Design Considerations for PPS Controlled Current-Fed DAB Converter to Achieve Full Load Range ZVS and Low Inductor Current Stress

被引：15
作者：
Guo, Jing [1 ,2 ]
Han, Hua [1 ,2 ]
Xu, Guo [1 ,2 ]
Cai, Zhiqiang [3 ]
Wang, Hui [1 ,2 ]
Sun, Yao [1 ,2 ]
Su, Mei [1 ,2 ]
机构：
[1] Cent South Univ, Sch Automat, Changsha 410083, Peoples R China
[2] Hunan Prov Key Lab Power Elect Equipment & Grid, Changsha 410083, Peoples R China
[3] Hikvis Headquarters, Hangzhou 310051, Peoples R China
来源：
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2021年 / 57卷 / 06期
关键词：
Zero voltage switching; Inductance; Inductors; Bridge circuits; Voltage; Voltage control; Phase modulation; Current-fed dual active bridge (CFDAB); parameter optimization design; pulse width modulation plus phase shift (PPS) control; soft-switching analysis; DC-DC CONVERTER; EFFICIENCY; MODULATION; GAIN;
D O I：
10.1109/TIA.2021.3116541
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Current-fed dual active bridge dc-dc converters are suited for renewable energy systems such as solar photovoltaic and fuel cells, due to the advantages of small input current ripple and wide input voltage range. In this article, a current-fed dual active bridge dc-dc converter based on pulse width modulation plus phase shift control is studied. The working principle and zero-voltage switching (ZVS) conditions of the converter are analyzed in depth, and it is proved mathematically for the first time that all switches can naturally achieve ZVS independently of dc inductance and leakage inductance under a wide input voltage range within full load range. Based on maximum power transfer, peak current, and root mean square (RMS) current analysis, optimal dc inductance and leakage inductance design to obtain low inductor RMS current is proposed. In addition, the detailed loss breakdown was implemented by comparing it with the nonoptimized case. The effectiveness of the theoretical analysis and design method has been verified by experimental results.
引用
收藏
页码：6261 / 6276
页数：16
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