基于APFC和谐振技术的高性能开关电源的设计与实现
Design of a High-performance SMPS with APFC Based on Resonant Topology
摘要
提出了一种双级电路结构的开关电源设计方案。前级采用APFC电路,实现了低输入电流谐波;后级采用LLC谐振电路,利用变压器的励磁电感,可使变换器在宽输入范围内实现开关。试验结果证明,可实现较高的功率因数和效率。
Abstract
This paper presents a two-stage structure of SMPS. APFC circuit achieved low input current distortion,LLC resonant converter realized soft-switching over the entire operating ,magnetizing inductance of transformer is utilized to widen input range.The expe
关键词
APFC/谐振变换/软开关Key words
APFC/Resonant convert/Soft switching topology引用本文复制引用
出版年
2011