Bidirectional Parallel Low-Voltage Series High-Voltage DAB-based Converter Analysis and Design

被引：3
|
作者：
Serban, Emanuel [1 ,2 ]
Pondiche, Cosmin [2 ]
Wassmuth, Juergen [2 ]
Ordonez, Martin [1 ]
机构：
[1] Univ British Columbia, Elect & Comp Engn, Vancouver, BC, Canada
[2] EnerSys, Power Elect Energy Syst, Burnaby, BC, Canada
来源：
2022 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC | 2022年
关键词：
Dual active bridge; parallel low-voltage and series high-voltage DAB-based converter; common-mode current; DC-DC CONVERTER;
D O I：
10.1109/APEC43599.2022.9773669
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The system requirements of galvanic isolation with bidirectional energy flow capability create new opportunities for research and development in power conversion with applications in renewable and energy storage systems. A dual active bridge converter derivation topology with transformer parallel low-voltage (LV) and series high-voltage ( HV) windings connected to three full-bridges is investigated in this research work. The common-mode current circulation, which leads to increased electromagnetic emissions, has been reduced within the DAB-based converter through the proposed design approach. The design methodology aims for magnetics comparison and modulator design for soft-switching power conversion operation. The parallel-LV and series- HV DAB-based converter has been evaluated with two different transformers. The typical designs for high-current transformer windings are with copper foil. The drawbacks of high interwinding capacitance have reduced by five times through a specific transformer construction. The experimental results show improved results with respect to electromagnetic emissions. Furthermore, the DAB-based converter has been compared in hard-switching and soft-switching operation with respect to electromagnetic emissions. The experimental results have been performed using a 5kW rated power DAB-based converter with silicon carbide (SiC) power semiconductors.
引用
收藏
页码：107 / 114
页数：8
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