Automatic Detection Method of Closing State for Disconnector Based on Ground Lidar

LIU Yan; ZOU Yang; TAN Shuning; LONG Guohua; ZHANG Rui; SHEN Xiaojun

doi:10.13296/j.1001-1609.hva.2022.06.027

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Automatic Detection Method of Closing State for Disconnector Based on Ground Lidar

更新时间：2025-04-26

- Automatic Detection Method of Closing State for Disconnector Based on Ground Lidar
- High VoltageApparatus Vol. 58, Issue 6, Pages: 193-198(2022)
- 作者机构：
  
  1. 国网江西省电力有限公司电力科学研究院
  2. 国网江西省电力有限公司南昌供电分公司
  3. 同济大学电气工程系
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2022.06.027
  CLC： TN958.98;TM564.1
- Published：2022
- 稿件说明：
移动端阅览
LIU Yan, ZOU Yang, TAN Shuning, et al. Automatic Detection Method of Closing State for Disconnector Based on Ground Lidar[J]. High voltageapparatus, 2022, 58(6): 193-198.
DOI：

LIU Yan, ZOU Yang, TAN Shuning, et al. Automatic Detection Method of Closing State for Disconnector Based on Ground Lidar[J]. High voltageapparatus, 2022, 58(6): 193-198. DOI： 10.13296/j.1001-1609.hva.2022.06.027.

摘要

隔离开关合闸不到位是危害电网安全运行的重要因素之一。针对目前缺乏快速有效的隔离开关合闸状态非接触自动检测技术的问题，文中以单臂水平伸缩式隔离开关为例，分析隔离开关运动过程，利用地面激光雷达获取隔离开关导电臂点云数据，对数据进行排序、分组及拟合，获得导电臂方向向量，提出了基于导电臂方向向量夹角的隔离开关合闸状态检测方法，开发了自动测量工具，并将该方法及工具运用于现场检测。现场试验结果表明，提出的检测方法及工具可实现隔离开关合闸状态的自动检测。该方法为隔离开关合闸状态的带电非接触检测提供了一种新的技术手段。

Abstract

The insufficient closing of disconnector is one of important factors that endanger the safe operation of power grid. Aiming at the lack of fast and effective non-contact automatic detection technology of the closing state of disconnector

the single-arm horizontal pantograph disconnector is taken as an example to analyze the movement process of disconnector. The cloud data of conductive arm point of disconnector is obtained by the use of the ground lidar. The data is sorted

grouped and fitted so to obtain the direction vector of the conductive arm. Moreover

a method for detecting the closing state based on vectorial angle of conductive arm direction of disconnector is proposed

and automatic measurement tools are developed and used in inspection at site. The field test results show that the proposed detection method and tools can achieve automatic detection of the closing state of the disconnector. This method provides a new technical means for live non-contact detection of the closing state of the disconnector.

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