標題: An Active Resonant Circuit with the Dynamic Resonant Period Control Technique for Fast Zero Voltage Switching in GaN-Based Active Clamp Flyback Converters
作者: Lee, Jia-Jyun
Wu, Jiang-Yue
Lee, Mu-Wei
Chen, Ke-Horng
Lin, Ying-Hsi
Lin, Shian-Ru
Tsai, Tsung-Yen
電控工程研究所
Institute of Electrical and Control Engineering
關鍵字: active clamp flyback (ACF);full zero voltage switching (FZVS);dynamic resonant period control (DRPC) technique;active resonant circuit (ARC)
公開日期: 1-Jan-2019
摘要: this paper proposes an active clamp flyback (ACF) converter with GaN devices. Compared to Si FETs, when the main GaN FET is at full zero voltage switching (FZVS), maximum switching loss reduction can be achieved. Thus, the use of dynamic resonant period control (DRPC) technique to achieve fast ZVS can reduce 87% of the transformer leakage inductance energy loss on the active resonant circuit (ARC). When the load changes, the DRPC technique dynamically adjusts the auxiliary switch on-time to prevent large voltage stress on the primary side components. At full load, the leakage energy loss can be reduced, thereby transferring more energy to the secondary side with an efficiency of up to 94%.
URI: http://hdl.handle.net/11536/152955
ISBN: 978-1-7281-0397-6
ISSN: 0271-4302
期刊: 2019 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS)
起始頁: 0
結束頁: 0
Appears in Collections:Conferences Paper