Design Methodology of SiC MOSFET Based Bidirectional CLLC Resonant Converter for Wide Battery Voltage Range

被引：2
|
作者：
Liu, Mingyjie [1 ]
Wang, Xuehua [1 ]
Xu, Jiangtao [1 ]
机构：
[1] Huazhong Univ Sci & Technol, State Key Lab Adv Electromegnet Engn & Technol, Wuhan, Peoples R China
来源：
2021 IEEE WORKSHOP ON WIDE BANDGAP POWER DEVICES AND APPLICATIONS IN ASIA (WIPDA ASIA 2021) | 2021年
关键词：
CLLC resonant converter; wide voltage range; FHA model; design methodology;
D O I：
10.1109/WIPDAASIA51810.2021.9656028
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The CLLC resonant converter has gained much attention in DC microgrid due to its bidirectional power transfer capability and high power density. When interlinking the DC-link bus and energy storage battery in DC microgrid, the CLLC converter needs to possess wide voltage regulation ability in forward mode (FM) and backward mode (BM) due to the wide battery voltage range. To solve this issue, this paper presents a simple and effective design methodology of bidirectional CLLC resonant converter based on the first harmonic approximation (FHA) model. Considering the voltage gain and zero-voltages-witching (ZVS) region, the design procedures are discussed in detail. Finally, a 10-kW SiC MOSFET based prototype converter was designed and built. Experiment results verify the theoretical expectations and the maximum power conversion efficiency is 97.2%.
引用
收藏
页码：423 / 427
页数：5
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