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.
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.
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.
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.
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.
小电流接地系统发生单相接地故障时，故障线路与健全线路在特征频段内零序电流的相位差别是接地选线判据的重要依据之一。
The phase comparison between fault feeder and healthy feeder is one of important criteria in fault line selection for neutral non-effective grounding systems.
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。
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.
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。
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.
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。
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.
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.
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.
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