Strategies for two-dimensional and three-dimensional field computation in the design of permanent magnet motors

Wojciechowski, R., Jedryczka, C., Demenko, A. and Sykulski, J.K. (2015) Strategies for two-dimensional and three-dimensional field computation in the design of permanent magnet motors. IET Science, Measurement & Technology, 9 (2), 224-233. (doi:10.1049/iet-smt.2014.0189).

Record type: Article

Abstract

This study discusses strategies for the design of permanent magnet motors (PMMs) exploiting two-dimensional (2D) and 3D field models. Five most common methodologies are compared and errors arising from 2D classical models considered. Examples comparing 2D and 3D results are presented and discussed for two selected types of motors. An approach has been put forward which allows the accuracy of classical 2D models to be improved by introducing correction coefficients arising from preliminary 3D simulations. A possibility of employing quasi-3D models has also been explored for the design and analysis of PMMs with the stator and rotor lamination packets of different lengths. Comparative analysis of results has been provided arising from the 2D and 3D models for a classical and a double rotor PMM.

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