{"title":"A comprehensive study of neutral-point voltage balancing problem in three-level neutral-point-clamped voltage source PWM inverters","authors":"N. Celanovic, D. Boroyevich","doi":"10.1109/APEC.1999.749733","DOIUrl":null,"url":null,"abstract":"This paper explores the fundamental limitations of neutral-point voltage balancing problem for different loading conditions of three level voltage source inverters. A new model in DQ coordinate frame utilizing current switching functions is developed, as a means to investigate theoretical limitations and lend more intuitive insight into the problem. The low frequency ripple of the neutral point caused by certain loading conditions is observed and quantified.","PeriodicalId":287192,"journal":{"name":"APEC '99. Fourteenth Annual Applied Power Electronics Conference and Exposition. 1999 Conference Proceedings (Cat. No.99CH36285)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1999-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"935","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"APEC '99. Fourteenth Annual Applied Power Electronics Conference and Exposition. 1999 Conference Proceedings (Cat. No.99CH36285)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APEC.1999.749733","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 935
Abstract
This paper explores the fundamental limitations of neutral-point voltage balancing problem for different loading conditions of three level voltage source inverters. A new model in DQ coordinate frame utilizing current switching functions is developed, as a means to investigate theoretical limitations and lend more intuitive insight into the problem. The low frequency ripple of the neutral point caused by certain loading conditions is observed and quantified.
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