A Non-Isolated Bidirectional DC-DC Converter with High Conversion Ratio

被引：0
|
作者：
Liang, Tsorng-Juu [1 ]
Lin, Ru-Cian [1 ]
Luo, Peng [1 ]
Chen, Kai-Hui [1 ]
机构：
[1] Natl Cheng Kung Univ, Dept Elect Engn, Tainan, Taiwan
来源：
2022 INTERNATIONAL POWER ELECTRONICS CONFERENCE (IPEC-HIMEJI 2022- ECCE ASIA) | 2022年
关键词：
Bidirectional converter; switched capacitor; coupled inductor Introduction; DESIGN;
D O I：
暂无
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：
In this paper, a non-isolated bidirectional dc-dc converter with a high voltage conversion ratio is implemented by using coupled inductor and switched capacitor. The voltage stress on the switch can be reduced by a clamped circuit, and the leakage energy is recycled. Moreover, the conduction losses and current ripple can be significantly reduced to improve the system efficiency in step-up stage because of two continuous current paths. A prototype with low voltage side voltage of 48-60 V, high voltage side voltage of 400 V, and rated power of 1 kW is built to verify the performance. The maximum efficiency and full load efficiency are 95.1% and 93.5% in step-up stage, respectively; 95.6% and 94.8% in the step-down stage, respectively.
引用
收藏
页码：1677 / 1683
页数：7
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