A hybrid DC-DC converter for fuel cells powered laptop computers

被引：0
|
作者：
Harfman-Todorovic, M. [1 ]
Palma, L. [1 ]
Enjeti, P. [1 ]
机构：
[1] Texas A&M Univ, Dept Elect Engn, Power Elect & Fuel Cell Power Syst Lab, College Stn, TX 77843 USA
来源：
2006 IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-7 | 2006年
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：
In this paper a hybrid dc-dc converter for a fuel cell powered laptop computer is proposed. In the proposed system the ac-dc adapter, the fuel cell and its components are assumed to be packaged into one external unit. The purpose of the hybrid dc-dc converter is to suitably control the energy flow from fuel cell, battery and supercapacitor to enable all day computing. A design example is presented to appropriately size the fuel cell stack, Li-Ion battery and supercapacitor modules required for a typical electrical load on a laptop computer. Analysis, design and control aspects of the hybrid de-de converter are presented to meet performance requirements. Simulation results verify the performance of the system under various input and output power conditions. Experimental results obtained with the prototype system employing a 30 W fuel cell show that the hybrid converter is capable of successfully interfacing the internal de-link with the multi-input power source. The source switching between the fuel cell and battery is seamless from the dc-link standpoint as the voltage remains stable regardless of the employed source.
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页码：1053 / +
页数：2
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