Efficiency Analysis of Two DC-DC Universal Converters for Electric Vehicles: Single-Phase Paralleled GaN and Two-Phase SiC-GaN-Based

Milad Moradpour*, Gianluca Gatto

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

DC-DC universal converter is an integrated converter for battery charging and power management in boost/buck drive/plug-in operations of plug-in electric vehicles. SiC and GaN devices are attractive to be used in universal converter. To cope with low power rating of GaN, two solutions are presented in this paper: two-phase SiC-GAN-based and single-phase paralleled GaN. Then, an instantaneous power loss analysis method is introduced in order to investigate power loss contributors. Applying the instantaneous method on OrCAD Spice simulation samples shows the superiority of the paralleled GaN converter in the term of efficiency.

Original languageEnglish
Title of host publication2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe)
Number of pages7
PublisherIEEE
Publication dateSep 2019
ISBN (Electronic)9789075815313
DOIs
Publication statusPublished - Sep 2019
Externally publishedYes
Event21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe - Genova, Italy
Duration: 3. Sep 20195. Sep 2019

Conference

Conference21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe
Country/TerritoryItaly
CityGenova
Period03/09/201905/09/2019

Keywords

  • Efficiency
  • Gallium Nitride (GaN)
  • Power converters for EV
  • Silicon Carbide (SiC)

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