{"title":"Battery charger with small DC-link capacitors for G2V applications","authors":"Hoang Vu Nguyen, Yoon-Cheul Jeung, Dong-Choon Lee","doi":"10.1109/ICSET.2016.7811802","DOIUrl":null,"url":null,"abstract":"In this paper, an AC/DC converter with a small DC-link capacitor for EV chargers is proposed, where a bridgeless PFC (power factor correction) boost rectifier and a full-bridge phase-shifted-modulated DC-DC converter are employed to transfer power from the grid to the electric vehicle. In order to solve the inherent problem of the second-order ripple power in a single-phase AC/DC converter, an auxiliary circuit is added, by which the DC-link capacitor can be reduced significantly. As a result, the bulky electrolytic capacitor can be replaced by a reliable film capacitor. The effectiveness of the proposed method has been verified by simulation results.","PeriodicalId":164446,"journal":{"name":"2016 IEEE International Conference on Sustainable Energy Technologies (ICSET)","volume":"63 1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE International Conference on Sustainable Energy Technologies (ICSET)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICSET.2016.7811802","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
In this paper, an AC/DC converter with a small DC-link capacitor for EV chargers is proposed, where a bridgeless PFC (power factor correction) boost rectifier and a full-bridge phase-shifted-modulated DC-DC converter are employed to transfer power from the grid to the electric vehicle. In order to solve the inherent problem of the second-order ripple power in a single-phase AC/DC converter, an auxiliary circuit is added, by which the DC-link capacitor can be reduced significantly. As a result, the bulky electrolytic capacitor can be replaced by a reliable film capacitor. The effectiveness of the proposed method has been verified by simulation results.
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