A Dynamic Resonant Period Control Technique for Fast and Zero Voltage Switching in GaN-Based Active Clamp Flyback Converters

Chun Chieh Kuo, Jia Jyun Lee, Yu Hsien He, Jiang Yue Wu, Ke Horng Chen, Ying Hsi Lin, Shian Ru Lin, Tsung Yen Tsai

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

Compared to Si FETs, when the main GaN FET is in full zero voltage switching condition, maximum switching loss reduction can be achieved. Therefore, in this article, an active clamp flyback converter with GaN devices that implements fast ZVS by using the proposed dynamic resonant period control (DRPC) technique can reduce large transformer leakage inductance energy loss on the active resonant circuit. As the loading changes, the DRPC technique can dynamically adjust the on-time in auxiliary switch to prevent large voltage stress on the components in the primary side. In full load condition, the leakage energy loss can be reduced, thereby transferring more energy to the secondary side with maximum efficiency up to 94%.

原文English
文章編號9166763
頁(從 - 到)3323-3334
頁數12
期刊IEEE Transactions on Power Electronics
36
發行號3
DOIs
出版狀態Published - 三月 2021

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