{"title":"高功率因数调谐D类变换器","authors":"H. Seidel","doi":"10.1109/PESC.1988.18241","DOIUrl":null,"url":null,"abstract":"An approach for achieving high power factor in a zero-current/zero-voltage-switching tuned converter is presented. A tuned 90 degrees C phase shift section at the switching frequency fundamental of the Class D converter is used to render the power line into a current source. As a result, rectification occurs over the full AC cycle, drawing a constant line current over each half cycle. A 93%-power-factor, 1700 W, 300 kHz converter is discussed to demonstrate practicability.<<ETX>>","PeriodicalId":283605,"journal":{"name":"PESC '88 Record., 19th Annual IEEE Power Electronics Specialists Conference","volume":"19 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1988-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"28","resultStr":"{\"title\":\"A high power factor tuned Class D converter\",\"authors\":\"H. Seidel\",\"doi\":\"10.1109/PESC.1988.18241\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An approach for achieving high power factor in a zero-current/zero-voltage-switching tuned converter is presented. A tuned 90 degrees C phase shift section at the switching frequency fundamental of the Class D converter is used to render the power line into a current source. As a result, rectification occurs over the full AC cycle, drawing a constant line current over each half cycle. A 93%-power-factor, 1700 W, 300 kHz converter is discussed to demonstrate practicability.<<ETX>>\",\"PeriodicalId\":283605,\"journal\":{\"name\":\"PESC '88 Record., 19th Annual IEEE Power Electronics Specialists Conference\",\"volume\":\"19 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-04-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"28\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"PESC '88 Record., 19th Annual IEEE Power Electronics Specialists Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/PESC.1988.18241\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"PESC '88 Record., 19th Annual IEEE Power Electronics Specialists Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PESC.1988.18241","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
An approach for achieving high power factor in a zero-current/zero-voltage-switching tuned converter is presented. A tuned 90 degrees C phase shift section at the switching frequency fundamental of the Class D converter is used to render the power line into a current source. As a result, rectification occurs over the full AC cycle, drawing a constant line current over each half cycle. A 93%-power-factor, 1700 W, 300 kHz converter is discussed to demonstrate practicability.<>
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