{"title":"Single partial discharge in nonuniform electric field for different polymer dielectrics","authors":"O. Emelyanov, Pavel Kliuiko, M. Shemet","doi":"10.1109/ICD.2016.7547826","DOIUrl":null,"url":null,"abstract":"The first single partial discharges under ramp voltage are investigated in submillimetric air gaps and nonuniform field. Several polymer films with different thicknesses are used as a dielectric barrier: 12- and 100-μm polyethylene terephthalate films, 28-μm polyimide film, 6- and 12-μm polypropylene films. The inception voltage (breakdown voltage) and the discharge current are registered. The parameters of the accumulated surface charges measured by a rotating capacitive probe are presented. The surface charge patterns obtained by means of the dust figure method are shown. Probable mechanisms of the discharge development are discussed.","PeriodicalId":306397,"journal":{"name":"2016 IEEE International Conference on Dielectrics (ICD)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE International Conference on Dielectrics (ICD)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICD.2016.7547826","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
The first single partial discharges under ramp voltage are investigated in submillimetric air gaps and nonuniform field. Several polymer films with different thicknesses are used as a dielectric barrier: 12- and 100-μm polyethylene terephthalate films, 28-μm polyimide film, 6- and 12-μm polypropylene films. The inception voltage (breakdown voltage) and the discharge current are registered. The parameters of the accumulated surface charges measured by a rotating capacitive probe are presented. The surface charge patterns obtained by means of the dust figure method are shown. Probable mechanisms of the discharge development are discussed.
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