{"title":"新型带磁放大器的软开关全桥变换器","authors":"M. Brkovic, A. Pietkiewicz, Slobodan Cuk","doi":"10.1109/INTLEC.1994.396661","DOIUrl":null,"url":null,"abstract":"A novel full-bridge DC-to-DC converter combines the functions of the lossless soft-switching and secondary side PWM output voltage regulation at constant-switching frequency. The primary side switches of the bridge are driven at constant frequency and near 50% duty ratios with small dead-times, while the output voltage is regulated by PWM control of the magnetic amplifiers on the secondary side. The proposed converter exhibits soft-switching for no-load to full load conditions and maintains high overall efficiency. Experimental results obtained on 300 W, 48 V prototype operated from 300 VDC confirm those features.<<ETX>>","PeriodicalId":123164,"journal":{"name":"Proceedings of Intelec 94","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1994-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"18","resultStr":"{\"title\":\"Novel soft-switching full-bridge converter with magnetic amplifiers\",\"authors\":\"M. Brkovic, A. Pietkiewicz, Slobodan Cuk\",\"doi\":\"10.1109/INTLEC.1994.396661\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A novel full-bridge DC-to-DC converter combines the functions of the lossless soft-switching and secondary side PWM output voltage regulation at constant-switching frequency. The primary side switches of the bridge are driven at constant frequency and near 50% duty ratios with small dead-times, while the output voltage is regulated by PWM control of the magnetic amplifiers on the secondary side. The proposed converter exhibits soft-switching for no-load to full load conditions and maintains high overall efficiency. Experimental results obtained on 300 W, 48 V prototype operated from 300 VDC confirm those features.<<ETX>>\",\"PeriodicalId\":123164,\"journal\":{\"name\":\"Proceedings of Intelec 94\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1994-10-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"18\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of Intelec 94\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/INTLEC.1994.396661\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of Intelec 94","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/INTLEC.1994.396661","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Novel soft-switching full-bridge converter with magnetic amplifiers
A novel full-bridge DC-to-DC converter combines the functions of the lossless soft-switching and secondary side PWM output voltage regulation at constant-switching frequency. The primary side switches of the bridge are driven at constant frequency and near 50% duty ratios with small dead-times, while the output voltage is regulated by PWM control of the magnetic amplifiers on the secondary side. The proposed converter exhibits soft-switching for no-load to full load conditions and maintains high overall efficiency. Experimental results obtained on 300 W, 48 V prototype operated from 300 VDC confirm those features.<>
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