MODELLING AND DESIGN OPTIMIZATION OF A SMALL AXIALFLUX
BRUSHLESS PERMANENT-MAGNET MOTOR FOR
ELECTRIC TRACTION PURPOSES
1
Univ. Lille Nord de France, F-59000, Lille, France
2
EC-Lille, L2EP, F-59650, Villeneuve d'Ascq, France
3
Technical University of Cluj-Napoca, Special Electric
Machines and Light Electric Traction (SEMLET)
Research Laboratory, RO-400114, Cluj-Napoca, Romania
Publication date: 2011-08-02
Rail Vehicles/Pojazdy Szynowe 2011,3,17–20
ABSTRACT
This paper presents the modelling and design optimization of an axial-flux brushless
permanent-magnet motor with one rotor-two stators configuration. This particular axialflux
machine is suitable to traction applications. The reason is that, firstly, fixing of the
stators may be arranged reasonably easily; secondly, the topology with two stators is
able to operate even if one of its stators is electrically disconnected; thirdly, the axial
loading of bearings is small due to the symmetry of the motor structure. A prototype
machine was designed and manufactured for verifying the design optimization results.
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