Study on the Discharge Characteristics on Basin-type Insulator Surface in GIS

WANG Zi-bo

doi:10.13296/j.1001-1609.hva.2013.08.011

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Study on the Discharge Characteristics on Basin-type Insulator Surface in GIS

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- Study on the Discharge Characteristics on Basin-type Insulator Surface in GIS
- High VoltageApparatus Vol. 49, Issue 8, Pages: 56-59+67(2013)
- 作者机构：
  
  华北电力大学
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.08.011
  CLC： TM595
- Published：2013
- 稿件说明：
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[1]王梓博.GIS中盆式绝缘子表面放电特性研究[J].高压电器,2013,49(08):56-59+67.

WANG Zi-bo. Study on the Discharge Characteristics on Basin-type Insulator Surface in GIS[J]. High voltageapparatus, 2013, 49(8): 56-59+67.
[1]王梓博.GIS中盆式绝缘子表面放电特性研究[J].高压电器,2013,49(08):56-59+67. DOI： 10.13296/j.1001-1609.hva.2013.08.011.

WANG Zi-bo. Study on the Discharge Characteristics on Basin-type Insulator Surface in GIS[J]. High voltageapparatus, 2013, 49(8): 56-59+67. DOI： 10.13296/j.1001-1609.hva.2013.08.011.

摘要

气体绝缘组合电器（gas insulated switchgear

GIS）在电力系统中占有重要地位

盆式绝缘子是GIS内部重要的部件

文章主要对其表面的放电特性进行了研究和探索。主要采用紫外成像技术、超声波检测技术和脉冲电流法对其整个放电过程进行了检测

通过对所得数据进行分析

得到了如下结论:①紫外光子数表现出了"饱和"特性

当电压增加到68 kV之后

继续增加电压

紫外光子数增加不明显;②在盆式绝缘子缺陷处

随着放电的加剧

带电粒子的碰撞更加激烈

发热增加

导致局部区域的体积急剧膨胀

压力增大导致超声信号不断增强。整个研究为后续GIS局部放电方面的研究提供了一定的参考。

Abstract

Gas insulated switchgears occupy an important position in the power system.Insulating spacers are important parts in GIS.A research on the surface discharge characteristics of the GIS spacer is presented in this paper

and the ultraviolet imaging technology

ultrasonic testing technology and pulse current method to test the whole discharge process are used.Based on the data analysis

the following conclusions are obtained: ① Ultraviolet photons indicator shows the "saturation" characteristic

which occurs at the voltage up to 68 kV

then ultraviolet photon number increase is not obvious even the voltage increases after 68 kV;② To the defect near to the spacer

as discharge intensifies

charged particle collision more intense

so the heat increase results in local volume expanding rapidly

the pressure increase leads to enhance the ultrasonic signal.These works provide a valuable reference for follow-up PD study of GIS.

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Related Author

SI Wen-rong1

HUANG Hua1

FU Chen-zhao1

LI Yan-ming2

LI Bin

LAN Hui-li

GAO Yuan

YE Hong-tao

Related Institution

East China Electric Power Test & Research Institute Company Limited

State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University

College of Electrical and Information Engineering,Guangxi University of Science and Technology

School of Electrical Engineering and Automation, Xiamen University of Technology

Motic(Xiamen)Electric Group Co.,Ltd.

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