Experimental Investigation of a Soft-switching Three-Phase, Three-Voltage Bus DC/DC Converter for Fuel Cell Vehicle Applications

被引：7
|
作者：
Tang, Lixin [1 ]
Su, Gui-Jia [2 ]
机构：
[1] Oak Ridge Associated Univ, Oak Ridge, TN 37831 USA
[2] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA
来源：
2008 IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-10 | 2008年
关键词：
D O I：
10.1109/PESC.2008.4591993
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：
A soft-switching three-phase, three-voltage (14V/42V/High Voltage) bus dc/dc converter is presented for power management in fuel cell vehicle applications. It features reduced ripple currents, smaller capacitances, high efficiency and a larger power handling capability. The mathematic model is derived and used in the determination of the soft-switching criteria with and without the 14 V bus load current. The topology was verified experimentally with a 6 kW prototype that occupies a small foot print of 19.8 cm X 27.9 cm. The efficiency of the converter is above 96% in most load conditions with a maximum efficiency of 96.99%. An efficiency of 95.2% was achieved at the maximum output power of 6.4 kW in the boost mode. Dynamic response test results in the buck and boost modes are also shown.
引用
收藏
页码：585 / +
页数：2
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