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Advanced Motor Technologies: Reluctance Motors

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Energy Efficiency Improvements in Electric Motors and Drives

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Abstract

There are two large families of reluctance motor with distinct constructional and operational features: synchronous reluctance motors and switched reluctance motors. Synchronous reluctance motors employ a virtually standard polyphase stator having a relatively large number of teeth, slots and overlapping coils. As in polyphase synchronous motors proper (i.e. those employing rotor mounted permanent magnets or dc excited coils) and induction motors, the stator sets up a rotating magnetic field whose speed (supply frequency/number of pole pairs rev/sec) is a simple function of supply frequency. However, in contrast with these more common motors whose torque can be ascribed to B.i.l forces, the reluctance motor’s torque arises from the circumferential component of the magnetic attraction force between the ‘poles’ of the rotating field pattern and the salient soft iron salient poles of the rotor.

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Author information

Authors and Affiliations

  1. Cardiff School of Engineering, UK

    H. R. Bolton

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  1. H. R. Bolton
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Editor information

Editors and Affiliations

  1. ISR - Dep. Eng. Electrotécnica, University of Coimbra, Pólo II, P-3030, Coimbra, Portugal

    Aníbal de Almeida

  2. European Commission, DG XVII Rue de la Loi, 200, B-1049, Brussels, Belgium

    Paolo Bertoldi

  3. Institute for Regelungstechnik, Technical University of Braunschweig, D-38106, Braunschweig, Germany

    Werner Leonhard

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© 1997 Springer-Verlag Berlin · Heidelberg

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Bolton, H.R. (1997). Advanced Motor Technologies: Reluctance Motors. In: de Almeida, A., Bertoldi, P., Leonhard, W. (eds) Energy Efficiency Improvements in Electric Motors and Drives. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-60832-2_16

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  • DOI: https://doi.org/10.1007/978-3-642-60832-2_16

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-63068-5

  • Online ISBN: 978-3-642-60832-2

  • eBook Packages: Springer Book Archive

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