CPC H02K 1/276 (2013.01) [H02K 1/165 (2013.01); H02K 11/01 (2016.01); H02K 2213/03 (2013.01)] | 11 Claims |
1. A method comprising:
selecting a first number of segments of a plurality of segmented metallic bands that is greater than a number of segments of a plurality of magnet segments, wherein the plurality of segmented magnets are configured to be disposed about an outer surface of a rotor core, wherein the plurality of segmented metallic bands are configured to secure the plurality of segmented magnets to the outer surface of the rotor core;
determining one or more alternating magnetic field harmonic frequencies causing an eddy current loss in a rotor assembly including both the plurality of segmented magnets and the plurality of segmented metallic bands;
determining a first axial length of each segment of the plurality of segmented bands that reduces the eddy current loss of the rotor assembly; and
determining a second number of segments of the plurality of segmented metallic bands based on the first axial length.
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