A novel buck converter with soft-switching transition

被引：2
|
作者：
Choi, HC [1 ]
机构：
[1] Inje Univ, Dept Elect Engn, Kimhae 621749, South Korea
来源：
INTERNATIONAL JOURNAL OF ELECTRONICS | 2002年 / 89卷 / 03期
关键词：
Current voltage characteristics - Electric losses - Electric network synthesis - Electromagnetic wave interference - Pulse width modulation - Semiconductor diodes - Switching circuits;
D O I：
10.1080/00207210210122541
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 novel soft-switched pulsewidth-modulation (PWM) buck converter is proposed in this paper, aimed at combining the desirable features of both the conventional PWM and resonant converters. In this proposed scheme, an auxiliary circuit is added to the conventional buck converter and used to achieve soft-switching for both the main switch and the freewheeling diode while not incurring any additional losses due to the auxiliary circuit itself. The operation of the converter is explained and analysed, and design guidelines are presented. To validate the feasibility of the proposed converter, a 100 kHz, 180 W prototype is implemented and tested.
引用
收藏
页码：221 / 232
页数：12
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