Magneto-mechanical analysis of an axially laminated synchronous reluctance machine

Floran Martin, Deepak Singh, Ugur Aydin, Laurent Daniel, Laurent Bernard, Paavo Rasilo, Anouar Belahcen

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

2 Citations (Scopus)

Abstract

The performance of an axially laminated synchronous reluctance motor is calculated by considering the magneto-mechanical interaction on the electrical steel sheets. The elasticity analysis is performed with 2D finite element method for centrifugal force and shrink-fittings in both the stator frame and the rotor shaft. The 2D magnetostatic analysis is formulated with a mixed formulation involving the magnetic field in edge finite elements. The stress distribution and the components of the magnetic field affect locally the magnetic permeability of the electrical steel sheets. Their constitutive laws account for this magneto-mechanical effect with an equivalent stress approach. With a fixed-point method, this non-linear magneto-static problem is solved and the computation of the torque and the magnetic losses is performed in post-processing. Finally, the effect of the mechanical loads can increase the magnetic losses by 4.1 % mainly due to the stator shrink-fittings, whereas the electromagnetic torque only slightly decreases.

Original languageEnglish
Title of host publicationProceedings of the 2016 22nd International Conference on Electrical Machines, ICEM 2016
PublisherIEEE
Pages1861-1867
Number of pages7
ISBN (Electronic)9781509025381
DOIs
Publication statusPublished - 2 Nov 2016
MoE publication typeA4 Article in a conference publication
EventInternational Conference on Electrical Machines - Lausanne, Switzerland
Duration: 4 Sep 20167 Sep 2016
Conference number: 22
http://www.icem.cc/2016/

Conference

ConferenceInternational Conference on Electrical Machines
Abbreviated titleICEM
Country/TerritorySwitzerland
CityLausanne
Period04/09/201607/09/2016
Internet address

Keywords

  • Axially laminated synchronous machine
  • finite element analysis
  • magneto-elasticity
  • magneto-mechanical material properties
  • magnetostatic
  • mixed formulation

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