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A Transformer-less Boost Converter with High Gain and Low Current Ripple for Fuel Cell Application  

Yang, Jin-Young (서울산업대 제어계측공학과)
Park, Chan-Ki (동양 E&P 전원연구소)
Choi, Se-Wan (서울산업대 제어계측공학과)
Nam, Seok-Woo (KIST 연료전지연구단)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.13, no.2, 2008 , pp. 79-87 More about this Journal
Abstract
Boost Converters have been used to step up and regulate the low and widely varing voltage from the fuel cell. A transformer-less boost converter which does not have lossy, bulky, and costly high frequency transformers has an advantage in applications where galvanic isolation is not required. In this paper a new transformer-less boost converter is proposed. The proposed boost converter has practically usuable 6 to 8 times of step up ratio and is suitable for fuel cell applications due to very low input and output current ripples. The proposed converter is verified through the theorical analysis, simulation and experimental waveform.
Keywords
Boost Converter; Fuel Cell; Interleaving; Low Current Ripple; High Gain; Transformer-less;
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