Influence of Magnet and Flux-Barrier Arrange-ment on Flux Control Characteristics of Hybrid Excited ECPMS-Machine
Keywords:Electric vehicles, experimental results, permanent magnet ma-chines, hybrid excitation, field-weakening, flux control
In this paper, novel rotor design concepts for a synchronous machine with hybrid excitation are presented. The influence of a magnet and a flux-barrier arrangement on field weakening and strengthening characteristics obtained by 3-D FEA predic-tion of an ECPMS (Electrically Controlled Permanent Magnet Excited Synchronous) machine is estimated. Finally, 3D-FEA and experimental results of a field control characteristic and no-load back electromotive force (back-EMF) waveforms of the machine with new prototype rotor design are examined.
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