Winding Function Based Analytical Model of Squirrel Cage Induction Motor for Fault Diagnostics

Bilal Asad, Toomas Vaimann, Ants Kallaste, Anton Rassõlkin, Anouar Belahcen

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

8 Citations (Scopus)
209 Downloads (Pure)


In this paper, a detailed analytical model of a three-phase squirrel cage induction motor is derived. The geometrical parameters of the motor are considered and couple magnetic circuit theory is used for the calculation of inductances, resistances and other performance parameters. Although analytical models are not as accurate as numerical models, their lower calculation time makes them important in the field of performance analysis and fault diagnostics, particularly in hardware-in-the-loop environment and inverse problem theory implementation. The model is made general for any number of rotor bars even if they are not integral number per pole and stator geometry considering the end ring parameters, leakage inductances, slotting and end winding effects.

Original languageEnglish
Title of host publicationProceedings of the 2019 26th International Workshop on Electric Drives, IWED 2019
Subtitle of host publicationImprovement in Efficiency of Electric Drives
Number of pages6
ISBN (Electronic)9781538694534
Publication statusPublished - 8 Mar 2019
MoE publication typeA4 Conference publication
EventInternational Workshop on Electric Drives - Moscow, Russian Federation
Duration: 30 Jan 20192 Feb 2019
Conference number: 26


WorkshopInternational Workshop on Electric Drives
Abbreviated titleIWED
Country/TerritoryRussian Federation


  • Analytical model
  • Fault diagnosis
  • Induction motors


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