A Saturation Model Based on a Simplified Equivalent Magnetic Circuit for Permanent Magnet Machines

Francesco Lelli, Marko Hinkkanen, Fabio Giulii Capponi

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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Abstract

This paper proposes an explicit mathematical model to describe the nonlinear behavior of the permanent magnet synchronous reluctance machine. Although different models for the synchronous reluctance machines are available, extending them to the case of the permanent magnet machine is not trivial due to the effect of the permanent magnets on the rib saturation. This work uses a simplified equivalent magnetic circuit to derive the structure of the proposed model. A nonlinear reluctance is introduced to model the rib saturation. It can be added to the existing model for the synchronous reluctance machine to take into account the effect of the permanent magnets. A simple fitting procedure based on the steepest descent method is proposed to estimate the parameters of the model.
Original languageEnglish
Title of host publication2024 International Conference on Electrical Machines (ICEM)
PublisherIEEE
Pages1-7
Number of pages7
ISBN (Electronic)979-8-3503-7060-7
ISBN (Print)979-8-3503-7061-4
DOIs
Publication statusPublished - 4 Sept 2024
MoE publication typeA4 Conference publication
EventInternational Conference on Electrical Machines - Politecnico di Torino, Turin, Italy
Duration: 1 Sept 20244 Sept 2024

Conference

ConferenceInternational Conference on Electrical Machines
Abbreviated titleICEM
Country/TerritoryItaly
CityTurin
Period01/09/202404/09/2024

Keywords

  • Fitting
  • Integrated circuit modeling
  • Magnetic circuits
  • Mathematical models
  • Parameter estimation
  • Permanent magnet machines
  • Permanent magnets
  • Reluctance machines
  • Ribs
  • Saturation magnetization
  • permanent magnet synchronous reluctance machine
  • nonlinear fitting
  • magnetic saturation model
  • steepest descent method
  • Equivalent magnetic circuit

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