Discrimination Analysis for Single-phase Ground Fault in 10 kV Ungrounded System

Li Fei

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Discrimination Analysis for Single-phase Ground Fault in 10 kV Ungrounded System

更新时间：2026-02-13

- Discrimination Analysis for Single-phase Ground Fault in 10 kV Ungrounded System
- Vol. 43, Issue 5, Pages: 53-55(2020)
- 作者机构：
  
  锦屏水力发电厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM73
- Published：2020
- 稿件说明：
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Li Fei. Discrimination Analysis for Single-phase Ground Fault in 10 kV Ungrounded System[J]. 2020, 43(5): 53-55.
DOI：

Li Fei. Discrimination Analysis for Single-phase Ground Fault in 10 kV Ungrounded System[J]. 2020, 43(5): 53-55. DOI：

摘要

采用电路理论分析以及数学公式推导

分析了10 k V不接地系统单相接地故障时接地相特征

并通过一起实际事故案例

结合故障录波及CAD软件分析

提出一种新的判别不接地系统单相接地故障时接地相的方法。

Abstract

The circuit theory analysis and mathematical formula derivation are used to analyze the characteristics of single － phase ground fault in 10 kV ungrounded system． Combined with the analysis of fault recording and CAD software in a practical accident case，a new method of judging the fault phase for single － phase ground fault in 10 kV ungrounded system is proposed．

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Discrimination Analysis for Single-phase Ground Fault in 10 kV Ungrounded System

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