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The paper presents the optimization and comparison of different rotor design concepts of an Electrically Controlled Permanent Magnet Excited Synchronous Machine (ECPMSM) possessing a field control capability. The experimental results of a no-load back electromotive force (back-EMF) waveforms, cogging torque and electromagnetic torque values are presented in detail. Moreover, in order to compare the...
The paper presents a simplified reluctance equivalent circuit for a hybrid excited ECPMS-machine. This circuit allows determining an air-gap flux control and can be used to estimate the influence of a rotor central core flux barrier on the machine field-weakening capability. The presented equivalent circuit has been based largely on results obtained by predictions using 3D-FEA.
The paper presents an unconventional approach to control Electric Controlled Permanent Magnet Synchronous Machine (ECPMSM) with universal method to determine its required parameters. Moreover, two different kinds of supply the additional control coil of the prototype machine have been analyzed in details. In the first variant, the control coil is placed within the stator part of the machine, thus...
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