Analysis of inductive component influence factors of grounding impedance of substation grounding grid

HE Zhi-qiang1; WU Ming-wei2; MAO Wen-qi3

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Analysis of inductive component influence factors of grounding impedance of substation grounding grid

更新时间：2025-11-18

- Analysis of inductive component influence factors of grounding impedance of substation grounding grid
- Vol. 29, Issue 2, Pages: 20-24(2009)
- 作者机构：
  
  1. 湖南省电力公司试验研究院
  2. 湖南省电力公司怀化电业局
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM862
- Published：2009
- 稿件说明：
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[1]何智强,吴明伟,毛文奇.变电站地网接地阻抗感性分量影响因素分析[J].湖南电力,2009,29(02):20-24.

HE Zhi-qiang1, WU Ming-wei2, MAO Wen-qi3. Analysis of inductive component influence factors of grounding impedance of substation grounding grid[J]. 2009, 29(2): 20-24.
[1]何智强,吴明伟,毛文奇.变电站地网接地阻抗感性分量影响因素分析[J].湖南电力,2009,29(02):20-24. DOI：

HE Zhi-qiang1, WU Ming-wei2, MAO Wen-qi3. Analysis of inductive component influence factors of grounding impedance of substation grounding grid[J]. 2009, 29(2): 20-24. DOI：

摘要

随着电力系统容量的不断增大

接地网发生故障时的入地电流也将随之增大。考虑到入地电流实际上是交流电流

此时接地系统上的电位不仅含有阻性分量

而且含有感性分量。传统的接地设计并未考虑接地阻抗中的感性分量。基于此

计算分析了不同地网面积、地网优化、入地电流频率、不同土壤电阻率、不同电流注入点等情况下接地阻抗感性分量的影响。

Abstract

Along with increasingly large electrical power system capacity

the earth current in grounding grid fault is also increasing.Considered the earth current is alternating current

the potential on the grounding system is composed of not only the resistant component but also the inductive component

while the traditional earth design docks didn’t consider the inductive component.To correct this

the influence of different conditions such as grounding grid area

ground network optimization

earth current frequency

electrical resistivity

and different current injection points on inductive component of grounding impedance were calculated and analyzed in this paper.

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Related Author

HE Zhi-qiang

ZHOU Wei-hua

ZANG Yuan-da

HOU Chang-jan

LU Sheng-ming

HONG Wen-guo

MAO Wen-qi

JIANG Zheng-long

Related Institution

湖南省电力勘测设计院湖南长沙410007

Hunan Electric Power Design Institute

湖南省电力试验研究院湖南长沙410007

Hunan Electric Power Test and Research Institute

Huaihua Water Conservancy Electric Power Investigation Design Institute

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