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Permanent-magnet-excited AC servo motors in tooth-coil technology

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1 Author(s)
Huth, G. ; Dept. of Electr. Eng. & Inf. Technol., Univ. of Kaiserslautern, Germany

Permanent-magnet-excited ac servo motors can be produced usefully with tooth-coil windings; they allow an increase of the torque density due to their compact construction. The winding systematics and the winding variants, interesting for ac servo motors, are introduced. The steady-state behavior of the ac servo drive is calculated analytically in dependence of the winding variant. The influence of the winding variant on the M(n)-characteristic is discussed in examples. A comparison between calculations and measurements verifies the represented modeling.

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Energy Conversion, IEEE Transactions on  (Volume:20 ,  Issue: 2 )