NDLI: Design considerations of a voltage-fed full bridge DC-DC converter with high voltage gain for fuel cell applications

Content Provider	IEEE Xplore Digital Library
Author	Averberg, A. Mertens, A.
Copyright Year	2007
Description	Author affiliation: Leibniz Univ. Hannover, Hannover (Averberg, A.; Mertens, A.)
Abstract	Fuel cells in the kW range have a high output current and low output voltage. To connect them to the mains, a DC-DC converter with a high voltage gain and an inverter are needed. In this paper an investigation of the voltage-fed full bridge dc-dc converter with high voltage gain is presented. A detailed analysis of the different operating modes, the semiconductors' current and voltage stress, the switching losses and the transformer stress is given. The influence of diverse parameters like winding ratio, leakage inductance and output inductance on the operating behaviour, hence voltage gain and efficiency is stated out. The analytical results are compared with measurements taken from a 1.2 kW prototype. Finally, design criteria for the dc-dc converter are given to realise a high voltage gain and high efficiency.
Starting Page	1
Ending Page	11
File Size	1462219
Page Count	11
File Format	PDF
ISBN	9789275815108
DOI	10.1109/EPE.2007.4417498
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-02
Publisher Place	Denmark
Access Restriction	Subscribed
Rights Holder	EPE Association
Subject Keyword	Switched-mode power supply Switching converters DC power supply DC-DC power converters Semiconductor diodes Stress High frequency power converter Design Inductance Fuel cell system Efficiency Bridge circuits Fuel cells Rectifiers Voltage
Content Type	Text
Resource Type	Article

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