Discussion on Measuring Method for Power-frequency Ground Resistance of Transmission Line Poles and Towers

Du Yang Li Longjiang

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Discussion on Measuring Method for Power-frequency Ground Resistance of Transmission Line Poles and Towers

更新时间：2025-11-18

- Discussion on Measuring Method for Power-frequency Ground Resistance of Transmission Line Poles and Towers
- Issue 6, Pages: 10-12(2005)
- 作者机构：
  
  1. 达州电业局
  2. 达州电业局四川达州635000
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM862
- Published：2005
- 稿件说明：
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[1]杜洋,李龙江.线路杆塔工频接地电阻测量方法的探讨[J].四川电力技术,2005(06):10-12.

Du Yang Li Longjiang. Discussion on Measuring Method for Power-frequency Ground Resistance of Transmission Line Poles and Towers[J]. 2005, (6): 10-12.
[1]杜洋,李龙江.线路杆塔工频接地电阻测量方法的探讨[J].四川电力技术,2005(06):10-12. DOI：

Du Yang Li Longjiang. Discussion on Measuring Method for Power-frequency Ground Resistance of Transmission Line Poles and Towers[J]. 2005, (6): 10-12. DOI：

摘要

讨论了线路杆塔工频接地电阻测量方法

通过现场用接地摇表法（三极法）和钳表法对不同地形、不同电压等级线路杆塔接地电阻测量对比

发现钳表法测量误差极大

且误差无规律可循

无法修正

必须引起同行们的高度重视。通过对比

认为三极法测量比较准确。

Abstract

The methods to measure power-frequency ground resistance of transmission line towers and poles have been discussed.Comparing the ground resistance measurements of different topographic position and different voltage level by using ground megger（3-pole method） and clamp meter in the site

it is found that the measuring error of clamp meter is great and the error has no regular pattern to be followed and cannot be corrected

so much attention should be paid to these points.Through comparison

the measurement of 3-pole method is regarded as the more accurate one.

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