Analysis of Inductive Component of Grounding Impedance at Substation

DOU Xin; HE Jin-liang; ZENG Rong; ZHANG Bo

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Analysis of Inductive Component of Grounding Impedance at Substation

更新时间：2025-04-26

- Analysis of Inductive Component of Grounding Impedance at Substation
- High VoltageApparatus Issue 4, Pages: 245-246(2004)
- 作者机构：
  
  1. 清华大学电机工程与应用电子技术系
  2. 清华大学电机工程与应用电子技术系北京100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM862
- Published：2004
- 稿件说明：
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[1]窦鑫,何金良,曾嵘,张波.变电所接地阻抗的感性分量分析[J].高压电器,2004(04):245-246.

DOU Xin, HE Jin-liang, ZENG Rong, et al. Analysis of Inductive Component of Grounding Impedance at Substation[J]. High voltageapparatus, 2004, (4): 245-246.
[1]窦鑫,何金良,曾嵘,张波.变电所接地阻抗的感性分量分析[J].高压电器,2004(04):245-246. DOI：

DOU Xin, HE Jin-liang, ZENG Rong, et al. Analysis of Inductive Component of Grounding Impedance at Substation[J]. High voltageapparatus, 2004, (4): 245-246. DOI：

摘要

接地网接地阻抗中感性分量与接地网规模、土壤电阻率、电流注入点位置等因素有关。但是否需要考虑接地阻抗中的感性分量

应根据地网规模和土壤电阻率加以判断。一般来说

地网的边长大于400m

土壤电阻率小于100Ω·m时

应考虑感性分量。

Abstract

The inductive component of substation’s grounding impedance is related to the size of the grounding system

soil resistivity and the injecting point of measuring current.Whether the inductive component should be considered is decided by the scale of the grounding system and soil resistivity.Ordinarily

when the side length of the grounding system exceeds400m

and soil resistivity is smaller than100Ω·m

it should be considered.

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