Two‐ and three‐dimensional computations of the cogging torque in a brushless dc motor are compared with measurements for both skewed and unskewed stators. The modeling of stator skew is considered both using a full three dimensional model with and without material anisotropy and using a set of displaced two‐dimensional slices. The errors inherent in the latter approach are discussed. A cost/benefit trade‐off between three‐dimensional and two‐dimensional analyses is considered.
Lowther, D., Forghani, B. and Deshpande, U. (2001), "A comparison of 2D and 3D analysis methods for the prediction of cogging torque in an electrical machine having skewed slots", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 20 No. 2, pp. 570-580. https://doi.org/10.1108/03321640110383906Download as .RIS
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