New Interleaved Current-Fed Resonant Converter with Significantly Reduced High Current Side Output Filter for EV and HEV Applications

Dongok Moon, Junsung Park, Sewan Choi

Research output: Contribution to journalArticlepeer-review

71 Scopus citations

Abstract

This paper proposes a new interleaved current-fed resonant converter with significantly reduced high current side output filter. The proposed interleaved converter has theoretically zero output filter capacitance, low-input current ripple, ZCS turn-on and turn-off for all switches and diodes, and zero di/dt at turn-off of diodes when operated at load independent points. A two-stage power conversion technique is applied to the interleaved converter for high efficiency under wide voltage range operation. A 2-kW prototype of the proposed low-voltage dc/dc converter for EV and HEV applications is built and tested to verify the validity of the proposed operation.

Original languageEnglish
Article number6915744
Pages (from-to)4264-4271
Number of pages8
JournalIEEE Transactions on Power Electronics
Volume30
Issue number8
DOIs
StatePublished - Aug 2015

Keywords

  • Current-fed resonant converter
  • electric vehicle
  • interleaved
  • low voltage dc/dc converter
  • soft switched

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