High Performance Boost PFP (Power Factor Pre-Regulator) with an improved ZVT (Zero Voltage Transition) converter

被引：0
|
作者：
Kim, JH [1 ]
Lee, DY [1 ]
Choi, HS [1 ]
Cho, BH [1 ]
机构：
[1] Seoul Natl Univ, Sch Elect Engn, Power Elect Syst Lab, Seoul 151, South Korea
来源：
APEC 2001: SIXTEENTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, VOLS 1 AND 2 | 2001年
关键词：
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：
In this paper, the conventional ZVT PWM Boost converter is improved to minimize the switching loss of the auxiliary switch using the minimum number of the components. To reduce the switching loss and EMI noise, the saturable core and the parallel capacitor across the clamp diode (D2) are used in the auxiliary switching network Using this technique, soft-switching for the auxiliary switch is guaranteed at wide line and load ranges. Since the active switches are turned on and off softly, the switching losses are reduced significantly and the higher efficiency of the system is achieved. This paper proposes the improved ZVT PWM Boost PFP. The prototype of 200kHz 1kW system was implemented to show the improved performance.
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页码：337 / 342
页数：6
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