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In this paper a simplified technique to allow for the dq modelling of a double layer, non-overlap, multiphase slip permanent magnet coupling is introduced. The proposed technique can also be used where the active conductor areas of the upper and lower coils do not match. This technique enables a machine designer to optimise these types of machines using static finite element solutions, which are considerably...
In this paper, an optimal design of a high-speed switched reluctance motor (SRM) with lower torque ripple using the Taguchi method for household appliances has been presented. To enhance the efficiency and reduce the manufacture processes of the proposed high-speed double-salient SRM, the soft magnetic composite (SMC) material is adopted. Moreover, to decrease noise and vibration of the double-salient...
In this paper, a permanent magnet brushless machine for wind power with novel concentrated windings, is introduced, in which the special combination of stator slots/rotor poles is employed, resulting in high power density and low cogging torque. The distinct topology and operation principle are analyzed by using a 3-phase 24/22-pole prototyped machine as an example. Based on finite element method,...
This paper investigates an interior permanent magnet synchronous motor with 8 rotor poles and nonuniform (6+6) stator slots and concentrated windings fed with trapezoidal currents, in order to maximize the pole flux, while keeping a minimal level of cogging torque simultaneously. Dimensioning procedure of the proposed solution was done based on experience and it was validated using Finite Element...
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