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Lookup NU author(s): Professor Alan Jack,
Professor Barrie Mecrow,
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This paper presents a permanent-magnet servo motor, built with a powdered iron stator, which has been designed to take full advantage of the properties of the material. There are a number of important design features which are not possible with laminated cores. For example, the core back is axially extended over the end windings, the armature core components are subdivided and preformed stator coils are used. The coils are prepressed to form a solid component with an exceptionally high fill factor (78%). The prototype offers far superior performance to a conventionally laminated commercial machine, manufactured in the same frame.
Author(s): Mecrow BC; Stephenson D; Dickinson PG; Jack AG; Burdess JS; Fawcett N; Evans JT
Publication type: Article
Publication status: Published
Journal: IEEE Transactions on Industry Applications
ISSN (print): 0093-9994
ISSN (electronic): 1939-9367
Publisher: Institution of Electronic and Electrical Engineers
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