Isolated Bidirectional DC–DC Converter for SuperCapacitor Applications

Sayed M. D. Dehnavi, Gökhan Sen, Ole Cornelius Thomsen, Michael A. E. Andersen, Lars Møller

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Abstract

This paper proposes a new bidirectional DC/DC converter for supercapacitor applications. The proposed converter has a parallel structure in supercapacitor side (where voltage is low and current is high) and a series structure in the other side. This structure increases efficiency of the converter. For current sharing in the parallel side of the proposed converter, two different methods are recommended and compared in this paper: Current balancing transformer (CBT) and two separate inductors (TSI). Simulation and experimental results show performance of the proposed converter.
Original languageEnglish
Title of host publicationICREPQ'11 International Conference on Renewable Energies and Power Quality
Publication date2011
ISBN (Print)978-84-614-7527-8
Publication statusPublished - 2011
EventInternational Conference on Renewable Energies and Power Quality (ICREPQ'11) - Canary Islands Convention Centre, Las Palmas de Canaria, Spain
Duration: 13 Apr 201115 Apr 2011

Conference

ConferenceInternational Conference on Renewable Energies and Power Quality (ICREPQ'11)
LocationCanary Islands Convention Centre
CountrySpain
CityLas Palmas de Canaria
Period13/04/201115/04/2011

Keywords

  • Current sharing
  • Supercapacitor
  • Parallel primary
  • Fuel cell
  • Bidirectional converter

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