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Energies 2016, 9(10), 792; doi:10.3390/en9100792

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

1
Department of Electrical Engineering, National Changhua University of Education, Changhua 50074, Taiwan
2
Department of Electrical Engineering, National Chin-Yi University of Technology, Taichung 41170, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Gabriele Grandi
Received: 14 June 2016 / Revised: 24 August 2016 / Accepted: 27 August 2016 / Published: 2 October 2016

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. View Full-Text
Keywords: interleaved converter; fuel cell; high voltage conversion ratio; inductor-coupled converter; DC link; voltage doublers interleaved converter; fuel cell; high voltage conversion ratio; inductor-coupled converter; DC link; voltage doublers
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Chang, L.-Y.; Chang, J.-H.; Chao, K.-H.; Chung, Y.-N. A Low-Cost High-Performance Interleaved Inductor-Coupled Boost Converter for Fuel Cells. Energies 2016, 9, 792.

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