Bi-directional Power Transfer of a Contactless Electric Vehicle Charger Using Direct Three-Phase to Single-Phase AC/AC Converter

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10 Downloads (Pure)

Abstract

This paper explains a bi-directional power transfer operation of an inductive charger using a direct three-phase to single-phase AC/AC converter. The converter has a fewer switches than a matrix converter with the same functionality and uses a resonant circuit to utilize zero-current switching. The charger is designed to charge electric vehicle battery, and the transfer operation will be applied to support power grid through a vehicle-to-grid application. The paper focuses on power transfer analysis of a series-series inductive power system with a switching frequency generated from a resonant current. Equivalent circuit and steady-state equations were developed to predict system behavior. Analytical calculations were compared with simulation outcomes for validation purposes. The analysis shows that the coupled system has three resonant frequencies, and power transfer capacity is affected by circuit coupling factor and battery voltage level.

Original languageEnglish
Title of host publicationProceedings of the 20th European Conference on Power Electronics and Applications, EPE-ECCE Europe 2018
PublisherIEEE
Number of pages10
ISBN (Electronic)9789075815283
Publication statusPublished - 30 Oct 2018
MoE publication typeA4 Article in a conference publication
EventEuropean Conference on Power Electronics and Applications - Riga, Latvia
Duration: 17 Sep 201821 Sep 2018
Conference number: 20

Publication series

NameEuropean Conference on Power Electronics and Applications
PublisherIEEE
ISSN (Print)2325-0313

Conference

ConferenceEuropean Conference on Power Electronics and Applications
Abbreviated titleEPE-ECCE Europe
CountryLatvia
CityRiga
Period17/09/201821/09/2018

Keywords

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

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  • Cite this

    Kusumah, F. P., & Kyyra, J. (2018). Bi-directional Power Transfer of a Contactless Electric Vehicle Charger Using Direct Three-Phase to Single-Phase AC/AC Converter. In Proceedings of the 20th European Conference on Power Electronics and Applications, EPE-ECCE Europe 2018 [8515518] (European Conference on Power Electronics and Applications). IEEE.