Edge element analysis of brushless motors with inhomogeneously magnetized permanent magnets

Dorota Stachowiak (Institute of Industrial Electrical Engineering, Poznań University of Technology, Poznań, Poland)


This paper demonstrates how the 3D edge element method can be applied to the analysis of permanent magnet motors. The edge element method using the vector magnetic potential has been used. Special attention has been paid to the analysis of systems with inhomogeneously magnetized permanent magnets. The magnets are not skewed and are mounted on a cylindrical laminated rotor. Calculations have been performed for different magnet widths and different distribution of the magnetization vector. Brushless motors with radially and inhomogeneously magnetized magnets have been compared.



Stachowiak, D. (2004), "Edge element analysis of brushless motors with inhomogeneously magnetized permanent magnets", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 23 No. 4, pp. 1119-1128. https://doi.org/10.1108/03321640410510839

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