Abstract
In this paper, novel seven-phase adjacent stator teeth mutually coupled switched reluctance motor (ASTMC-SRM) is proposed and investigated, which is characterized with high power density and low torque ripple due to the increasing of conducting region. Firstly, The motor structure and the operation principle of the novel motor are presented. Secondly, the mathematical model of ASTMC-SRM is established. Both the mutual inductance and self-inductance of the proposed ASTMC-SRM are important parameters to generate torque. Thirdly, the finite-element method (FEM) is employed in order to get the static and dynamic characteristics of the proposed SRM. The simulation results are presented and analyzed. Compared with a conventional SRM with the same out diameter and rotor diameter, the ASTMC-SRM has a higher output torque with low torque ripples. Finally, to verify the novelty and merits of high power density, high mean output torque and low torque ripple characteristic, the ASTMC-SRM is prototyped and tested and its flux linkage, static torque curves, current and voltage waveforms, speed and torque waveforms are measured.
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