A direct three-phase to single-phase AC/AC converter for contactless electric vehicle charger

Ferdi Perdana Kusumah, Simo Vuorsalo, Jorma Kyyrä

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

11 Citations (Scopus)
123 Downloads (Pure)

Abstract

This paper proposes an attractive direct line-frequency three-phase to a higher frequency single-phase AC/AC converter for a contactless electric vehicle charger. It removes a DC-link capacitor of a conventional AC/AC converter but has a smaller number of bi-directional switches than a matrix converter. It operates using injection and free-oscillation modes based on a zero-current switching mechanism. Circuit descriptions including a topology, commutations and a modulation strategy are discussed using some illustrations and diagrams. An on-off control is used to simplify control of resonant current. Simulation results to study some effects due to different coupling factor and load are then presented to show converter's performance and capabilities in contactless power transfer.
Original languageEnglish
Title of host publication17th European Conference on Power Electronics and Applications (EPE'15 ECCE-Europe), Geneva, 8-10 September 2015
PublisherIEEE
Pages1-10
ISBN (Print)9789075815238
DOIs
Publication statusPublished - 2015
MoE publication typeA4 Conference publication

Keywords

  • AC/AC converter
  • Battery charger
  • Contactless power supply
  • Electric vehicle
  • Resonant converter
  • Soft switching

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