Two-Phase Interleaved Critical Mode PFC Boost Converter With Closed Loop Interleaving Strategy

被引：77
|
作者：
Xu, Xiaojun [1 ]
Liu, Wei [1 ]
Huang, Alex Q. [1 ]
机构：
[1] N Carolina State Univ, Semicond Power Elect Ctr, Raleigh, NC 27695 USA
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2009年 / 24卷 / 12期
关键词：
Boost; critical mode (CRM); interleaving; power factor correction (PFC); two phase;
D O I：
10.1109/TPEL.2009.2019824
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 a two-phase interleaved critical mode (CRM) power factor correction (PFC) boost converter with a novel closed loop interleaving technique. This new interleaving technique makes each phase work at ideally CRM. Natural current sharing and precise 180 degrees phase shift are achieved. The scheme can be easily integrated into a PFC control chip. Full-order averaged model of CRM boost is derived to analyze the stability of the converter. The loop response and stability of the closed-phase regulation loop have been analyzed. A 400 W two-phase interleaved CRM PFC boost converter prototype is built. This proposed scheme is verified by simulation and experimental results.
引用
收藏
页码：3003 / 3013
页数：11
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