A Low-Current Ripple and Wide Voltage-Gain Range Bidirectional DC-DC Converter With Coupled Inductor

被引：26
|
作者：
Zhang, Yun [1 ]
Liu, Heyu [1 ]
Li, Jing [2 ]
Sumner, Mark [3 ]
机构：
[1] Tianjin Univ, Sch Elect & Informat Engn, Tianjin 300072, Peoples R China
[2] Univ Nottingham Ningbo China, Dept Elect & Elect Engn, Ningbo 315100, Peoples R China
[3] Univ Nottingham, Dept Elect & Elect Engn, Nottingham NG7 2RD, England
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2020年 / 35卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Bidirectional dc-dc converter; coupled inductor; high conversion ratio; low-current ripple (LCR) structure; low-voltage stress; wide voltage-gain range; ELECTRIC VEHICLES;
D O I：
10.1109/TPEL.2019.2921570
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：
In this paper, a bidirectional dc-dc converter with coupled inductor is proposed. The proposed converter can achieve a wide voltage-gain range by turning the ratios of windings of the coupled inductor. Furthermore, the voltage stresses across the power switches are reduced. By employing a low-current ripple structure, a tiny input/output current ripple can be achieved, which can avoid larger filters. In addition, the common ground structure between the grounds of the input and the load sides can avoid extra du/dt issues. A prototype rated at 400 W/300 V has been developed and the maximum efficiency of the proposed converter was measured as 94.2%. Experimental results are presented to validate the effectiveness of the proposed converter.
引用
收藏
页码：1525 / 1535
页数：11
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