Research on Stress Distribution Characteristics of GIS Basin Insulator Under Structural Defects

LYU Bin; ZHAO Junping; ZHANG Qiaogen; YANG Huchen; ZHAI Yongqing; LI Yuling; WANG Chanqiong; SHEN Qingbin

doi:10.13296/j.1001-1609.hva.2020.07.016

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Research on Stress Distribution Characteristics of GIS Basin Insulator Under Structural Defects

更新时间：2025-04-26

- Research on Stress Distribution Characteristics of GIS Basin Insulator Under Structural Defects
- High VoltageApparatus Vol. 56, Issue 7, Pages: 109-115(2020)
- 作者机构：
  
  1. 西安交通大学电气设备电气绝缘国家重点实验室
  2. 国网山西省电力公司长治供电公司
  3. 国网山西省电力公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.07.016
  CLC： TM216
- Published：2020
- 稿件说明：
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[1]吕滨,赵军平,张乔根,杨虎臣,翟永庆,李育灵,王婵琼,申庆斌.结构缺陷下GIS盆式绝缘子应力分布特性研究[J].高压电器,2020,56(07):109-115.

LYU Bin, ZHAO Junping, ZHANG Qiaogen, et al. Research on Stress Distribution Characteristics of GIS Basin Insulator Under Structural Defects[J]. High voltageapparatus, 2020, 56(7): 109-115.
[1]吕滨,赵军平,张乔根,杨虎臣,翟永庆,李育灵,王婵琼,申庆斌.结构缺陷下GIS盆式绝缘子应力分布特性研究[J].高压电器,2020,56(07):109-115. DOI： 10.13296/j.1001-1609.hva.2020.07.016.

LYU Bin, ZHAO Junping, ZHANG Qiaogen, et al. Research on Stress Distribution Characteristics of GIS Basin Insulator Under Structural Defects[J]. High voltageapparatus, 2020, 56(7): 109-115. DOI： 10.13296/j.1001-1609.hva.2020.07.016.

摘要

盆式绝缘子是GIS的重要组成部件

在异常受力时可能导致结构缺陷的产生和发展

甚至造成严重的事故。为了研究盆式绝缘子在不同工况下的力学性能

采用有限元软件Ansys对252 k V盆式绝缘子正常及带有典型缺陷情况下的应力应变分布情况进行仿真计算

并对正常盆式绝缘子水压试验的应变分布进行测试

与仿真结果进行了对照。结果表明

盆式绝缘子仿真得到的应力分布与水压试验结果相吻合

验证了仿真结果的准确性。此外

存在结构缺陷时

绝缘子最大应力超过正常状态的2倍

且表面缺陷的危害程度大于内部缺陷。

Abstract

Basin insulator is an important component of GIS

which may lead to the emergence and development of structural defects and even serious accidents under abnormal loads. In order to study the mechanical properties of basin insulators under different working conditions

the stress-strain distribution of 252 k V basin insulators under normal and typical defects was simulated by using finite element software Ansys. The strain distribution of normal basin insulators under hydraulic test was tested and compared with the simulation results. The results show that the stress distribution obtained by the simulation of the basin insulator coincides with the hydraulic test results

which verifies the accuracy of the simulation results. In addition

when there are typical defects

the maximum stress of insulators is morethantwicethenon-defectstate

and the damage caused by surface defects is greater than that of internal defects.

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