An improved family of ZVS-PWM active-clamping DC-to-DC converters

被引：82
|
作者：
Duarte, CMC [1 ]
Barbi, I
机构：
[1] Univ Catolica Pelotas, BR-96010000 Pelotas, Brazil
[2] Univ Fed Santa Catarina, INEP, Power Electron Inst, BR-88040970 Florianopolis, SC, Brazil
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2002年 / 17卷 / 01期
关键词：
active-clamping; dc-to-dc converters; soft-switching;
D O I：
10.1109/63.988661
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 family of dc-to-dc converters featuring clamping action, PWM modulation and soft-switching (ZVS) in both active and passive switches, is proposed to overcome the limitations of clamped mode dc-to-dc converters. The new family of converters is generated and the new circuits are presented. As the resonant circuits absorb all parasitic reactances, including transistor output capacitance and diode junction capacitance, these converters are suitable for high-frequency operation. Principle of operation, of Boost converter, theoretical analysis, simulation and experimental results are presented, taken from a laboratory prototype rated at 1600 W, input voltage of 300 V, output voltage of 400 V, and operating at 100 kHz. The measured efficiency at full load was 98%.
引用
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页码：1 / 7
页数：7
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