Method for winding the stator of a three phase generator

Details Method for winding the stator of a three phase generator Method for winding the stator of a three phase generator

1981-03-04

1983-09-06

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

310184, H02K 1500

Patent

active

044021291

ABSTRACT:
The stator of a three phase AC generator is wound automatically. A first set of partial windings consitutes the first winding. Each of the partial windings has at least one turn. The first partial winding is wound in slots 1 and 4 in the clockwise direction, the second in slots 7 and 4 in the counterclockwise direction, etc. Before the second partial winding of the first set is wound, the first partial windings of the second and third phase are wound in slots 2 and 5 and 3 and 6, respectively. Similarly, after the counterclockwise winding in slots 4 and 7, the second partial windings of the second and third phase are wound in the counterclockwise direction in slots 8 and 5 and 9 and 6, respectively. This procedure is repeated until all slots are filled. If the same winding profile is to be maintained throughout, the part of the first partial windings associated with the first, second and third phase to be inserted in slots 1, 2, 3, respectively, is left out of the slots until the last partial winding of the phases has been wound. The loose ends of the first partial windings are then pushed into the respective slots. After the partial windings are connected to each other to form the first, second and third main windings, the winding starts and the winding ends of these main windings are connected together to form the desired electrical configuration. In this connection, the start and end of the second winding are electrically interchanged, to create the required 120.degree. phase difference between all the windings.

REFERENCES:
patent: 3044150 (1962-07-01), Higley
patent: 3760493 (1973-09-01), Snively
patent: 4351102 (1982-09-01), Grozinger

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