A Hybrid-bridge based Dual Active Bridge DC/DC Converter with Compact Structure

被引：1
|
作者：
Wu, Jiahui [1 ]
Liu, Dong [1 ]
Wang, Yanbo [1 ]
Chen, Zhe [1 ]
机构：
[1] Aalborg Univ, Dept Energy Technol, Aalborg, Denmark
来源：
2020 IEEE 21ST WORKSHOP ON CONTROL AND MODELING FOR POWER ELECTRONICS (COMPEL) | 2020年
关键词：
dual-active-bridge (DAB) converter; three-level (TL) bridge; reduced device count (RDC); zero-voltage-switching (ZVS); DC-DC CONVERTER; POWER; EFFICIENCY;
D O I：
10.1109/compel49091.2020.9265699
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a new hybrid-bridge based active bridge (DAB) converter is proposed for interfacing the low-voltage and medium voltage in the DC grids. The proposed converter is composed of a two-level full-bridge and a three-level half-bridge circuit, which only has eight power switches in total. Comparing with the conventional hybrid-bridge based DAB converter with diode-clamped TL bridge, the proposed converter reduces the main device count by removing the clamping diodes. Thus, the proposed converter has a more compact circuit structure and a lower cost. Besides, the proposed converter can achieve the zero-voltages-witching (ZVS) for both primary-side and secondary-side power switches. The basic operation principle, characteristics, and performances of the proposed converter are analyzed in detail. Finally, the simulation results are provided to verify the proposed converter.
引用
收藏
页码：310 / 315
页数：6
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