Analysis of output capacitor voltage ripple of the three-phase transformer-linked boost converter

Wilmar Martinez, Jun Imaoka, Masayoshi Yamamoto

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Abstract

The techniques of interleaving phases and magnetic coupling in power converters are effective downsizing the capacitive components as well as the inductive components in certain configurations. These techniques help tackle the problem of large mass and volume in autonomous electric vehicles as the use of the transformer-linked method in interleaved converters facilitates the miniaturization of the inductor, the output capacitor and the cooling system. Consequently, the analysis of all the characteristics of each component in the converter should be taken into account. This study presents the analysis of the output capacitor voltage ripple in the three-phase interleaved boost converter with coupled inductor (Transformer-linked). In this paper, the operating principle of the three-phase interleaved boost converter with coupled inductor is presented, then the output voltage ripple analysis is conducted for each mode of the operating principle, and finally the voltage ripple analysis is validated by experimental tests of a 1kW prototype.
Original languageEnglish
Title of host publication2015 17th European Conference on Power Electronics and Applications (EPE'15 ECCE-Europe)
Pages1-9
Number of pages9
DOIs
Publication statusPublished - 1 Sep 2015
MoE publication typeA4 Article in a conference publication

Keywords

  • electric vehicles
  • power convertors
  • power transformers
  • inductive components
  • interleaving phases techniques
  • magnetic coupling
  • output capacitor voltage ripple
  • power 1 kW
  • power converters
  • three-phase transformer-linked boost converter
  • Capacitors
  • Inductors
  • Magnetic cores
  • Phase transformers
  • Shape
  • Topology
  • Windings
  • Electric vehicle
  • Energy converters for HEV
  • Interleaved converters
  • Transformer

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