| 配电网单相接地点自动探测方案的探讨 |
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| 引用本文： | 刘万顺,葛亮,杨奇逊,秦立军.配电网单相接地点自动探测方案的探讨[J].现代电力,1996(1). |
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| 作者姓名： | 刘万顺 葛亮 杨奇逊 秦立军 |
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| 作者单位： | 华北电力大学（北京）电力工程系 |
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| 摘 要： | 提出一种基于外加高频电源于故障线路，对小接地电流系统单相接地故障点位置进行探测的方案。本方案以分布参数线路模型为基础，计及了接地点过渡电阻的影响，经仿真计算具有较好的测距精度。
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| 关 键 词： | 配电网，故障，故障定位 |
STUDY ON AUTO-DETECTION OF SINGLE-PHASETO-EARTH FAULT LOCATION IN ELECTRICAL POWER DISTRIBUTION SYSTEMS |
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| Liu Whnshun, Ge Liang, Yang Qixun, Qin Lijnn.STUDY ON AUTO-DETECTION OF SINGLE-PHASETO-EARTH FAULT LOCATION IN ELECTRICAL POWER DISTRIBUTION SYSTEMS[J].Modern Electric Power,1996(1). |
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| Authors: | Liu Whnshun Ge Liang Yang Qixun Qin Lijnn |
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| Abstract: | A method of detecting the single-phase-to-earth fault location in ungroundedneutral-point system through coupling an external high-frequency source to the overheadlines is presented in this paper. Based on the distribution parameter lines model, the effectof the transition resistance for the fault loation of the line is taken into account. The digitalsimulation results show that a better precision for the distance measurement is obtained byusing the method. |
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| Keywords: | distribution network fault fault location |
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