A Current-Stress-Optimized Design Method for Dual Active Bridge Converters With Improved ZVS Capability Under Wide Output Voltage Conditions

被引：0
|
作者：
Zhang, Hongwei [1 ]
Liu, Zeng [1 ]
Song, Ying [1 ]
Han, Pengcheng [1 ]
Liu, Jinjun [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect Engn, State Key Lab Elect Insulat & Power Equipment, Xian 710049, Peoples R China
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2024年 / 71卷 / 06期
关键词：
Stress; Switches; Zero voltage switching; Voltage; Magnetomechanical effects; Optimized production technology; Inductance; Current stress; dual active bridge (DAB); magnetic component parameter optimization; soft switching; triple-phase-shift (TPS) control; wide output voltage; DC-DC CONVERTER; MODULATION SCHEME;
D O I：
10.1109/TIE.2023.3292861
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 dual active bridge (DAB) converters, the current stress seriously impacts the switching losses, and thus is tightly relevant to the efficiency. This article proposes a design method for the parameters of magnetic components, i.e., the inductance and the turns ratio of DAB converters, which is on the basis of an optimal triple-phase-shift control. The objective of this method is to minimize the current stress to the utmost extent and ensuring the soft switching under specific wide output voltage conditions, thus greatly improving the efficiency. At beginning, a mathematical model of the current stress is established in this article. Then, the optimization method of the parameters of magnetic components is classified into two cases according to the given operating conditions, and the boundaries and constraints of both cases are presented. Finally, an intuitive design process of magnetic components is presented. The effectiveness of the proposed design method is verified by experimental results.
引用
收藏
页码：5807 / 5817
页数：11
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