Interleaved boost power factor corrector operating in discontinuous-inductor-current mode

被引：0
|
作者：
Chan, CH
Pong, MH
机构：
来源：
PROCEEDINGS OF THE POWER CONVERSION CONFERENCE - NAGAOKA 1997, VOLS I AND II | 1997年
关键词：
D O I：
10.1109/EOSESD.1997.634269
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：
This paper presents the basic operation of the Discontinuous-Inductor-Current-Mode (DICM) boost PFC and the improvement achieved by interleaving technique. The PFC is constructed by at least two boost cells, each cell is kept running in DICM. Input current of the PFC is analyzed by numerical method and the optimum power factor is calculated in different modes of operation. The calculated result is verified by experiment and presented in graphical form with detailed discussion. The result shows that interleaving technique can alleviate the ripple current and improve the power factor. The improvement is obvious for the number of boost cells equal to 2 or 3 and the ripple alleviation is better when the PFC is operated in fixed frequency mode. The optimum power factor is improved up to 0.99 even without an input filter.
引用
收藏
页码：405 / 410
页数：6
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