{"title":"一种新型软开关高降压正激变换器","authors":"Sung-Pei Yang, Shin-Ju Chen, Chao-Ming Huang, Chih-En Chen","doi":"10.1109/IESES.2018.8349854","DOIUrl":null,"url":null,"abstract":"A novel soft-switching high step-down forward (SSHSDF) converter is proposed in this paper. The proposed converter consists of two two-switch high step-down forward cells (TS-HSDFCs). Their inputs and outputs are cascode and parallel connected, respectively, to share the input voltage and output current. The two switches of the proposed SSHSDF converter can also be turned on under zero-voltage switching (ZVS) condition. The proposed converter is thus suitable for high input voltage, high output current and high efficiency applications. Moreover, based on the operating principle of the proposed converter, all the features of the proposed can be achieved. Finally, a switching frequency 100 kHz and output power 200∼1000 W prototype of proposed converter is implemented. The theoretical analysis is thus verified by experimental results. It shows that the proposed converter has the highest efficiency of 95.6 %.","PeriodicalId":146951,"journal":{"name":"2018 IEEE International Conference on Industrial Electronics for Sustainable Energy Systems (IESES)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A novel soft-switching high step-down forward converter\",\"authors\":\"Sung-Pei Yang, Shin-Ju Chen, Chao-Ming Huang, Chih-En Chen\",\"doi\":\"10.1109/IESES.2018.8349854\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A novel soft-switching high step-down forward (SSHSDF) converter is proposed in this paper. The proposed converter consists of two two-switch high step-down forward cells (TS-HSDFCs). Their inputs and outputs are cascode and parallel connected, respectively, to share the input voltage and output current. The two switches of the proposed SSHSDF converter can also be turned on under zero-voltage switching (ZVS) condition. The proposed converter is thus suitable for high input voltage, high output current and high efficiency applications. Moreover, based on the operating principle of the proposed converter, all the features of the proposed can be achieved. Finally, a switching frequency 100 kHz and output power 200∼1000 W prototype of proposed converter is implemented. The theoretical analysis is thus verified by experimental results. It shows that the proposed converter has the highest efficiency of 95.6 %.\",\"PeriodicalId\":146951,\"journal\":{\"name\":\"2018 IEEE International Conference on Industrial Electronics for Sustainable Energy Systems (IESES)\",\"volume\":\"31 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 IEEE International Conference on Industrial Electronics for Sustainable Energy Systems (IESES)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IESES.2018.8349854\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 IEEE International Conference on Industrial Electronics for Sustainable Energy Systems (IESES)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IESES.2018.8349854","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A novel soft-switching high step-down forward converter
A novel soft-switching high step-down forward (SSHSDF) converter is proposed in this paper. The proposed converter consists of two two-switch high step-down forward cells (TS-HSDFCs). Their inputs and outputs are cascode and parallel connected, respectively, to share the input voltage and output current. The two switches of the proposed SSHSDF converter can also be turned on under zero-voltage switching (ZVS) condition. The proposed converter is thus suitable for high input voltage, high output current and high efficiency applications. Moreover, based on the operating principle of the proposed converter, all the features of the proposed can be achieved. Finally, a switching frequency 100 kHz and output power 200∼1000 W prototype of proposed converter is implemented. The theoretical analysis is thus verified by experimental results. It shows that the proposed converter has the highest efficiency of 95.6 %.
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