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Communication Dans Un Congrès Année : 2006

Considerations about the modeling and simulation of air-gap eccentricity in induction motors

Résumé

The aim of this work is, firstly to precisely evaluate the inductances of the induction machine (IM) including the skewing bares effect and the linear rise of MMF across the slots, without complicating the calculation process. And secondly, the consideration of the two types of star stator winding coupling of IM. YN-connection and Y-connection. The choice of a 2-pole IM in our application is due to the fact that the majority of the previous publications have used a 4-pole IM or more. Also, and particularly, the two pole machines can have homopolar flux in presence of eccentricity or odd number of slots per pole. It is the reason for which it deserves a particular interest. The model is established initially in the case of symmetric machine, then, in the specific case of radial eccentricity which is the mixed eccentricity. This objective would be achieved by exploiting an extension in 2-D of the modified winding function approach (MWFA). The analysis is validated by comparing the experimental line-current spectrum of the eccentric machine to the simulation results obtained from the proposed approach.

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Dates et versions

hal-00084037 , version 1 (05-07-2006)

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  • HAL Id : hal-00084037 , version 1

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Adel Ghoggal, Abdennacer Aboubou, Salah Eddine Zouzou, Hubert Razik. Considerations about the modeling and simulation of air-gap eccentricity in induction motors. 32nd Annual Conference of IEEE Industrial Electronics (IECON 2006), Nov 2006, Paris, France. ⟨hal-00084037⟩
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