1.5 kW Isolated Bi-directional DC-DC Converter with a Flyback Snubber

被引：0
|
作者：
Wu, T. -F. [1 ]
Chen, Y. -C. [1 ]
Yang, J. -G. [1 ]
Huang, Y. -C. [1 ]
Shyu, S. -S. [2 ]
Lee, C. -L. [2 ]
机构：
[1] Natl Chung Cheng Univ, Dept Elect Engn, EPARC, Chiayi 621, Taiwan
[2] Inst Nucl Energy Res, Taoyuan 325, Taiwan
来源：
2009 INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND DRIVE SYSTEMS, VOLS 1 AND 2 | 2009年
关键词：
Flyback Converters; Isolated Full-bridge Bidirectional Converter; Soft Start-up;
D O I：
暂无
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：
An isolated bi-directional full-bridge DC-DC converter with high conversion ratio, high output power andsoft start-up capability for battery charging/discharging is proposed in this paper. The use of a capacitor and a flyback converter can clamp the voltage spike caused by the current difference between the current-fed inductor and leakage inductance of the isolation transformer, and can reduce the current flowing through the active switches at the current-fed side. Operational principle of the proposed converter is first described, and the design equation is then derived. A 1.5 kW prototype with low-side voltage of 48V and high-side voltage of 360V has been implemented, from which experimental results have verified its feasibility.
引用
收藏
页码：514 / +
页数：2
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