{"title":"Analysis of the startup method for building up DC voltage via body diode rectifying in Dual Active Bridge converter","authors":"Zhonghua Zhu, Yongai Zheng, Yu Fang, Pan Xu","doi":"10.1109/PEAC.2014.7038071","DOIUrl":null,"url":null,"abstract":"This paper analyzes the necessity of establishing the dc bus voltage of the Dual Active Bridge (Dual Active Bridge, DAB) converter when starting up. And the startup method that the DC-bus voltage is built up only by high-voltage-side body diode of the DAB converter rectifying is proposed in the paper. The detailed steps and the software realization method are elaborated. The saturation phenomenon of the inductor and the current surge can be effectively avoided in this way and the method presented in this paper implemented only by digital control, so this method does not need to add extra hardware. Finally, the experimental results verify the method.","PeriodicalId":309780,"journal":{"name":"2014 International Power Electronics and Application Conference and Exposition","volume":"16 6","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2014 International Power Electronics and Application Conference and Exposition","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PEAC.2014.7038071","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
This paper analyzes the necessity of establishing the dc bus voltage of the Dual Active Bridge (Dual Active Bridge, DAB) converter when starting up. And the startup method that the DC-bus voltage is built up only by high-voltage-side body diode of the DAB converter rectifying is proposed in the paper. The detailed steps and the software realization method are elaborated. The saturation phenomenon of the inductor and the current surge can be effectively avoided in this way and the method presented in this paper implemented only by digital control, so this method does not need to add extra hardware. Finally, the experimental results verify the method.
本文分析了双有源桥式(Dual Active Bridge, DAB)变换器启动时建立直流母线电压的必要性。提出了仅靠DAB变换器的高压侧体二极管整流来建立直流母线电压的启动方法。阐述了具体步骤和软件实现方法。这种方法可以有效地避免电感的饱和现象和电流浪涌，而且本文的方法仅通过数字控制实现，因此不需要增加额外的硬件。最后，通过实验验证了该方法的有效性。
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