A new construction of an outer-rotor synchronous reluctance motor without typical rotor ferromagnetic yoke is presented and investigated in this paper. The paper includes a comparative analysis between the new construction of the outerrotor synchronous reluctance motor and a similar salient-pole motor with outer ferromagnetic yoke. For the comparative analysis the electromagnetic torque-angle characteristics of the both motor types are calculated by the magnetostatic field analysis with the help of computer software QuickField. The comparison results of the both motors under investigation show that higher electromagnetic torque per unit volume can be achieved with the proposed synchronous reluctance motor design without typical rotor ferromagnetic yoke.
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