Significance of vector hysteresis modeling in the analysis of variable flux reluctance machines

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Abstract

This article presents the magnetostatic analysis of a 12/10 variable flux reluctance machine where the nonlinear magnetic characteristics of the soft-magnetic material are modeled using two different techniques: the single-valued magnetization curve and Jiles-Atherton vector hysteresis modeling. The root mean square and the peak local errors in the magnetic flux density calculated by the single-valued curve are found to be 0.23 T and 0.5 T, respectively. Moreover, the calculated torque under magnetic saturation with a single-valued curve exhibits over 5% error when compared to the Jiles-Atherton model, as it only models uni-directional material characteristics. Lastly, the modeled hysteresis loss of the applied two techniques is compared. The discrepancy between the two models is found to be 25% in magnetic saturation and reaches 48% for large dcto ac-field excitation ratios in the linear region
Original languageEnglish
Title of host publication2022 International Conference on Electrical Machines (ICEM)
PublisherInstitute of Electrical and Electronics Engineers
Pages89-93
Number of pages5
ISBN (Electronic)978-1-6654-1432-6
DOIs
Publication statusPublished - 13 Oct 2022
Event25th International Conference on Electrical Machines, ICEM 2022 - Valencia Conference Centre, Valencia, Spain
Duration: 5 Sept 20228 Sept 2022
Conference number: 25
https://www.icem.cc/2022/

Conference

Conference25th International Conference on Electrical Machines, ICEM 2022
Abbreviated titleICEM
Country/TerritorySpain
CityValencia
Period5/09/228/09/22
Internet address

Keywords

  • variable flux reluctance machine
  • magnetic characteristics
  • vector hysteresis
  • single-valued saturation curve
  • electrical steel
  • Variable flux reluctance machine

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