NDLI: Analysis and Design of Four-Leg Fuel Cell Boost Converter

Content Provider	IEEE Xplore Digital Library
Author	Li-Hsiu Chen Jong-Chin Hwang Sheng-Nian Yeh Ging-Chou Yu
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. Eng., Nat. Taiwan Univ. of Sci. & Technol., Taipei (Li-Hsiu Chen; Jong-Chin Hwang; Sheng-Nian Yeh; Ging-Chou Yu)
Abstract	This paper presents the design and development of a four-leg fuel cell boost converter. For reduction of fuel cell current ripple, the converter always operates in continuous conduction mode (CCM), and is used with interleaved technology to meet specific ripple factor limitation for fuel cell currents. The design consideration of input inductors L plays a critical role for the ripple current reduction, while output capacitors C for a specified output voltage are designed with the considerations of leg number, switching frequency, output loads, and dynamic response. Equivalent models of the proposed converter are built for system analysis and compensation design. Intersil ISL6556A is used to implement control kernel to execute current-sharing algorithm and interlace triggering signals on each switch of the proposed system. Finally, the experimental results of a 1000 W prototype are given to justify the analysis of efficiency, current sharing tolerance, and current ripple factor. The Experimental results show that the four-leg converter in CCM can have lower ripple factor than its two- and three-leg counterparts, and meet the typical limitation of fuel cell output current ripple factor to be less than 4%
Starting Page	4285
Ending Page	4290
File Size	323040
Page Count	6
File Format	PDF
ISBN	1424403901
ISSN	1553572X
DOI	10.1109/IECON.2006.347568
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-11-06
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fuel cells Switches Inductors Capacitors Voltage Leg Switching frequency Control systems Kernel Prototypes
Content Type	Text
Resource Type	Article

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