Full-bridge soft switching PWM converter with saturable inductors at the secondary side

被引：20

作者：

Kwon, BH ^{[1
]}

Kim, JH ^{[1
]}

Jeong, GY ^{[1
]}

机构：

[1] Pohang Univ Sci & Technol, Dept Elect & Elect Engn, Pohang 790784, South Korea

来源：

IEE PROCEEDINGS-ELECTRIC POWER APPLICATIONS | 1999年 / 146卷 / 01期

关键词：

D O I：

10.1049/ip-epa:19990189

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：

An improved full-bridge (FB) soft switching DC-to-DC converter with saturable inductors at the secondary side is presented and analysed. The main devices are switched on under zero-voltage conditions using the energy stored in the secondary saturable inductors. On the other hand, the secondary diodes are switched off under zero-current conditions due to the large inductance of the saturable inductors when it is not saturated. The advantages of this converter include a wide load range with zero-voltage-switching (ZVS) and zero-current-switching (ZCS), a large effective duty ratio, and no secondary voltages spikes, in addition to high power density and high efficiency. Experimental results obtained on a 6kW prototype are discussed.

引用

页码：117 / 122

页数：6

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