A Trajectory Controlled 48-to-24 V Resonant Switched Capacitor Converter with 98.7% Efficiency and Ultrafast Dynamic Response
2025-03-20
会议录名称2025 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC)
ISSN1048-2334
页码983-989
发表状态已发表
DOI10.1109/APEC48143.2025.10977433
摘要

Resonant converters have high power conversion efficiency and can achieve soft switching over a wide range of load conditions. However, during load transients, mismatches between the current provided by the resonant tank and the load current can cause abrupt voltage changes, affecting stability. Maintaining stable output voltage requires a large output capacitance, increasing cost and size. By controlling the trajectory of the resonant tank, rapid recovery after each load transient can be achieved. This work proposes a trajectory control method for a 48- to-24 V resonant switching capacitor converter to improve the transient response performance with a maximum load current of 20 A and output power of 480 W, a 90% reduction in output capacitance for the same output voltage ripple can be achieved with a peak efficiency of 98.7% and a very fast transient recovery of under 300 ns.

会议录编者/会议主办者IEEE Industry Applications Society (IAS) ; IEEE Power Electronics Society (PELS) ; Power Sources Manufacturers Association (PSMA)
关键词High power conversion Load currents Load transients Resonant converters Resonant series capacitor Resonant switched-capacitor converters Resonant tanks Series capacitors Trajectory control Ultra-fast dynamics
会议名称14th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2025
会议地点Atlanta, GA, USA
会议日期16-20 March 2025
URL查看原文
收录类别EI
语种英语
出版者Institute of Electrical and Electronics Engineers Inc.
EI入藏号20252018417648
EI主题词Transient analysis
EISSN2470-6647
原始文献类型Conference article (CA)
来源库IEEE
文献类型会议论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/523875
专题信息科学与技术学院
信息科学与技术学院_PI研究组_王浩宇组
作者单位
1.Edward S. Rogers Sr. Department of Electrical & Computer Engineering, University of Toronto, Toronto, Canada
2.School of Information Science and Technology, ShanghaiTech University, Shanghai, China
推荐引用方式
GB/T 7714
Hélène T.W. Ma Yang,Liang Wang,Haoyu Wang,et al. A Trajectory Controlled 48-to-24 V Resonant Switched Capacitor Converter with 98.7% Efficiency and Ultrafast Dynamic Response[C]//IEEE Industry Applications Society (IAS), IEEE Power Electronics Society (PELS), Power Sources Manufacturers Association (PSMA):Institute of Electrical and Electronics Engineers Inc.,2025:983-989.
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