A Low-Cost High-Performance Interleaved Inductor-Coupled Boost Converter for Fuel Cells

Long-Yi Chang, Jung-Hao Chang, Kuei-Hsiang Chao and Yi-Nung Chung
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Long-Yi Chang: Department of Electrical Engineering, National Changhua University of Education, Changhua 50074, Taiwan
Jung-Hao Chang: Department of Electrical Engineering, National Chin-Yi University of Technology, Taichung 41170, Taiwan
Kuei-Hsiang Chao: Department of Electrical Engineering, National Chin-Yi University of Technology, Taichung 41170, Taiwan
Yi-Nung Chung: Department of Electrical Engineering, National Changhua University of Education, Changhua 50074, Taiwan

Energies, 2016, vol. 9, issue 10, 1-22

Abstract: This paper presents an interleaved inductor-coupled converter for a fuel cell. It is designed to boost a low input voltage from a fuel cell to a specified voltage level for DC load or high voltage DC link, thus providing a high-voltage conversion ratio. The presented converter mainly involves coupled inductors and capacitor of voltage doublers for boosting purposes, but the voltage ratings of the involved power switches and diodes, in particular, remain unaffected as the output voltage is boosted. Using an interleaving trigger mechanism, this circuit configuration can not only suppress the input current ripple, but also reduce the current ratings of power switches. In simple terms, it is a low-cost but high-voltage gain converter due to a smaller number of required components and the lower current and voltage ratings of power switches. The operation principles and design steps are detailed herein, and the performance simulations are experimentally validated at the end of the work.

Keywords: interleaved converter; fuel cell; high voltage conversion ratio; inductor-coupled converter; DC link; voltage doublers (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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