Analysis and Implementation of a Soft Switching Cuk Converter

被引:0
|
作者
Lin, Bor-Ren [1 ]
Chao, Chia-Hung [1 ]
Huang, Chien-Lan [1 ]
机构
[1] Univ Missouri, Power Elect Res Ctr, Columbia, MO 65211 USA
关键词
Zero-Voltage Switching (ZVS); Active Clamp Circuit; Cuk Converter; FLYBACK CONVERTER; DESIGN; EXPERIMENTATION; RECTIFIER;
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
A soft switching pulse-width modulation (PWM) Cuk converter with boost type of active clamp is proposed Active clamp circuit can help the switching devices in the Cuk converter to be operated at zero voltage switching (ZVS) turn-on. Therefore this converter is suitable for high frequency operation to reduce the size of reactive components. The clamp capacitor and auxiliary switch are connected in parallel with the primary switch. When main switch is turned off the positive inductor current will flow through the anti-parallel diode of auxiliary switch. At this instant, the auxiliary switch can turn on at ZVS. The principle of operation, system analysis, and design consideration are presented in this paper. Experimental results for a laboratory prototype rated at 400W, input voltage of 150V similar to 300V, output voltage of 200V, and operating at 105kHz are given to demonstrate the effectiveness of the proposed converter. Copyright (C) 2011 Praise Worthy Prize - All rights reserved
引用
收藏
页码:80 / 88
页数:9
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