A novel full-bridge dc-dc converter for battery charging using secondary-side control combines soft switching over the full load range and low magnetics requirement

Raja Ayyanar, Ned Mohan

Research output: Contribution to journalArticle

51 Scopus citations

Abstract

A novel full-bridge dc-dc configuration with a tapped transformer and secondary-side control is proposed. It achieves zero-voltage switching for the primary side switches and zero-current switching for the secondary-side switches, under all operating conditions. The conduction losses are significantly lower than those in the conventional soft-switching dc-dc converters. Due to superior filter waveforms, the filter requirements, both at the input and at the output, are significantly reduced. The features of the proposed converter are compared with those of the conventional phase-modulated full-bridge dc-dc converters. The proposed configuration is ideally suited for the dc-dc stage of high-power battery-charging applications with a power-factor-corrected preregulator. Analytical and experimental results on a 500-W/100-kHz prototype are presented.

Original languageEnglish (US)
Pages (from-to)559-565
Number of pages7
JournalIEEE Transactions on Industry Applications
Volume37
Issue number2
DOIs
StatePublished - Mar 1 2001

Keywords

  • Battery charging
  • DC-DC converters
  • Secondary-side control
  • Soft switching
  • Zero-current switching
  • Zero-voltage switching

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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