{"title":"Steady-state and dynamic characteristics of the Class-D power factor correction converter using magnetic coupling","authors":"H. Matsuo, F. Kurokawa, K. Yokoyama, H. Watanabe","doi":"10.1109/PCC.2002.998508","DOIUrl":null,"url":null,"abstract":"This paper presents the steady-state and dynamic characteristics of the proposed Class-D power factor correction converter. In the proposed converter, the power factor and line current distortion are improved by using the third winding of the energy-storage reactor of buck-boost converter, and the high power efficiency is achieved by the soft-switching operations of the main power switch and output rectifier diode. As a result, it is clarified that the proposed circuit satisfies the IEC 61000-3-2 Class-D against changes of load. The maximum power factor is 0.83, minimum THD is 68% and maximum power efficiency is 92% at rated condition. Furthermore, it is revealed that the superior dynamic characteristics can be obtained under this circuit condition, and that the most suitable circuit parameters are obtained in both steady-state and dynamic characteristics.","PeriodicalId":320424,"journal":{"name":"Proceedings of the Power Conversion Conference-Osaka 2002 (Cat. No.02TH8579)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the Power Conversion Conference-Osaka 2002 (Cat. No.02TH8579)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PCC.2002.998508","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper presents the steady-state and dynamic characteristics of the proposed Class-D power factor correction converter. In the proposed converter, the power factor and line current distortion are improved by using the third winding of the energy-storage reactor of buck-boost converter, and the high power efficiency is achieved by the soft-switching operations of the main power switch and output rectifier diode. As a result, it is clarified that the proposed circuit satisfies the IEC 61000-3-2 Class-D against changes of load. The maximum power factor is 0.83, minimum THD is 68% and maximum power efficiency is 92% at rated condition. Furthermore, it is revealed that the superior dynamic characteristics can be obtained under this circuit condition, and that the most suitable circuit parameters are obtained in both steady-state and dynamic characteristics.
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