A Wide Gain Range LLC Resonant Converter Based on Reconfigurable Bridge and Asymmetric Resonant Tanks

doi:10.1109/APEC.2019.8722214

	A Wide Gain Range LLC Resonant Converter Based on Reconfigurable Bridge and Asymmetric Resonant Tanks
	Li, Cheng; Wang, Haoyu
	2019
会议录名称	THIRTY-FOURTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2019)
ISSN	1048-2334
卷号	2019-March
页码	3281-3286
发表状态	已发表
DOI	10.1109/APEC.2019.8722214
摘要	In wide voltage gain range applications, it is demanding to optimize the design of the conventional frequency modulated LLC resonant converter. In this paper, a novel reconfigurable LLC resonant topology is customized to mitigate this design challenge. On the primary side, six MOSFETs are utilized to formulate a reconfigurable inverter bridge. This bridge exhibits six different operation modes. Those operation modes enable a wide voltage gain range with a narrow switching frequency span. Furthermore, two asymmetric LLC resonant tanks with different turns ratios are deployed to further squeeze the switching frequency range. Zero-voltage switching is realized on all MOSFETs during all six modes. The conduction loss is reduced due to the reduced circulating current in each resonant tank. High efficiency and narrow frequency range over a wide voltage gain range are well achieved. The operating principles, design considerations, voltage gain analysis, and key experimental results are presented. A 1 kW laboratory prototype is built to verify the effectiveness of the proposed concept. The prototype converts a 390V input to an 80-420V output. A 97.42% peak efficiency is reported.
关键词	asymmetric resonant tanks LLC reconfigurable bridge wide gain range
会议地点	Anaheim, CA, United states
会议日期	17-21 March 2019
URL	查看原文
收录类别	EI ; CPCI-S ; CPCI
语种	英语
资助项目	Shanghai Sailing Program[16YF1407600]
WOS研究方向	Energy & Fuels ; Engineering
WOS类目	Energy & Fuels ; Engineering, Electrical & Electronic
WOS记录号	WOS:000475931103072
出版者	IEEE
EI入藏号	20192407050126
EI主题词	Efficiency ; Gain measurement ; MOSFET devices ; Power electronics ; Zero voltage switching
EI分类号	Semiconductor Devices and Integrated Circuits:714.2 ; Production Engineering:913.1 ; Electric Variables Measurements:942.2
WOS关键词	RECTIFIER ; TOPOLOGY
原始文献类型	Proceedings Paper
来源库	IEEE
引用统计	正在获取...
文献类型	会议论文
条目标识符	https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/49932
专题	信息科学与技术学院_硕士生信息科学与技术学院_PI研究组_王浩宇组
通讯作者	Wang, Haoyu
作者单位	ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai, Peoples R China
第一作者单位	信息科学与技术学院
通讯作者单位	信息科学与技术学院
第一作者的第一单位	信息科学与技术学院
推荐引用方式 GB/T 7714	Li, Cheng,Wang, Haoyu. A Wide Gain Range LLC Resonant Converter Based on Reconfigurable Bridge and Asymmetric Resonant Tanks[C]:IEEE,2019:3281-3286.