC resistance grounded or grounded electrical distribution systems.
现对低压配电系统接地和接零保护进行简要论述。
The paper discusses the low-voltage distribution system earthing and the neutral protection.
指出石化企业低压配电系统接地故障保护存在问题及其危害性，并做实例分析，提出了解决措施。
The problems existing in grounding protection of low voltage distribution system in petrochemical enterprise are pointed out together with their harmfulness.
本文介绍了380V低压配电系统中性点的接地方式，分析了接地与不接地系统特性。
The way of neutral grounding in 380V LV distribution system was introduced and the characteristics of grounded and non grounded systems were analyzed.
针对配电网系统的单相高阻接地故障，提出了一种基于概率分析的故障检测与定位方法。
Based on probability analysis, a new method of fault detection and location in distribution network grounding with high resistance is proposed in this paper.
城市配电网因为其电压等级较低，为了提高系统供电的可靠性，曾广泛采用中性点不接地系统方式。
In distributions, because of its low-level voltage, its neutral point used to disconnect to the ground in order to improve its reliability.
该装置适用于电网电容电流变化范围大、小电容电流、高阻接地的配电网系统。
The equipment is applicable for the distribution network of small capacitance current, grounding through high resistance and the capacitance current of which varies greatly.
介绍了我们研制的一种新型智能配电设备用于配电网中性点谐振接地系统中快速消弧并对故障线路选线。
In this paper a novel intelligent distribution equipment we developed is presented, mainly for suppressing arc in the resonant grounding distribution networks and detecting the earth fault line.
论证小电流接地系统低电阻接地和谐振接地方式对不同类型配电网的应用范围。
The paper also discusses the application scopes of small current grounding, low resistance grounding and resonant grounding in different kinds of power distribution grids.
分析民用建筑低压配电保护接地系统的选用型式，浅论了系统的保护线(PE)接地装置施工要求。
This article analyzes the selection forms of protection earthed system of low Pressure switch of civil buildings, and studied construction request of guard Wire (PE) earthed system.
根据低压配电系统的负荷特性，阐述了低压配电系统的接地方式。
According to load characteristics of low voltage distributing system, this paper expounds earthing ways of low voltage.
随着配电网规模的不断扩大，配电系统接地方式的选择越来越受到重视。
The choice of neutral grounding models of distribution is getting more important along with the growing of distribution net models.
中性点不接地系统和中性点经消弧线圈接地系统统称为中性点不直接接地系统，广泛应用于铁路配电系统中。
Non-ground neutral system and arc-suppression-coil-ground neutral system are called non-direct ground neutral system that is widely used in power distribution system.
针对配电网系统的单相高阻接地故障，提出了一种基于概率分析的故障检测与定位方法。
With comparing different methods of grounding and considering different factors, high resistance grounding was selected.
将基于暂态行波的接地选线技术应用于现场，实现了基于电流行波的配电系统故障选线装置SL-11，并在现场对装置进行了多次试验。
The grounding line selector SL-11 has passed field tests of single-phase-grounding line selection in non-solidly grounding system, which is based on current transient traveling wave.
将基于暂态行波的接地选线技术应用于现场，实现了基于电流行波的配电系统故障选线装置SL-11，并在现场对装置进行了多次试验。
The grounding line selector SL-11 has passed field tests of single-phase-grounding line selection in non-solidly grounding system, which is based on current transient traveling wave.
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