{"title":"Comparison of SF/sub 6//N/sub 2/ and SF/sub 6//CO/sub 2/ gas mixtures based on the figure-of-merit concept","authors":"Y. Qiu, S. Chen, Y. Liu, E. Kuffel","doi":"10.1109/CEIDP.1988.26348","DOIUrl":null,"url":null,"abstract":"The dielectric strengths of SF/sub 6//N/sub 2/ and SF/sub 6//CO/sub 2/ gas mixtures, both with a mixing ratio of 50/50, were measured in a plane-parallel gap with a spherical protrusion on the high-voltage electrode surface, and in a gas-impregnated film insulation system with a mid-dielectric void. In both instances the dielectric strength of SF/sub 6//CO/sub 2/ was higher than that of SF/sub 6//N/sub 2/, in contrast to a uniform or quasi-uniform field gap at atmospheric pressure where SF/sub 6//N/sub 2/ is superior to SF/sub 6//CO/sub 2/. The experimental results were in good agreement with calculations using the figure-of-merit values for these two gas mixtures.<<ETX>>","PeriodicalId":149735,"journal":{"name":"1988. Annual Report., Conference on Electrical Insulation and Dielectric Phenomena","volume":"25 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1988-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1988. Annual Report., Conference on Electrical Insulation and Dielectric Phenomena","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CEIDP.1988.26348","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 7
Abstract
The dielectric strengths of SF/sub 6//N/sub 2/ and SF/sub 6//CO/sub 2/ gas mixtures, both with a mixing ratio of 50/50, were measured in a plane-parallel gap with a spherical protrusion on the high-voltage electrode surface, and in a gas-impregnated film insulation system with a mid-dielectric void. In both instances the dielectric strength of SF/sub 6//CO/sub 2/ was higher than that of SF/sub 6//N/sub 2/, in contrast to a uniform or quasi-uniform field gap at atmospheric pressure where SF/sub 6//N/sub 2/ is superior to SF/sub 6//CO/sub 2/. The experimental results were in good agreement with calculations using the figure-of-merit values for these two gas mixtures.<>
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