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In DC-biased sinusoidal current vernier reluctance machines (DC-biased-VRMs), the DC exciting winding and AC armature winding are integrated into one single winding. Therefore, the copper loss can be reduced with torque density increasing, and only one set of power electronic converter is demanded. This paper is to propose a DC-biased-VRMs drive with asymmetrical power electronics devices and corresponding...
Flux reversal permanent magnet machines (FRPMMs) exhibit many advantages such as simple rotor configuration, high torque density, fast transient response, etc. However, the general analytical design procedure of FRPMMs has not been established. Thus, this paper mainly focuses on developing an analytical design methodology of three-phase FRPMMs. First, the sizing equations are derived based on a magneto...
An advanced control strategy of a variable flux vernier reluctance machine is proposed to improve efficiency and load capacity in this paper. Distinguished with traditional vernier machines, this machine has a novel doubly salient structure with DC field-exciting windings in stator slots. Losses of this machine are produced in both three-phase armature windings and DC windings, which occasionally...
Dual-stator, spoke-array vernier permanent magnet (DSSA VPM) machines proposed in the previous paper have been proven to be high-torque density and high-power factor. This paper presents the detailed DSSA VPM machines design process including comparison of different DSSA VPM topologies, analytical sizing equation, geometric size relationship and so on. Besides, some key parameters, such as the ratio...
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