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Mathematical Analysis and Investigation Results of the Bearingless Electric Motor with Permanent Magnets

The paper deals with analysis of bearingless electric motor with surface-mounted permanent magnets. This kind of electric motor eliminate disadvantages of conventional motors, e.g. overall efficiency, friction forces, heat abstraction. In paper are shown mathematical analysis of bearingless motor and experimental investigation results of them. There are shown results of analysis of magnetic flux density distribution in bearingless motor by finite element method, too. This kind of motor was elaborated and investigated in Military University of Technology.