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A new design technique based on a suitable choice of rotor geometrical parameters to maximize torque and power factor in synchronous reluctance motors. II. Finite-element analysis and measurements

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5 Author(s)
I. E. Chabu ; Escola Politecnica, Sao Paulo Univ., Brazil ; J. R. Cardoso ; V. C. Silva ; S. I. Nabeta
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The influence of rotor geometry of synchronous reluctance motors (SRMs) on the xd/xq ratio, electromagnetic torque and iron losses is studied. Both air-gap length and rotor pole arc are taken into account as parameters. In the first part, a new theoretical approach was developed neglecting saturation effects. Here, the analytical determination of the parameters and the machine behaviour is performed for a particular SRM, on the statement of Part I, including saturation effects. Also a complete finite-element analysis is carried out, followed by a comparison with results obtained by tests performed in a prototype machine, which was constructed in order to validate the proposed methodology

Published in:

IEEE Transactions on Energy Conversion  (Volume:14 ,  Issue: 3 )