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Preliminary performance evaluation of switched reluctance motors with segmental rotors

Lookup NU author(s): Professor Barrie Mecrow, Eyhab El-Kharashi, Emeritus Professor John Finch, Professor Alan Jack



This paper examines the performance of switched reluctance machines which employ a segmental rotor construction in preference to the usual toothed structure. Two three-phase designs are considered, one in which the windings span a number of teeth and one in which they span a single tooth. Two demonstrators have been built-one for each design type, and their performances are compared with both conventional switched reluctance motors (SRMs) and a rare earth permanent-magnet machine. It is shown how these machines can operate from a standard SRM converter: running test results are presented and there is a discussion of general operating experience, ranging from the measurement of mean torque, voltage, and current-controlled operation to general thermal performance. © 2004 IEEE.

Publication metadata

Author(s): Mecrow BC, El-Kharashi EA, Finch JW, Jack AG

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Energy Conversion

Year: 2004

Volume: 19

Issue: 4

Pages: 679-686

Print publication date: 01/12/2004

ISSN (print): 0885-8969

ISSN (electronic): 1558-0059

Publisher: IEEE


DOI: 10.1109/TEC.2004.837290


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