Coupled electromagnetic acoustic and thermal-flow modeling of an induction motor of railway traction

Archive ouverte : Article de revue

Fasquelle, A. | Le Besnerais, J. | Hecquet, Michel | Harmand, Souad | Brisset, S. | Brochet, P. | Randria, A.

Edité par HAL CCSD ; Elsevier

International audience. In order to optimize the design of an enclosed induction machine of railway traction, a multi-physical model is developed taking into account electromagnetic, mechanical and thermal flow phenomena. The electromagnetic model is based on analytical formulations and allows calculating the losses. The thermal flow modeling is based on an equivalent thermal circuit which has the feature to consider the flow structure inside the machine. In this way, a numerical study has been carried out to evaluate this internal flow structure depending on the rotational speed. The results of the multi-physical model are confronted with experimental results.

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