{"title":"A Soft-Switched Semi Dual Active Half Bridge Converter With Voltage Match Trapezoidal Modulation Control","authors":"Liting Li;Mei Su;Guo Xu;Li Jiang;Yonglu Liu","doi":"10.1109/TCSII.2024.3452727","DOIUrl":null,"url":null,"abstract":"To address the demands for a wide voltage range and high efficiency in unidirectional low power applications, a semi dual active half bridge (DAHB) converter with soft switching capability and a voltage match trapezoidal modulation (VM-TZM) control are proposed. This converter has the fewest number of active switches among existing dual active bridge converters. With the proposed control law, the converter always works under voltage match condition, effectively decoupling the control variables while achieving low root-mean-square current. Besides, the active switches can realize zero-voltage-switching (ZVS) on and the diode can obtain zero-current-switching (ZCS) off within full working range. These characteristics and benefits of the proposed converter and control law are validated through an experimental prototype.","PeriodicalId":13101,"journal":{"name":"IEEE Transactions on Circuits and Systems II: Express Briefs","volume":"72 1","pages":"303-307"},"PeriodicalIF":4.9000,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Transactions on Circuits and Systems II: Express Briefs","FirstCategoryId":"5","ListUrlMain":"https://ieeexplore.ieee.org/document/10663270/","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
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Abstract
To address the demands for a wide voltage range and high efficiency in unidirectional low power applications, a semi dual active half bridge (DAHB) converter with soft switching capability and a voltage match trapezoidal modulation (VM-TZM) control are proposed. This converter has the fewest number of active switches among existing dual active bridge converters. With the proposed control law, the converter always works under voltage match condition, effectively decoupling the control variables while achieving low root-mean-square current. Besides, the active switches can realize zero-voltage-switching (ZVS) on and the diode can obtain zero-current-switching (ZCS) off within full working range. These characteristics and benefits of the proposed converter and control law are validated through an experimental prototype.
期刊介绍：
TCAS II publishes brief papers in the field specified by the theory, analysis, design, and practical implementations of circuits, and the application of circuit techniques to systems and to signal processing. Included is the whole spectrum from basic scientific theory to industrial applications. The field of interest covered includes:
Circuits: Analog, Digital and Mixed Signal Circuits and Systems
Nonlinear Circuits and Systems, Integrated Sensors, MEMS and Systems on Chip, Nanoscale Circuits and Systems, Optoelectronic
Circuits and Systems, Power Electronics and Systems
Software for Analog-and-Logic Circuits and Systems
Control aspects of Circuits and Systems.
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