Research on the Method of Eliminating the Mutual-inductance in Grounding Impedance Measurements

DUANMU Linnan; ZHAO Xijing; CAI Wei; PENG Long; MA Xinsheng; ZHAO Yuan; LI Yu

doi:10.13296/j.1001-1609.hva.2015.11.023

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Research on the Method of Eliminating the Mutual-inductance in Grounding Impedance Measurements

更新时间：2025-04-26

- Research on the Method of Eliminating the Mutual-inductance in Grounding Impedance Measurements
- High VoltageApparatus Vol. 51, Issue 11, Pages: 140-145(2015)
- 作者机构：
  
  1. 华北电力科学研究院有限责任公司
  2. 国网冀北电力有限公司电力科学研究院
  3. 中国水利电力对外公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.11.023
  CLC： TM862;TM934.7
- Published：2015
- 稿件说明：
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[1]端木林楠,赵习静,蔡巍,彭珑,马鑫晟,赵媛,李雨.变电站地网接地阻抗测量中互感消除方法研究[J].高压电器,2015,51(11):140-145.

DUANMU Linnan, ZHAO Xijing, CAI Wei, et al. Research on the Method of Eliminating the Mutual-inductance in Grounding Impedance Measurements[J]. High voltageapparatus, 2015, 51(11): 140-145.
[1]端木林楠,赵习静,蔡巍,彭珑,马鑫晟,赵媛,李雨.变电站地网接地阻抗测量中互感消除方法研究[J].高压电器,2015,51(11):140-145. DOI： 10.13296/j.1001-1609.hva.2015.11.023.

DUANMU Linnan, ZHAO Xijing, CAI Wei, et al. Research on the Method of Eliminating the Mutual-inductance in Grounding Impedance Measurements[J]. High voltageapparatus, 2015, 51(11): 140-145. DOI： 10.13296/j.1001-1609.hva.2015.11.023.

摘要

为了消除变电站地网接地阻抗测试过程中电压线和电流线间互感对测试结果的影响

提出了测量变电站地网接地阻抗时的一种计算方法

用于消除互感对测量结果的影响。对于大学城110 k V变电站进行了实测

并对电压线、电流线之间的互感值与地网接地阻抗真实值的比值进行了计算。通过计算值与真实值的对比验证了计算方法的有效性。对大学城110 k V变电站接地阻抗中阻性、感性分量进行了分析。

Abstract

In order to eliminate the mutual-inductance between the current wire and voltage wire in the measurement of grounding impedance

this article presents a calculation method to eliminate the affect of the mutual-inductance.The Daxuecheng 110 k V substation is measured

and the mutual-inductance between the voltage line and the current line is compared with the testing results. The resistive and the inductive components of the Daxuecheng 110 k V substation grounding system are analyzed.

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HE Jin-liang

Related Institution

China International Water & Electric Corporation

North China Electric Power Research Institute Co.,Ltd.

Shanghai Dafan Power Equipment Co.,Ltd.

Electric Power Research Institute,State Grid Jibei Electric Power Co.,Ltd.

Department of Electrical Engineering,Tsinghua University

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