Synchronous type electrical machine

DETAILED DESCRIPTION The invention provides a synchronous electrical machine comprising a rotor and a stator, each having a plurality of notches, wherein the rotor is a stack of laminations without conductor windings and without permanent magnets, and wherein the stator has magnetizing means defining at least one pair of poles thereon, while the notches of said stator receive at least one secondary winding.
This machine advantageously further includes the following characteristics on their own or in any technically possible combination: the magnetizing means comprise at least one primary winding received in the notches of the stator; each of the stator and the rotor has a plurality of stages, each of the stator stages receiving a secondary winding corresponding to one of the phases of the machine; the notches of the various stages of the rotor are, from one stage to another, offset angularly by the width between two notches divided by the number of stages; the notches of the various stages of the rotor are distributed thereon without angular offset from one stage to another, said stator having an inductor winding wound over its full height and common to its various stages; and the secondary windings of the various stages are wound in corresponding manner on the notches of the stator without angular offset from one stage to another.