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MAGNETIC FIELD OF HIGHTORQUE STEPPING MOTOR WITH MULTIPHASE SUPPLY

J. Wagner, D. Maga, R. Ort‐Šnep
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Abstract

In spite of our previous results, where we have investigated the simplified 2D model, we would like to present our results coming out from real motor geometry. We use the Finite Element Method to solve the magnetic field of real cross‐section of hightorque stepping motor. This point of view allows us to investigate the multiphase (2 phase) supply. We are able to supply the motor with different current amplitude in each phase and with different polarity as well. The simplified model was used for slot and tooth shapes and sizes design optimisation, air‐gap width optimisation with reaching the maximal possible torque. Now we are going to verify these results and compare them to our latest ones. The comparison will be made by showing the magnetic field layout in the motor (with different current supply) in different stator‐rotor position. We will present tables and figures of some important variables, necessary for torque computation. We will compare these variables in the simplified and in the real motor. Then, on the base of the magnetic field solution, we will show the possible ways of rotor torque computation.

Citation

Wagner, J., Maga, D. and Ort‐Šnep, R. (1995), "MAGNETIC FIELD OF HIGHTORQUE STEPPING MOTOR WITH MULTIPHASE SUPPLY", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 14 No. 4, pp. 129-132. https://doi.org/10.1108/eb051928

Publisher

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MCB UP Ltd

Copyright © 1995, MCB UP Limited

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