A bidirectional DC-DC converter for an energy storage system with galvanic isolation

被引：550
作者：
Inoue, Shigenori [1 ]
Akagi, Hirofumi [1 ]
机构：
[1] Tokyo Inst Technol, Dept Elect & Elect Engn, Tokyo 1528552, Japan
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2007年 / 22卷 / 06期
关键词：
bidirectional isolated dc-dc converter; electric double layer capacitors; energy storage system; loss analysis; starting procedure;
D O I：
10.1109/TPEL.2007.909248
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：
This paper addresses a bidirectional dc-dc converter suitable for an energy storage system with an additional function of galvanic isolation. An energy storage device such as an electric double layer capacitor is directly connected to a dc side of the dc-dc converter without any chopper circuit. Nevertheless, the dc-dc converter can continue operating when the voltage across the energy storage device drops along with its discharge. Theoretical calculation and experimental measurement reveal that power loss and peak current impose limitations on a permissible dc-voltage range. This information may be useful in design of the dc-dc converter. Experimental results verify proper charging and discharging operation obtained from a 200-V, 2.6-kJ laboratory model of the energy storage system. Moreover, the dc-dc converter can charge the capacitor bank from zero to the rated voltage without any external precharging circuit.
引用
收藏
页码：2299 / 2306
页数：8
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