{"title":"Study on estimate approach of flashover voltage in oil gap under non-uniform field","authors":"M. Yamada, T. Okamoto, A. Kurahashi","doi":"10.1109/EIC.1982.7464484","DOIUrl":null,"url":null,"abstract":"An estimate method of flashover voltage in oil gap under non-uniform field is proposed. The method is deduced on the base of the n power law for V-d characteristic confirmed experimentally under uniform field. The method developed in this paper enables the V-d characteristics of oil gaps under various electric field distribution to be calculated. The comparison of calculation with experiments in corner-plane, rod-rod, rod-plane electrode and coil insulation models of transformer are summarized. The V-d characteristics obtained by this method agree approximately with experimental results.","PeriodicalId":422317,"journal":{"name":"1982 IEEE International Conference on Electrical Insulation","volume":"86 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1982-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1982 IEEE International Conference on Electrical Insulation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EIC.1982.7464484","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
An estimate method of flashover voltage in oil gap under non-uniform field is proposed. The method is deduced on the base of the n power law for V-d characteristic confirmed experimentally under uniform field. The method developed in this paper enables the V-d characteristics of oil gaps under various electric field distribution to be calculated. The comparison of calculation with experiments in corner-plane, rod-rod, rod-plane electrode and coil insulation models of transformer are summarized. The V-d characteristics obtained by this method agree approximately with experimental results.
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