Optimal Design Methodology of Bidirectional Dual Active Bridge Series Resonant DC/DC Converter

被引:2
|
作者
Wang, Shien [1 ]
Zheng, Zedong [1 ]
Li, Yongdong [1 ]
机构
[1] Tsinghua Univ, Dept Elect Engn, Beijing, Peoples R China
来源
2019 IEEE 13TH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND DRIVE SYSTEMS (PEDS) | 2019年
关键词
D O I
10.1109/peds44367.2019.8998856
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
This paper presents an accurate frequency model of dual active bridge series resonant DC/DC converter. Different from the conventional first harmonic approximation method, this steady-state model considers all the harmonic components, which gives accurate expression of transfer power and resonant current. Then strict soft switching criterion can be derived with precise mathematical calculation. On top of that, a converter loss model is derived, and then the total loss is optimized by particle swarm optimization to obtain the optimal parameters. A 1000-W laboratory prototype was set up to verify the analysis.
引用
收藏
页数:5
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