Semianalytical modeling of squirrel-cage induction machines with consideration of iron permeability and eddy-currents using elementary subdomain technique

Lazhar Roubache; Kamel Boughrara; Frédéric Dubas; Brahim Ladghem Chikouche; Rachid Ibtiouen

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Semianalytical modeling of squirrel-cage induction machines with consideration of iron permeability and eddy-currents using elementary subdomain technique

Lazhar Roubache ^[2] ; Kamel Boughrara ^[3] ; Frederic Dubas ^[1] ; Brahim Ladghem Chikouche ^[4] ; Rachid Ibtiouen ^[3]
1. [1] Université Bourgogne Franche-Comté
  
  Université Bourgogne Franche-Comté
  
  Arrondissement de Besançon, Francia
2. [2] Laboratoire Des Sciences Appliquees, Ecole Nationale Superieure des Technologies Avancees, Alger, Algeria
3. [3] Laboratoire de Recherche en Electrotechnique (LRE-ENP), Ecole Nationale Polytechnique, Alger, Algeria
4. [4] Department of Electrical Engineering, Faculty of Technology, University of M’sila, M’sila, Algeria
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Localización: Compel: International journal for computation and mathematics in electrical and electronic engineering, ISSN 0332-1649, Vol. 43, Nº 1, 2024, págs. 149-166
Idioma: inglés
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Resumen
- Purpose This paper aims to propose a semianalytical model of a squirrel-cage induction machine (SCIM), considering local magnetic saturation and eddy-currents induced in the rotor bars.
  
  Design/methodology/approach The regions of the rotor and stator are divided into elementary subdomains (E-SDs) characterized by general solutions at the first harmonic of the magneto-harmonic Maxwell’s equations. These E-SDs are connected in both directions (i.e., along the r- and θ-edges).
  
  Findings The calculation of the magnetic field has been validated for various values of slip and iron permeability. All electromagnetic quantities were compared with those obtained using a two-dimensional finite-element method. The semianalytical results are satisfactory compared with the numerical results, considering both the amplitude and waveform.
  
  Originality/value Expansion of the recent analytical model (E-SD technique) for the full prediction of the magnetic field in SCIMs, considering the local saturation effect and the eddy-currents induced in the rotor bars.