Fundamental Duty Modulation of Dual-Active-Bridge Converter for Universal Reduced Conduction

被引:0
作者
Choi, Wooin [1 ]
Cho, Bo-Hyung [1 ]
机构
[1] Seoul Natl Univ, Dept Elect & Comp Engn, Seoul 151600, South Korea
来源
2015 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2015年
关键词
DC-DC CONVERTER; POWER; SYSTEM;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
This paper proposes a modulation scheme for a dual-active-bridge (DAB) converter to reduce current conduction in wide-range operating conditions. The operating principle of the proposed fundamental duty modulation (FDM) is formulated based on the fundamental component analysis (FCA) of the DAB converter. By modulating the PWM signals in the fundamental component domain, the circulating current can be reduced to the minimum level. With the proposed FDM, the controller implementation can be much simpler than the other conventional modulation schemes maintaining high efficiency especially at light load condition. The proposed scheme features smooth transitions against load change since it does not require an operating mode classification or off-line calculations. Furthermore, the proposed method does not require current information. The experimental results for verification of the proposed modulation scheme show efficiency improvements and smooth transient responses.
引用
收藏
页码:615 / 622
页数:8
相关论文
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