Low Voltage DC-to-DC Converter Combining Flyback and Boost Converter for Charging an Auxiliary Battery in Hybrid Electric Vehicle

被引:0
|
作者
Lee, Ju-Young [1 ]
Kang, Feel-soon [2 ]
机构
[1] Hanbat Natl Univ, Dept Control & Instrumentat Engn, 125 Dongseodero, Taejon 305719, South Korea
[2] Hanbat Natl Univ, Dept Elect & Control Engn, Taejon 305719, South Korea
基金
新加坡国家研究基金会;
关键词
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
It presents a low voltage dc-to-dc converter (LDC), which needs to charge an auxiliary battery in a hybrid electric vehicle. LDC locates between an inverter and a main battery. Because it is always on board, a small and light design is very important to increase fuel efficiency and performance. The proposed LDC integrates a boost converter into a flyback converter. It substitutes the primary of a transformer for a boosting inductor. When supplying a low dc voltage to electric field systems, LDC operates in a step-down mode. On the other side, when starting, it operates in a step-up mode to supply a high dc voltage. According to operational modes, theoretical analysis is done and proven by computer-aided simulation using PSIM.
引用
收藏
页码:286 / 288
页数:3
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