Characterization of flux reversal machine (FRM) in low speed (direct) servo drives-the pole-PM configuration

This paper introduces and analyses a flux reversal machine (FRM) configuration for low speed (below 150 RPM) servo drives. The FRM configuration includes stator poles with three phase concentrated coils and Zn/sub p/ alternate polarity PMs per stator pole and a salient multiple pole passive rotor. I...

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Bibliographic Details
Main Authors: Boldea, I., Zhang, J., Nasar, S.A.
Format: Conference Proceeding
Language:English
Subjects:
AC motors
Coils
Food industry
Machine vector control
Reluctance motors
Rotors
Servomechanisms
Stators
Torque
USA Councils
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Summary:This paper introduces and analyses a flux reversal machine (FRM) configuration for low speed (below 150 RPM) servo drives. The FRM configuration includes stator poles with three phase concentrated coils and Zn/sub p/ alternate polarity PMs per stator pole and a salient multiple pole passive rotor. In-depth FEM analysis shows high torque density and less than 3% torque pulsation (through adequate rotor skewing) with sinusoidal three phase vector control.
DOI:10.1109/IEMDC.2001.939385