Design and Control for High Efficiency in High Step-Down Dual Active Bridge Converters Operating at High Switching Frequency

被引：136

作者：

Costinett, Daniel ^{[1
]}

Maksimovic, Dragan ^{[1
]}

Zane, Regan ^{[2
]}

机构：

[1] Univ Colorado, Dept Elect Comp & Energy Engn, Boulder, CO 80309 USA

[2] Utah State Univ, Dept Elect & Comp Engn, Logan, UT 84322 USA

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2013年 / 28卷 / 08期

关键词：

Automatic voltage control; DC-DC power converters; energy efficiency; zero voltage switching; DC-DC CONVERTER; POWER; STRATEGY; CIRCUIT;

D O I：

10.1109/TPEL.2012.2228237

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：

A control scheme is developed to maximize efficiency over a wide range of loads for a dual active bridge converter. A simple control circuit using only phase-shift modulation is proposed which considers both the converter conversion ratio and switching dead times in order to maintain high efficiency in the presence of varying loads. To demonstrate feasibility of the proposed control method, experimental results are presented for a 150-to-12 V, 120-W, 1-MHz prototype converter which has 97.4% peak efficiency andmaintains greater than 90% efficiency over a load range between 20 and 120 W.

引用

页码：3931 / 3940

页数：10

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