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Experimental investigation of high-flux density magnetic materials for high-current inductors in hybrid-electric vehicle DC-DC converters

Research output: Chapter in Book/Report/Conference proceedingsConference proceedingpeer-review

Abstract

High-flux-density materials, such as iron-based amorphous metal and 6.5 % silicon steel for gapped inductors, and powdered alloys for gapless inductors, are very competitive for high-power-density inductors. The high-flux-density materials lead to low weight/volume solutions for high-power dc-dc converters used in hybrid-electric and electric vehicles. In this paper, the practical effects of frequency, dc bias, flux-density de-rating, the duty cycle, air-gap fringing on the core and winding, and thermal configuration based on lamination direction are investigated for iron-based amorphous metal, 6.5 % silicon steel and iron-based powdered alloy material. A 2.5 kW converter is built to verify the optimum material selection and thermal configuration. Analytical, simulation, and experimental results are presented.

Original languageEnglish
Title of host publication2010 IEEE Vehicle Power and Propulsion Conference, VPPC 2010
DOIs
Publication statusPublished - 2010
Event2010 IEEE Vehicle Power and Propulsion Conference, VPPC 2010 - Lille, France
Duration: 1 Sept 20103 Sept 2010

Publication series

Name2010 IEEE Vehicle Power and Propulsion Conference, VPPC 2010

Conference

Conference2010 IEEE Vehicle Power and Propulsion Conference, VPPC 2010
Country/TerritoryFrance
CityLille
Period1/09/103/09/10

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Distributed gap effect
  • Frequency effect
  • Materials comparison
  • Thermal configuration

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