Stress reduction in electrical machines

A rotating electrical machine has a rotor composed of laminations having salient poles. The poles have one or more holes which are positioned so as to reduce the peak stress experienced by the lamination when the rotor is rotating. The holes are chosen according to a disclosed design procedure which...

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Bibliographic Details
Main Authors FULTON, NORMAN NEILSON, SYKES, PAUL ANDREW, DURAIRAJ, THILAK RAJ, DICKINSON, PHILLIP GEORGE
Format Patent
LanguageEnglish
French
German
Published 23.11.2011
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:A rotating electrical machine has a rotor composed of laminations having salient poles. The poles have one or more holes which are positioned so as to reduce the peak stress experienced by the lamination when the rotor is rotating. The holes are chosen according to a disclosed design procedure which gives a reduction in peak stress for a given limit on the output of the machine.
Bibliography:Application Number: EP20110166499