Hybrid full-bridge three-level LLC resonant converter - A novel DC-DC converter suitable for fuel-cell power system

被引：150

作者：

Jin, Ke ^{[1
]}

Ruan, Xinbo ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Aero Power Sci Tech Ctr, Nanjing 210016, Peoples R China

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2006年 / 53卷 / 05期

基金：

中国国家自然科学基金;

关键词：

fuel-cell; LLC resonant converter; three-level converter; zero-current switching; zero-voltage switching;

D O I：

10.1109/TIE.2006.882020

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper proposes a novel hybrid full-bridge (H-FB) three-level (TL) LLC resonant converter. It integrates the advantages of the H-FB TL converter and the LLC resonant converter. It can operate under both three-level mode and two-level mode, so it is very suitable for wide-input-voltage-range applications, such as fuel-cell power systems. Compared with the traditional full-bridge converter, the input current ripple and output filter can be reduced. In addition, all the switches can realize zero-voltage switching from nearly zero to full load, and the switches of the TL leg sustain only half of the input voltage. Moreover, the rectifier diodes can achieve zero-current switching, and the voltage stress across them can be minimized to the output voltage. A prototype of 200-400-V input and 360-V/4-A output is built in our laboratory to verify the operation principle of the proposed converter.

引用

页码：1492 / 1503

页数：12

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