A ROTOR FOR AN ELECTRIC MACHINE

The present disclosure relates to a rotor of an electric machine. It is an object of the invention to provide a rotor of an electric machine with a reliable cooling of the rotor winding. Described is a rotor for an electric machine with a rotor core with slots to house conductor bars of winding coil...

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Bibliographic Details
Main Authors Bahr, Sayantan, Giardino, Flavio, Srinivasan, Satish, Olivier, Philippe
Format Patent
LanguageEnglish
French
German
Published 26.02.2020
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:The present disclosure relates to a rotor of an electric machine. It is an object of the invention to provide a rotor of an electric machine with a reliable cooling of the rotor winding. Described is a rotor for an electric machine with a rotor core with slots to house conductor bars of winding coils, with sub-slots below the slots to transport a cooling medium via a first radial passage into a first cavity with radially decreasing cross section area, connected to second axially passages, which are connected to a second cavity with radially increasing cross section area, and a second radial passage to radially purge the cooling medium.
Bibliography:Application Number: EP20160153069