Procedure to compare different design methods for implementation-ready high power inductors

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Abstract

In order to realize efficienct high power inductors with high power density, different design methods should be compared. This paper proposes a design procedure where different design methods are compared to find appropriate inductor designs for any given specification. Three design methods are compared in a 10kW and 20kW scenario. The three design methods differ in the choice of core material and winding type. The two chosen core types are ferrite cores and powder cores, and the two chosen winding types are copper foil and PCB. In the two scenarios, the design method that obtains the largest power density for the same efficiency, are when ferrite cores and PCB windings are utilized. In the 10kW scenario, up to 32% increase in power density is achieved for the same effiency when using the best design method compared with the second best. In the 20kW scenario, up to 38% increase in power density is achieved for the same effiency. Two inductor solutions are presented using ferrite core and PCB, and both have half-power efficiencies of approximately 99.9% at the inductor worst case operation point.

Original languageEnglish
Title of host publicationProceedings - 2019 IEEE 13th International Conference on Compatibility, Power Electronics and Power Engineering, CPE-POWERENG 2019
PublisherIEEE
Publication date2019
ISBN (Print)978-1-7281-3203-7
ISBN (Electronic)978-1-7281-3202-0, 978-1-7281-3201-3
DOIs
Publication statusPublished - 2019
Event13th IEEE International Conference on Compatibility, Power Electronics and Power Engineering, CPE-POWERENG 2019 - University of Southern Denmark, Sønderborg, Denmark
Duration: 23. Apr 201925. Apr 2019
http://www.cpe-powereng.gov

Conference

Conference13th IEEE International Conference on Compatibility, Power Electronics and Power Engineering, CPE-POWERENG 2019
LocationUniversity of Southern Denmark
Country/TerritoryDenmark
CitySønderborg
Period23/04/201925/04/2019
SponsorIEEE Industrial Electronics Society, The Institute of Electrical and Electronics Engineers (IEEE), University of Southern Denmark
Internet address

Keywords

  • Dc-dc converter
  • Foil windings
  • Inductor design
  • Pareto analysis
  • Pcb windings
  • Planar inductor
  • Planar magnetics

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