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A high-efficient nonisolated single-stage on-board battery charger for electric vehicles

  • Chang Yeol Oh
  • , Dong Hee Kim
  • , Dong Gyun Woo
  • , Won Yong Sung
  • , Yun Sung Kim
  • , Byoung Kuk Lee

Research output: Contribution to journalArticlepeer-review

Abstract

The design and implementation of a high-efficiency nonisolated single-stage on-board battery charger (OBC) for electric vehicles are presented. Reviewing the conventional topologies, a suitable circuit structure is determined to charge a battery in a wide spectrum of input and output conditions. Additionally, a suitable strategy for a highly efficient OBC is presented through the analysis of selected topology. A detailed theoretical analysis, operating strategy, and experimental results on a 3.7-kW prototype are presented in order to evaluate the performance of the proposed system.

Original languageEnglish
Article number6479356
Pages (from-to)5746-5757
Number of pages12
JournalIEEE Transactions on Power Electronics
Volume28
Issue number12
DOIs
StatePublished - 2013

Keywords

  • Cascade buck-boost converter
  • Electric vehicles (EVs)
  • Nonisolation
  • On-board battery charger (OBC)
  • Single-stage

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