Novel zero-voltage and zero-current-switching full bridge PWM converter using transformer auxiliary winding

被引：73
|
作者：
Cho, JG [1 ]
Baek, JW [1 ]
Jeong, CY [1 ]
Yoo, DW [1 ]
Joe, KY [1 ]
机构：
[1] Korea Electrotechnol Res Inst, Power Elect Res Grp, Chang Won 641120, South Korea
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2000年 / 15卷 / 02期
关键词：
insulated gate bipolar transistor; switching converter; zero current switching; zero voltage;
D O I：
10.1109/63.838097
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 zero voltage and zero current switching (ZVZCS) full bridge (FB) pulse width modulation (PWM) converter is proposed to improve the demerits of the previously presented ZVZCS-FB-PWM converters [5]-[8], such as, use of lossy components or additional active switches. A simple auxiliary circuit which includes neither lossy components nor active switches provides ZVZCS conditions to primary switches, ZVS for leading-leg switches and ZCS for lagging-leg switches. Many advantages including simple circuit topology, high efficiency, and low cost make the new converter attractive for high power (>2 kW) applications. The operation, analysis, features and design considerations are illustrated and verified on a 2.5 kW, 100 kHz insulated gate bipolar transistor (IGBT) based experimental circuit.
引用
收藏
页码：250 / 257
页数：8
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