High-efficiency boost half-bridge converter with fast boost current transferring ZVS operation

被引：7

作者：

Lee, Sung Sae ^{[1
]}

Moon, Gun Woo ^{[2
]}

机构：

[1] KARI, Taejon, South Korea

[2] Korea Adv Inst Sci & Technol, Dept Elect & Comp Sci, Taejon 305701, South Korea

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2008年 / 23卷 / 04期

关键词：

DC-DC power conversion; power distribution; power supplies; power system harmonics; pulsewidth modulation (PWM);

D O I：

10.1109/TPEL.2008.924625

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 new boost half bridge (BHB) converter is presented. It is composed of additional switch, diode and coupled winding to boost inductor of BHB converter. Using the transferring of boost inductor current to coupled winding in a short period, the cancellation of zero voltage switching (ZVS) current, which always occurs in convention one, is prevented. Therefore, the ZVS operation is easily achieved by leakage inductor current of transformer. Furthermore, since negatively build-up leakage inductor current of boost winding helps the ZVS operation throughout full load range, the excellent ZVS operation and high efficiency is achieved.

引用

页码：1822 / 1829

页数：8

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