Online sealing of SF6 leak for Gas insulated switchgear

SF6 gas leak is a common issue that needs to be addressed for Gas insulated switchgear (GIS). In this paper, typical gas leaking defects of GIS are described with the reason leading to them. A cost-effective online sealing technology based on adhesion and gas diversion is established and a case stud...

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Published inIOP conference series. Earth and environmental science Vol. 514; no. 4; pp. 42021 - 42027
Main Authors Du, Baoshuai, Zhang, Zhongwen, Qiao, Yaxia, Suo, Shuai, Luo, Hongjian, Li, Xinmei
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.05.2020
Subjects
Gas leaks
GIS
online sealing
Sealing
SF6 leak
Switchgear
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Summary:SF6 gas leak is a common issue that needs to be addressed for Gas insulated switchgear (GIS). In this paper, typical gas leaking defects of GIS are described with the reason leading to them. A cost-effective online sealing technology based on adhesion and gas diversion is established and a case study is presented. Besides, an analytical model which can be used to predict the pressure evolution for the leaking component as well as in the sealing zone is proposed. It has been shown that this technique can be applied to sealing SF6 gas leak of GIS components with different shape and structure.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/514/4/042021