Dynamoelectric machine having improved interleaved stator end tu

Details Dynamoelectric machine having improved interleaved stator end tu Dynamoelectric machine having improved interleaved stator end tu

1980-04-10

1982-08-24

Truhe, J. V.

Electrical generator or motor structure

Dynamoelectric

Rotary

310201, 310260, H02K 116

Patent

active

043463207

ABSTRACT:
Disclosed is a dynamoelectric machine stator winding having a plurality of coil sides of varying lengths disposed in a plurality of slots located around the inner periphery of a tubular stator core. Top and bottom coil sides (radially inner and outer positions) of unequal length are placed within the slots and interconnected such that top coil sides are joined to bottom coil sides disposed in other slots when the top coil sides, as dictated by winding topology (for phase interspersed connector ring segments), are longer than the commonly slotted bottom coil sides. When the bottom coil side in a subject slot is longer than the commonly slotted top coil side, the top and bottom coil sides are lengthened and shortened, respectively, and the top and bottom coil sides in the subject slot are respectively joined to top and bottom coil sides on both axial ends of the stator. In all cases the coil sides are joined by connector ring segments interspersed according to phase and having a body portion with a common radius of curvature and a radially inwardly directed conductive arm of predetermined length on each end thereof. The length of the conductive arms are varied according to the position (top or bottom) occupied by the respective to-be-joined coil sides.

REFERENCES:
patent: 268205 (1882-11-01), Edison
patent: 2407935 (1946-09-01), Perfetti et al.

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