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Dimensionnement d'une machine synchro-réluctante à excitation homopolaire par réseaux de perméances

Abstract : The work presented here is devoted to the dimensioning and the study of a switched reluctance machine excited by a homopolar D.C. current of Lyndell type. Such structure knows a renewed interest with new topologies for specific applications. In the case of work had presented, the application concerned for is the wind energy transformation with an inertial storage. The field coil of the machine placed in the stator and is located between the rotor salient poles. The rotor is massive and comprises two pairs of poles. These poles have parallel or perpendicular axes. The stator has two windings placed on two classical half-stators, one of which is fixed and the other is manually adjustable along the axis of rotation of the rotor. This orientation allows the machine to be equipped with one or the other of two types of rotor. The dimensioning and the study of this machine are based on the model of the reluctance network. The development of the model, by a subdivision of the studied structure into homogeneous induction zones, is made from the flux lines obtained by the two-dimensional finite element method for whole tooth-air-gap-slot, and the other parts of the machine (stator breech, rotor) are three-dimensional. The finite element methods also constitute the reference to validate the developed model and check the saturation level of the machine. The reluctance network model is then used for sizing a prototype with the parallel or perpendicular poles and for studying the performances in no load and with load machine. Finally, the realised prototype is studied for both types of rotor. The experimental results compared with the simulation show very satisfactory concordances
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Christian Belalahy. Dimensionnement d'une machine synchro-réluctante à excitation homopolaire par réseaux de perméances. Autre. Institut National Polytechnique de Lorraine, 2008. Français. ⟨NNT : 2008INPL084N⟩. ⟨tel-01748702⟩



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