Yiqi Dang, Z. Hao, Baohui Zhang, Zhengyuan Li, Hongxiang Xu, C. Yan, Wenzhe Chen, Xian Yang, Dan Zhou
{"title":"The analysis of frequency spectrum of oil pressure signal in transformer external fault","authors":"Yiqi Dang, Z. Hao, Baohui Zhang, Zhengyuan Li, Hongxiang Xu, C. Yan, Wenzhe Chen, Xian Yang, Dan Zhou","doi":"10.1109/APPEEC.2016.7779765","DOIUrl":null,"url":null,"abstract":"When testing transformer is under an external short circuit fault, its wall will get rapid oil pressure fluctuation. This signal changes in a certain law, and it reflects some non-electrical parameter feature of the situation of transformer external short circuit fault. Using the method of experiment testing, this article analyze a 110kV transformer's oil pressure signal feature, and get some conclusion about its harmonic distribution.","PeriodicalId":117485,"journal":{"name":"2016 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"126 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APPEEC.2016.7779765","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
When testing transformer is under an external short circuit fault, its wall will get rapid oil pressure fluctuation. This signal changes in a certain law, and it reflects some non-electrical parameter feature of the situation of transformer external short circuit fault. Using the method of experiment testing, this article analyze a 110kV transformer's oil pressure signal feature, and get some conclusion about its harmonic distribution.
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