Research on detection of slope grounding grid of mountain substation by transient electromagnetic method

CAO Min; LI Jia-qi; BI Zhi-zhou; ZHANG Lin-shan; ZHANG Chang-sheng; LI Chuan

doi:10.13873/J.1000-9787(2016)08-0054-02

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Research on detection of slope grounding grid of mountain substation by transient electromagnetic method

更新时间：2025-09-11

- Research on detection of slope grounding grid of mountain substation by transient electromagnetic method
- Vol. 35, Issue 8, Pages: 54-55+59(2016)
- 作者机构：
  
  1. 云南电网有限责任公司电力科学研究院
  2. 昆明理工大学信息工程与自动化学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2016)08-0054-02
  CLC： TM63;TM862
- Published：2016
- 稿件说明：
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[1]曹敏,李佳奇,毕志周,张林山,张长胜,李川.瞬变电磁法在山地变电站边坡接地网检测研究[J].传感器与微系统,2016,35(08):54-55+59.

CAO Min, LI Jia-qi, BI Zhi-zhou, et al. Research on detection of slope grounding grid of mountain substation by transient electromagnetic method[J]. 2016, 35(8): 54-55+59.
[1]曹敏,李佳奇,毕志周,张林山,张长胜,李川.瞬变电磁法在山地变电站边坡接地网检测研究[J].传感器与微系统,2016,35(08):54-55+59. DOI： 10.13873/J.1000-9787(2016)08-0054-02.

CAO Min, LI Jia-qi, BI Zhi-zhou, et al. Research on detection of slope grounding grid of mountain substation by transient electromagnetic method[J]. 2016, 35(8): 54-55+59. DOI： 10.13873/J.1000-9787(2016)08-0054-02.

摘要

接地网的完整对于电力系统的安全和可靠运行起到重要作用。实验地点的变电站建设在山丘上

由于边坡滑动的作用

北侧上下游挡土墙均出现了裂缝。采用瞬变电磁仪对变电站上下马道和边坡进行无损检测

通过对视电阻率成像图进行分析

反映出了实验地点的接地网结构状态。实例检测结果表明:瞬变电磁法能够高效、简便运用在在接地网无损检测。

Abstract

Complete grounding grid for safety and reliable operation of power system plays an important role.Experimental substation construction site on a hill

due to the sliding of the slope

on the north side of both upstream and downstream retaining walls had cracks. Non-destructive test on up and down slope of substation and bridleways is carried out using transient electromagnetic（ TEM） instrument

through analysis on apparent resistivity imaging map

reflects the structure of grounding grid state of experimental locations. TEM method can be efficiently and easily used in non-destructive test of grounding grid.

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references

变电站接地网导体与网格结构探测方法 [J]. 刘洋,江明亮,崔翔. 电工技术学报 . 2013(05)

测量磁感应强度诊断变电站接地网断点 [J]. 刘洋,崔翔,赵志斌. 高电压技术 . 2008(07)

复合接地网接地电阻的计算机仿真 [J]. 刘春,何俊佳,尹小根,陈俊武,欧阳军. 中国电机工程学报 . 2003(06)

接地网腐蚀和断点的诊断理论分析 [J]. 肖新华,刘华,陈先禄,张晓玲. 重庆大学学报(自然科学版) . 2001(03)

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