Stator core cooling for dynamoelectric machines

Details Stator core cooling for dynamoelectric machines Stator core cooling for dynamoelectric machines

H - Electricity

02

K

310/32

H02K 1/20 (2006.01)

Patent

CA 1113990

STATOR CORE COOLING FOR DYNAMOELECTRIC MACHINES ABSTRACT OF THE DISCLOSURE Improved cooling is provided for the end regions of the stator cores of large dynamoelectric machines where sub- stantial losses result from the presence of axial magnetic flux. Additional cooling is provided in the tooth portion of the end regions of the core by means of axial vents in the slots for flow of coolant gas between the winding conductors and the slot walls, thus cooling the teeth and reducing excessive heat- ing, while the heated slot wall is spaced from the winding insulation and direct contact is prevented.

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