Auteur Ferreira, F.J.T.E.
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Documents disponibles écrits par cet auteur (2)
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Cistelecan, M.V., Auteur ; Ferreira, F.J.T.E., Auteur ; Popescu, M., Auteur |In this paper, a complete theory and analysis method for combined star-delta three-phase windings from the point of view of magnetomotive force spatial harmonics content and equivalent winding factors calculation is developed. The method allows [...]![]()
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Ferreira, F.J.T.E., Auteur ; de Almeida, A.T., Auteur |In the European Union, the average load factor of electric motors in both industrial and tertiary sectors is estimated to be less than 60%. However, in some industrial sectors, the average load factor for some motor power ranges can be as low as[...]


