Fixed Frequency Phase Shift Modulated LLC Resonant Converter Adapted to Ultra Wide Output Voltage Range
Cao, Qi; Li, Zhiqing; Xue, Bo; Wang, Haoyu
2019
会议录名称THIRTY-FOURTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2019)
卷号2019-March
页码817-822
发表状态已发表
DOI10.1109/APEC.2019.8722285
摘要Conventional frequency modulated LLC topology is unsuitable for ultra wide voltage range applications and suffers from poor voltage regulation performance at light load conditions. To cope with those issues, this paper proposes a novel two-phase dual LLC resonant converter. Both resonant tanks are driven by two fixed-frequency square waves, whose frequencies are always tuned at the optimal resonant frequency. A phase shift is introduced between those two square waves to regulate the output voltage. The proposed topology demonstrates good voltage regulation performance, which is weakly dependent on the load condition. Zero-voltage switching and zero-current switching are well realized on the power MOSFETs and diodes in a wide range. A 1 kW rated laboratory prototype is designed to convert 390 V input to 100-420 V output. The prototype demonstrates a 98.2% peak efficiency and good voltage regulation capability. The experimental results agree well with the theoretical analysis.
关键词LLC phase shift modulation resonant converter wide output 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:000475931100126
出版者IEEE
EI入藏号20192407050046
EI主题词Natural frequencies ; Power converters ; Power MOSFET ; Topology ; Voltage regulators ; Zero current switching ; Zero voltage switching
EI分类号Control Equipment:732.1 ; Combinatorial Mathematics, Includes Graph Theory, Set Theory:921.4
WOS关键词BATTERY CHARGER ; HIGH-EFFICIENCY ; DENSITY
原始文献类型Proceedings Paper
引用统计
文献类型会议论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/49931
专题信息科学与技术学院_本科生
信息科学与技术学院_PI研究组_王浩宇组
信息科学与技术学院_硕士生
信息科学与技术学院_博士生
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
Cao, Qi,Li, Zhiqing,Xue, Bo,et al. Fixed Frequency Phase Shift Modulated LLC Resonant Converter Adapted to Ultra Wide Output Voltage Range[C]:IEEE,2019:817-822.
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