Interleaved, Switched Inductor and High-Gain Wide Bandgap Based Boost Converter Proposal

David Marroqui, Ausias Garrigós, Cristian Torres, Carlos Orts, Jose M. Blanes and Roberto Gutierrez
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David Marroqui: Industrial Electronic Group, Miguel Hernandez University of Elche, 03202 Elche, Spain
Ausias Garrigós: Industrial Electronic Group, Miguel Hernandez University of Elche, 03202 Elche, Spain
Cristian Torres: Industrial Electronic Group, Miguel Hernandez University of Elche, 03202 Elche, Spain
Carlos Orts: Industrial Electronic Group, Miguel Hernandez University of Elche, 03202 Elche, Spain
Jose M. Blanes: Industrial Electronic Group, Miguel Hernandez University of Elche, 03202 Elche, Spain
Roberto Gutierrez: Industrial Electronic Group, Miguel Hernandez University of Elche, 03202 Elche, Spain

Energies, 2021, vol. 14, issue 4, 1-11

Abstract: Many applications (electric vehicles, renewable energies, low-voltage DC grids) require simple, high-power density and low-current ripple-boost converters. Traditional step-up converters are limited when large transformation ratios are involved. In this work is proposed a step-up converter that brings together the characteristics of high gain, low ripple, and high-power density. From the converter proposal, a mathematical analysis of its operation is first performed, including its static transfer function, stress of components, and voltage and current ripples. Furthermore, it provides a design example for an application of V in = 48 V to V o = 270 V and 500 W. For its implementation, two different wide bandgap (WBG) semiconductor models have been used, hybrid GaN cascodes and SiC MOSFETs. Finally, the experimental results of the produced prototypes are shown, and the results are discussed.

Keywords: boost; switched-inductor; WBG; SiC; GaN; DC/DC; LVDC (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: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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