Eddy-current loss in the rotor magnets of permanent-magnet brushless machines having a fractional number of slots per pole

By D. Ishak, Z. Q. Zhu, David Howe. IEEE transactions on magnetics, 2005

358 citations recorded by the source corpus.

Subfields: Control and Systems Engineering, Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials

View Paper: https://www.semanticscholar.org/paper/fe30a7058cb4c39397dc87c171d319739930bfa0

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In Control and Systems Engineering

In Electrical and Electronic Engineering

In Electronic, Optical and Magnetic Materials

Citations in the corpus

Winding Configurations and Optimal Stator and Rotor Pole Combination of Flux-Switching PM Brushless AC Machines (2010, background): “However, the rotor eddy current loss, particularly in the rotor magnets, in the conventional fractional-slot PM machines is usually high [13], [14], and their torque density is often limited by the temperature rise of magnets on the rotor due to its relatively poor thermal condition.”
Computationally efficient approaches for evaluation of rotor eddy current loss in permanent magnet brushless machines (2009, methodology): “developed in 2D polar coordinates and is applicable to both internal and external rotor machines [5,6, 8 ].”
An Improved Subdomain Model for Predicting Magnetic Field of Surface-Mounted Permanent Magnet Machines Accounting for Tooth-Tips (2011, methodology): “The 2-D slotless analytical model received extensive applications in the permanent-magnet machines [6]–[10] for predicting electromagnetic performance [11], [12], losses [13]–[15], radial force [16], [17], and unbalanced magnetic force [18], [19] etc.”
Parasitic Effects in PM Machines With Concentrated Windings (2005, background): “1) The fundamental winding factor should be as high as possible since it is proportional to the PM flux linkage and, therefore, also to the electromagnetic torque.”
An Accurate Subdomain Model for Magnetic Field Computation in Slotted Surface-Mounted Permanent-Magnet Machines (2010, methodology): “This model was applied to predict the eddy current loss in the magnets and the retaining sleeve neglecting the eddy current reaction field [35], to derive a simplified model for predicting the eddy-current loss in rotor magnets [36], to analyze the harmonic contents of radial force distribution in P”