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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 |
DOI | 10.1109/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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