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This paper illustrates a general design process used for implementing non-overlapping concentrated windings in an interior permanent magnet (IPM) machine for field weakening applications. This design process was verified by finite element analysis (FEA) of a 18-slot, 14-pole model. The optimization process of torque and field weakening performance resulted in a design with thin inter-pole link sections...
A bearingless permanent magnet (PM) motor combines functions of non-contact magnetic suspension and torque generation together, thus it can drive without mechanical contact. Unlike conventional bearingless PM motors, such as a surface-mounted PM motor, a consequent-pole type of bearingless PM motor has inherent advantages. It can regulate the radial rotor positions independently of the motor drive...
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