The Novel Quasi-Resonant Flyback Converter With Autoregulated Structure for Parallel/Serial Input

被引：10
|
作者：
Wang, Jian-Min [1 ]
Lin, Chih-Wei [1 ]
Huang, Kai-Yu [1 ]
Wong, Jing-Sheng [1 ]
机构：
[1] Natl Formosa Univ, Dept Vehicle Engn, Huwei 63201, Yunlin, Taiwan
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2020年 / 67卷 / 02期
关键词：
Current mode; flyback; quasi-resonant; ACTIVE CLAMP; BOOST CONVERTER; DESIGN; DC;
D O I：
10.1109/TIE.2019.2902827
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a novel quasi-resonant flyback converter that mainly comprises two modules of flyback converters is proposed. A relay is connected in series to the input terminals of two transformers, and the transformer input structure is adjusted according to the input voltage to improve the conversion efficiency. In addition, a novel frequency-limiting quasi-resonant control strategy for solving the limitations of the conventional quasi-resonant control strategies is proposed, wherein the switching frequency is increased under light load conditions. Here, the current-mode pulsewidth modulation IC is used as the core controller. The operating principle and design parameters of the converter are analyzed and discussed in detail. The experimental results prove the feasibility of the proposed circuit.
引用
收藏
页码：992 / 1004
页数：13
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