用于功率因数校正应用的单级软开关反激变换器

Yeong-Chang Yan, Shih-Jen Cheng, Ching-Chun Chuang, H. Chiu, Yu-Kang Lo, S. Mou
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引用次数: 42

摘要

本文提出了一种用于功率因数校正(PFC)应用的单级软开关反激变换器。简单的单级电路具有软开关特性,可以实现高功率因数和高转换效率。对所研究的PFC变换器的工作原理和设计准则进行了分析和讨论。一个实验室原型也被建立和测试。最后,给出了该原型电路的实验波形,验证了所提方案的可行性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A single-stage soft-switching flyback converter for power-factor-correction applications
This paper presents a single-stage soft-switching Flyback converter for power-factor-correction (PFC) applications. High power factor and high conversion efficiency can be achieved by a simple single-stage circuit with soft-switching features. The operation principles and design criteria for the studied PFC converter are analyzed and discussed. A laboratory prototype is also built and tested. Finally, the experimental waveforms for this prototype circuit are shown to verify the feasibility of the proposed scheme.
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