基于零序功率方向的中性点不接地系统在线故障定位

ZHANG Li; YANG Peng; SI Dongmei; QI Chao; YANG Yihan

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基于零序功率方向的中性点不接地系统在线故障定位

更新时间：2025-08-13

- 基于零序功率方向的中性点不接地系统在线故障定位
- Automation of Electric Power Systems Vol. 32, Issue 17, Pages: 79-82(2008)
- 作者机构：
  
  1. 华北电力大学电气工程学院,北京市,102206
  2. 北京机械工业学院,北京市,100085
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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ZHANG Li, YANG Peng, SI Dongmei, et al. [J]. Automation of electric power systems, 2008, 32(17): 79-82.
DOI：

ZHANG Li, YANG Peng, SI Dongmei, et al. [J]. Automation of electric power systems, 2008, 32(17): 79-82. DOI：

摘要

提出了基于零序功率方向的在线故障定位方法，判断故障和非故障路径上零序电压和零序电流的相位差，利用全球定位系统（GPS）的秒脉冲为相位获取提供基准，借助通用分组无线业务（GPRS）传送相位信息，实现配电网在线故障定位。物理模型实验证明了该方法的有效性。

Abstract

A new method for online fault location based on the zero-sequence power direction is presented， in which the phase error of zero-sequence voltage and current on faulty line and healthy line is calculated. The GPS second pulse is used as the time base for phase acquisition while the phase information is transmitted via the general packet radio service（GPRS）. The proposed method is proved effective by physical experiment.

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