Abstract
In this paper, rotor of switched reluctance motor (SRM) is employed by mounting copper windings on the rotor poles as well as the stator poles. Rotor and stator windings are excited from DC supply in order to increase the developed electro-magnetic torque; thus enhancing the output power of the drive and keeping the system compactness. Furthermore, the proposed SRM offers higher reliability than conventional one, if excitation of rotor windings is lost, the drive will turn into a conventional SRM, the drive will continue running as a conventional SRM. Finite element method magnetics (FEMM) software is applied to obtain the magnetic characteristics of the proposed SRM. A control strategy for excitation of rotor and stator windings is presented. MATLAB/Simulink modeling of the proposed SRM is given and validated by practical experiment. Experimental Results on a prototype show that the proposed SRM is capable of achieving an increased torque compared with conventional SRM drive.
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