Method for repairing a connecting device for the electrical conn

Details Method for repairing a connecting device for the electrical conn Method for repairing a connecting device for the electrical conn

1996-01-26

1997-08-26

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

2940208, 2940216, 228165, 228170, 310 54, 310 60A, H02K 1514

Patent

active

056599447

ABSTRACT:
A method of repairing a joint between conductor elements of a stator winding bar of an electrical machine and a connecting device connected to an end of the stator winding bar for providing electrical connection and coolant flow for the conductor elements includes the steps of removing an existing connecting device from the end of the stator winding bar; aligning the conductors of the end of the stator winding bar by heating the bar end to above the flow point of the braze holding the conductors in position while simultaneously holding the conductors of the end of the stator winding bar under compression in two orthogonal directions perpendicular to the length of the stator winding bar; forming slots in the end of the stator winding bar and at locations such that the slots extend to locations where the conductor elements abut one another; applying an electrically conductive first connecting part onto the end of the stator winding bar such that the first connecting part substantially surrounds the end of the stator winding bar and sealing the gaps and slots.

REFERENCES:
In-Place Brazing Solution To Liquid cooled Stator Winding Leaks, James K. Taillon et al, Mechanical Dynamics and Analysis (MDA), pp. 1-5.

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