Research on Vibration Detection Technology of GIS Mechanical Defects

YANG Jinggang; LIU Yuan; SONG Siqi; WU Bang; LI Junhao

doi:10.13296/j.1001-1609.hva.2018.11.011

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Research on Vibration Detection Technology of GIS Mechanical Defects

更新时间：2025-04-26

- Research on Vibration Detection Technology of GIS Mechanical Defects
- High VoltageApparatus Vol. 54, Issue 11, Pages: 86-90(2018)
- 作者机构：
  
  1. 国网江苏省电力有限公司电力科学研究院
  2. 西安交通大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.11.011
  CLC： TM855
- Published：2018
- 稿件说明：
移动端阅览
[1]杨景刚,刘媛,宋思齐,吴邦,李军浩.GIS设备机械缺陷的振动检测技术研究[J].高压电器,2018,54(11):86-90.

YANG Jinggang, LIU Yuan, SONG Siqi, et al. Research on Vibration Detection Technology of GIS Mechanical Defects[J]. High voltageapparatus, 2018, 54(11): 86-90.
[1]杨景刚,刘媛,宋思齐,吴邦,李军浩.GIS设备机械缺陷的振动检测技术研究[J].高压电器,2018,54(11):86-90. DOI： 10.13296/j.1001-1609.hva.2018.11.011.

YANG Jinggang, LIU Yuan, SONG Siqi, et al. Research on Vibration Detection Technology of GIS Mechanical Defects[J]. High voltageapparatus, 2018, 54(11): 86-90. DOI： 10.13296/j.1001-1609.hva.2018.11.011.

摘要

气体绝缘组合电器（gas insulated switchgear

GIS）在运行过程中除了电气缺陷外

还会产生机械缺陷。GIS机械缺陷的产生主要是由于其导电回路存在接触不良所导致

运行过程中GIS的机械缺陷会导致设备产生机械振动

长期的机械振动会导致设备漏气、抗震性能下降甚至导致电气缺陷的产生

影响设备的安全运行。文中针对GIS设备机械缺陷的振动法检测

分析了运行过程中GIS振动信号的来源。在实验室构建了隔离开关接触不良缺陷

研究了其在大电流作用下的振动信号特征

结果表明

GIS振动信号的基频为100 Hz

当存在隔离开关接触不良等机械缺陷时

会导致其外壳振动信号幅值增加

其中200 Hz及300 Hz分量会显著增加。利用GIS外壳振动检测可有效实现GIS设备机械状态的带电检测。

Abstract

Mechanical defects of gas insulated switchgear（GIS）is mainly caused by poor contact in its high voltage conducting circuit. The mechanical defects of GIS will cause mechanical vibration of the equipment during operation.Long-term mechanical vibration will leading to equipment leakage

seismic performance degradation or even electri-cal defects

thus harm safe operation of the equipment. In this study

the vibration detection technology of GIS me-chanical defects was researched through analyzing the source of GIS vibration signal during operation. And poor con-tact defect of the isolating switch was constructed in laboratory to understand its vibration signal characteristics un-der the action of large current. The results show that: the fundamental frequency of the GIS vibration signal is 100 Hz;When there is a mechanical defect

such as poor contact of the isolating switch

the vibration signal amplitude of theGIS enclosure increases

and the 200 Hz and 300 Hz components increase significantly. Therefore

live detection of mechanical state of GIS equipment can be effectively realized via GIS enclosure vibration detection.

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