Controller Design of a New Universal Two-Phase SiC-GaN-Based DC-DC Converter for Plug-in Electric Vehicles

Milad Moradpour*, Gianluca Gatto

*Corresponding author for this work

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

Abstract

Wide Band Gap (WBG) semiconductor technologies such as Silicon Carbide (SiC) and Gallium Nitride (GaN) are being replaced with Silicon (Si) MOSFETs and IGBTs in power switching converters. In hard-switching applications, GaN is more attractive because of its lower switching power losses. The DC-DC power module of the motor drive in Plug-In Electric Vehicles (PEVs) has a power rating range of 30-150 kW while the power rating of GaN is not that much high. A two-phase SiC-GaN-based converter can satisfy the demanded power, achieving the advantage of WBG technology, and avoid the complexity of multi-phase converter with high number of phases. Obtaining the maximum efficiency, the power sharing is not symmetrical. Therefore, a cascade controller is considered in this paper to control fully directional universal converter: drive/plug-in, boost/buck mode. The simulation results prove the satisfactory performance of the controller in all modes of operation.

Original languageEnglish
Title of host publication2018 IEEE 18th International Power Electronics and Motion Control Conference (PEMC)
PublisherIEEE
Publication date3. Nov 2018
Pages236-241
ISBN (Electronic)9781538641989
DOIs
Publication statusPublished - 3. Nov 2018
Externally publishedYes
Event2018 IEEE 18th International Power Electronics and Motion Control Conference (PEMC) - Budapest, Hungary
Duration: 26. Aug 201830. Aug 2018

Conference

Conference2018 IEEE 18th International Power Electronics and Motion Control Conference (PEMC)
Country/TerritoryHungary
CityBudapest
Period26/08/201830/08/2018

Keywords

  • Cascade Controller
  • Gallium Nitride
  • Plug-In Electric Vehicles
  • Silicon Carbide
  • Universal DC-DC Converter

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