Single-Stage Interleaved Buck-Boost-LLC Resonant Converter with Wide Input Voltage Range for Railway and Medical Applications

被引：3
|
作者：
Jhu, Jing-Ye [1 ]
Lin, Yuan-Chih [1 ]
Chen, Ching-Jan [1 ]
机构：
[1] Natl Taiwan Univ, Dept Elect Engn, Taipei, Taiwan
来源：
2021 IEEE INTERNATIONAL FUTURE ENERGY ELECTRONICS CONFERENCE (IFEEC) | 2021年
关键词：
interleaved-buck-boost converter; LLC resonant converter; wide input voltage range; digital control;
D O I：
10.1109/IFEEC53238.2021.9662038
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper proposed a single-stage interleaved buck-boost-LLC resonant converter to achieve a wide input voltage range up to 8 times of minimum input voltage for railway and medical applications. In this paper, analysis of the proposed converter is performed and presented, including operation principles, gain characteristics, and achievable input voltage range. Zero-voltage switching (ZVS) conditions and the range of switches are also analyzed. Experimental results of a prototype converter with 20-160 V input and 12 V/4 A output verifies the analysis and the accuracy of proposed dc gain equations.
引用
收藏
页数：8
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