Battery charger for electric vehicle traction battery switch station

A. Kuperman, U. Levy, J. Goren, A. Zafransky, A. Savernin

Research output: Contribution to journalArticlepeer-review

132 Scopus citations

Abstract

This paper presents the functionality of a commercialized fast charger for a lithium-ion electric vehicle propulsion battery. The device is intended to operate in a battery switch station, allowing an up-to 1-h recharge of a 25-kWh depleted battery, removed from a vehicle. The charger is designed as a dual-stage-controlled ac/dc converter. The input stage consists of a three-phase full-bridge diode rectifier combined with a reduced rating shunt active power filter. The input stage creates an uncontrolled pulsating dc bus while complying with the grid codes by regulating the total harmonic distortion and power factor according to the predetermined permissible limits. The output stage is formed by six interleaved groups of two parallel dc-dc converters, fed by the uncontrolled dc bus and performing the battery charging process. The charger is capable of operating in any of the three typical charging modes: constant current, constant voltage, and constant power. Extended simulation and experimental results are shown to demonstrate the functionality of the device.

Original languageEnglish
Article number6380611
Pages (from-to)5391-5399
Number of pages9
JournalIEEE Transactions on Industrial Electronics
Volume60
Issue number12
DOIs
StatePublished - 1 Jan 2013
Externally publishedYes

Keywords

  • Battery charger
  • electric vehicle (EV)
  • power converters
  • power quality

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