Wide-Input-Voltage-Range Dual-Output GaN-based Isolated DC-DC Converter for Aerospace Applications

被引：0

作者：

Liu, Xingye ^{[1
]}

Burgos, Rolando ^{[1
]}

Sun, Bingyao ^{[1
]}

Boroyevich, Dushan ^{[1
]}

机构：

[1] Virginia Tech, Ctr Power Elect Syst, Blacksburg, VA 24061 USA

来源：

2017 THIRTY SECOND ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2017年

关键词：

Wide input range; GaN; DC/DC converter; CLAMP;

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 presents the in-depth design of an isolated dc-dc power converter for aerospace applications rated at 30 W, dual 15 V dc outputs, 10-80 V input, switching at 1 MHz and using enhancement-mode GaN power transistors. A recently proposed three-switch active-clamp flyback topology is chosen as an effective means to deal with the large input voltage variation, and meet the high efficiency target at full load (>90 %). A planar transformer is designed and optimized according to the desired converter operating mode. The paper presents additionally the full evaluation of the converter under varying voltage and load conditions, demonstrating a peak efficiency of 92.4 % and a power density of 40 W/in(3).

引用

页码：279 / 286

页数：8

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