Dynamoelectric machine stator wedges and method

Details Dynamoelectric machine stator wedges and method Dynamoelectric machine stator wedges and method

H - Electricity

02

K

310/109

H02K 3/48 (2006.01) H02K 3/487 (2006.01)

Patent

CA 1177869

18MT-0017 ABSTRACT OF THE DISCLOSURE In a dynamoelectric machine having a rotating field and a stationary stator core, electrical conductors are contained within axially-extending radial slots which are part of the stator core construction. The electrical conductors for stator bars are subject to electromagnetic forces and thermal cycling effects which, over a period of time, tend to cause the stator bars to become loose within their slots. The invention is an improved weding system which provides both an immediate and residual force on the stator bars which holds the bars in place even after certain steelements have taken place. Further, it is possible to determine the amount of force applied initially to the stator bars by the wedging system and any residual force after a period of operation.

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