Orthogonal transformation of moving grid model into fixed grid model in the finite element analysis of induction machines

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

Abstract

The equivalent fixed grid and moving grid models for the finite element (FE) analysis of an induction machine are presented. The discussed transformation is the FE representation of the classical commutator transformation. The obtained fixed grid model takes into account the higher space harmonics of the flux density wave and can be used in the FE analysis of the machines with solid rotor, drug‐cap rotor, and squirrel cage winding. The models have been applied in the calculations of TEAM Workshop problem No. 30. The test problem has been solved analytically. The FE results and analytical results are very close.

Keywords

Citation

Demenko, A. and Stachowiak, D. (2004), "Orthogonal transformation of moving grid model into fixed grid model in the finite element analysis of induction machines", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 23 No. 4, pp. 1015-1022. https://doi.org/10.1108/03321640410553445

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Emerald Group Publishing Limited

Copyright © 2004, Emerald Group Publishing Limited

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