Bidirectional DC-DC Converter Supplying Pulsed Current for Solid Oxide Fuel-Cell

This study presents an analysis of different DC-DC converter architectures and topologies suitable for solid oxide fuel cell (SOFC) systems operating in electrolysis and fuel cell modes. The goal is to determine the most suitable converter design based on efficiency and gravimetric power density. Th...

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Main Authors: Iurich, Mattia, Saafan, Ahmed Amr, Fan, Boran, Dong, Dong, Burgos, Rolando, Brown, Casey, Ghezel-Ayagh, Hossein, Petrella, Roberto
Format: Conference Proceeding
Language:English
Subjects:
Active filters
DC-DC converter
Density measurement
Efficiency and gravimetric power density analysis
Fuel cells
Optimization
Pareto analysis
Power system measurements
Solid Oxide Fuel Cells
Solids
Switching frequency
Topology
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container_start_page 2189
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creator Iurich, Mattia
Saafan, Ahmed Amr
Fan, Boran
Dong, Dong
Burgos, Rolando
Brown, Casey
Ghezel-Ayagh, Hossein
Petrella, Roberto
description This study presents an analysis of different DC-DC converter architectures and topologies suitable for solid oxide fuel cell (SOFC) systems operating in electrolysis and fuel cell modes. The goal is to determine the most suitable converter design based on efficiency and gravimetric power density. The two operating modes of the SOFC are illustrated, and the requirements for rise/fall times and maximum allowable ripple current are discussed. Several converter topologies, including three-level multi-channel buck, three-level four-switch buck-boost, and buck with active filter, are evaluated. The design considerations, including inductor values, switching frequencies, and current waveforms, are discussed for each topology. Finally, a multi-objective design optimization procedure is performed to compare the efficiency and weight (gravimetric power density) of the considered converters.
doi_str_mv 10.1109/ECCE53617.2023.10362172
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subjects Active filters
DC-DC converter
Density measurement
Efficiency and gravimetric power density analysis
Fuel cells
Optimization
Pareto analysis
Power system measurements
Solid Oxide Fuel Cells
Solids
Switching frequency
Topology
title Bidirectional DC-DC Converter Supplying Pulsed Current for Solid Oxide Fuel-Cell
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