Rotating electrical machine and coil

Details Rotating electrical machine and coil Rotating electrical machine and coil

2005-08-10

2009-08-04

Hanh, Nguyen N (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S179000

Reexamination Certificate

active

07569966

ABSTRACT:
A stator coil, being a rectangular coil, is wound on a salient pole, striding across a plurality of slots, while being inserted sequentially through the inlet of a predetermined slot of the stator core. The stator coil comprises two slot inserts and to be inserted into the slot; two coil ends and located outside the end of the slot; and four twist sections arranged between the slot inserts and coil ends, processed by twisting. In the twist sections, twisting is applied to ensure that the surface of the rectangular coil in the second coil end will be opposite to the surface of the rectangular coil in the first coil end. The start of winding of the rectangular coil and the end of winding of the same coil are located on the same surface. Thereby, a rotating electrical machine with the large internal dimensions without increasing the external dimensions is achieved.

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