Measurement Method and Applicability Analysis of Transmission Line Tower Power Frequency Grounding Resistance in Mountainous Area

ZENG Huarong; MA Xiaohong; XU Kui; ZENG Peng; LIU Yu; GUO Wangwang

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Measurement Method and Applicability Analysis of Transmission Line Tower Power Frequency Grounding Resistance in Mountainous Area

更新时间：2025-11-18

- Measurement Method and Applicability Analysis of Transmission Line Tower Power Frequency Grounding Resistance in Mountainous Area
- Vol. 39, Issue 3, Pages: 66-69(2019)
- 作者机构：
  
  1. 贵州电网有限责任公司电力科学研究院
  2. 武汉大学
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM934.1
- Published：2019
- 稿件说明：
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[1]曾华荣,马晓红,许逵,曾鹏,刘宇,郭望旺.山区输电线路杆塔工频接地电阻测量方法及适用性分析[J].湖南电力,2019,39(03):66-69.

ZENG Huarong, MA Xiaohong, XU Kui, et al. Measurement Method and Applicability Analysis of Transmission Line Tower Power Frequency Grounding Resistance in Mountainous Area[J]. 2019, 39(3): 66-69.
[1]曾华荣,马晓红,许逵,曾鹏,刘宇,郭望旺.山区输电线路杆塔工频接地电阻测量方法及适用性分析[J].湖南电力,2019,39(03):66-69. DOI：

ZENG Huarong, MA Xiaohong, XU Kui, et al. Measurement Method and Applicability Analysis of Transmission Line Tower Power Frequency Grounding Resistance in Mountainous Area[J]. 2019, 39(3): 66-69. DOI：

摘要

在贵州的山区条件下

用传统的三极法测量输电线路杆塔的工频接地电阻存在很大的操作难度

通过对比测量杆塔工频接地电阻的几种方法

包括三极法（摇表法）、钳表法和回路法等

比较了不同接地电阻测量方法下测得工频接地电阻的差异

从原理上分析了实际测量中产生误差的原因

并通过三极法和回路法实际测量220 k V台白线中的4基杆塔

对比了回路法和三极法的差异

建议了回路法测量杆塔工频接地电阻的使用要求

对实际工作中测量杆塔工频接地电阻有重要的指导意义。

Abstract

In the mountainous area of Guizhou Province

it is difficult to measure the power frequency grounding resistance of transmission line poles and towers by the traditional three electrode method. This paper compares several methods of measuring tower grounding resistance

including three electrode method

clamp meter method and looping method

and compares the difference of grounding resistance measured under different grounding resistance measurement methods

analyzes the error reason from actual measurement. Four towers in 220 k V Taibai line are measured by three electrode method and loop method to compare their difference. The requirements of using loop method to measure grounding resistance are specified and it has important guiding significance for measuring grounding resistance in practical work.

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Simulation analysis on error of grounding resistance measurement using clamp meter for transmission towers

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ZHOU Hui-ru

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Hunan Electric Power Corporation Xiangxi Electric Power company,Jishou

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