{"title":"A novel three-phase quasi-resonant DC link inverter","authors":"J.-W. Lee, S. Sul, M. Park","doi":"10.1109/IAS.1991.178331","DOIUrl":null,"url":null,"abstract":"A three-phase quasi-resonant DC link inverter (QRI), which adopts the resonant circuit with one additional switch, is proposed. The circuit states for given switching and load current states in the inverter are analyzed, and then an equivalent circuit seen from the inverter input side is derived. By using this equivalent circuit the QRI is analyzed, and two control techniques, which are the initial current control technique of resonant inductor and the initial voltage control technique of resonant capacitor, are presented in order to obtain the desirable oscillation of resonant link irrespective of inverter operation. The operating characteristics of QRI are verified through both simulations and experiments.<<ETX>>","PeriodicalId":294244,"journal":{"name":"Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting","volume":"27 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1991-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IAS.1991.178331","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 8
Abstract
A three-phase quasi-resonant DC link inverter (QRI), which adopts the resonant circuit with one additional switch, is proposed. The circuit states for given switching and load current states in the inverter are analyzed, and then an equivalent circuit seen from the inverter input side is derived. By using this equivalent circuit the QRI is analyzed, and two control techniques, which are the initial current control technique of resonant inductor and the initial voltage control technique of resonant capacitor, are presented in order to obtain the desirable oscillation of resonant link irrespective of inverter operation. The operating characteristics of QRI are verified through both simulations and experiments.<>
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