{"title":"Sensitive method for detection of winding deformation during short circuit test","authors":"S. Gopalakrishna, M. Ilampoornan, V. Jayashankar","doi":"10.1109/ISEIM.2008.4664444","DOIUrl":null,"url":null,"abstract":"The mechanical strength and integrity of the transformer windings is established by short circuit test. Reactance comparison method and frequency response analysis methods are conventionally used to assess the failures. Concurrent application of various high frequency excitations has also been tested. We show that optimized multisine excitation has the potential of high sensitivity towards displacement identification.","PeriodicalId":158811,"journal":{"name":"2008 International Symposium on Electrical Insulating Materials (ISEIM 2008)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2008-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2008 International Symposium on Electrical Insulating Materials (ISEIM 2008)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISEIM.2008.4664444","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
The mechanical strength and integrity of the transformer windings is established by short circuit test. Reactance comparison method and frequency response analysis methods are conventionally used to assess the failures. Concurrent application of various high frequency excitations has also been tested. We show that optimized multisine excitation has the potential of high sensitivity towards displacement identification.
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