M. Akizuki, O. Fujii, S. Ito, T. Irie, S. Nishimura
{"title":"A study on anti-contamination design of suspension insulators-a stress grading insulator","authors":"M. Akizuki, O. Fujii, S. Ito, T. Irie, S. Nishimura","doi":"10.1109/PESS.2002.1043238","DOIUrl":null,"url":null,"abstract":"Insulator contamination is one of many serious problems for power systems. Outages due to insulator contamination flashover may affect a wide area and continue for a long time. Also, the corona noise causes radio and TV interference. Therefore, efforts have been made by many around the world to prevent such phenomena. Presently, fog type and semi-conducting glaze insulators have been developed, and successfully used. However, the former cannot suppress the corona and the latter has a subject to study from the viewpoint of thermal stability in heavy contamination conditions. A new concept insulator, with a stress graded zone on the bottom surface, has been studied. It has been determined that a dry band is not formed on this stress graded zone and a long dry band is formed at the first rib. This means the insulator has a high discharge starting voltage and high contamination withstand voltage.","PeriodicalId":117177,"journal":{"name":"IEEE Power Engineering Society Summer Meeting,","volume":"203 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2002-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Power Engineering Society Summer Meeting,","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PESS.2002.1043238","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
Insulator contamination is one of many serious problems for power systems. Outages due to insulator contamination flashover may affect a wide area and continue for a long time. Also, the corona noise causes radio and TV interference. Therefore, efforts have been made by many around the world to prevent such phenomena. Presently, fog type and semi-conducting glaze insulators have been developed, and successfully used. However, the former cannot suppress the corona and the latter has a subject to study from the viewpoint of thermal stability in heavy contamination conditions. A new concept insulator, with a stress graded zone on the bottom surface, has been studied. It has been determined that a dry band is not formed on this stress graded zone and a long dry band is formed at the first rib. This means the insulator has a high discharge starting voltage and high contamination withstand voltage.
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