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Vibration and noise are the fetters which restrict the development of switched reluctance motor drive; this paper presented a new rotor structure which mitigates motor's vibration and noise effectively. Based on the permeability theory, set holes on the rotor without filling materials in order to reduce the magnetic flux at the aligned position, further more, reduce the radial force amplitude from...
This paper compares the radial vibration forces in 10-pole/12-slot fractional-slot SPM and IPM machines which are designed to produce the same output torque, and employ an identical stator but different SPM, V-shape and arc-shape IPM rotor topologies. The airgap field and radial vibration force density distribution as a function of angular position and corresponding space harmonics (vibration modes)...
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