中国电机工程学报2012，Vol.32Issue(30)：30-36,7.
一种具多路LED自动均流功能的反激式磁集成变换器
A Novel Flyback Converter With Automatic Current Sharing for LED-lighting Systems Dependent on Integrated Magnetic Technique
陈为 1王小博1
作者信息
- 1. 福州大学电气工程与自动化学院,福建省福州市350108
- 折叠
摘要
Abstract
The flyback power converter with multi-output LED current sharing was studied. The novel magnetics integration scheme was proposed by combining power transformer and current-sharing coupling inductor in a single magnetic core structure. With electrical and magnetic theory and electrical circuit and magnetic circuit syno simulation, the operation principle, operation waveforms and current-sharing output characteristics were analyzed in details. The analysis and experimental test results showed its excellent multi-output current-sharing behaviors and ＜3% current-sharing accuracy was ensured even with eight times load difference, which fully satisfied the requirement of engineering applications. The proposed scheme has many advantages such as advanced magnetic integration technology, simple structure, no extra current-sharing control circuit needed, higher reliability, high efficiency, high power density, lower cost and etc., and has practical applications in multi-output LED driving power supplies.关键词
LED/反激/磁集成/均流/多路/变换器Key words
LED/ flyback/ integrated magnetic/ current sharing/ multi-output/ converter分类
信息技术与安全科学引用本文复制引用
陈为,王小博..一种具多路LED自动均流功能的反激式磁集成变换器[J].中国电机工程学报,2012,32(30):30-36,7.
