Thermal finite element modeling and simulation of a squirrel-cage induction machine

Christian Bergfried*, Yvonne Späck-Leigsnering, Roland Seebacher, Heinrich Eickhoff, Annette Muetze

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Finite element models of electrical machines allow insights in electrothermal stresses which endanger the insulation system of the machine. This paper presents a thermal finite element model of a 3.7 kW squirrel-cage induction machine. The model resolves the conductors and the surrounding insulation materials in the stator slots. A set of transient thermal scenarios is defined and measured in the machine laboratory. These data are used to assess the finite element model.

Original languageEnglish
Pages (from-to)147-160
Number of pages14
JournalInternational Journal of Applied Electromagnetics and Mechanics
Volume76
Issue number1-2
DOIs
Publication statusPublished - 27 Nov 2024

Keywords

  • electrical machines
  • Finite element method
  • insulation system
  • numerical field simulation
  • thermal stresses

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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