Device for attachment of coil ends in generator stator...

H - Electricity – 02 – K

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H02K 3/46 (2006.01) H02K 3/50 (2006.01) H02K 9/197 (2006.01)

Patent

CA 1155894

ABSTRACT OF THE DISCLOSURE A device for attachment of coil ends in a generator stator high-voltage winding, comprising insulation spacers disposed on external surfaces of the coil ends, auxiliary spacers disposed between coil end bars, a case, spring stops anchored inside the case, and planks. The case is made of two coaxial truncated-cone members and a part of a torus member made integral therewith and incorporating a joint with a seal. Each plank is arranged between two insulation spacers, and the insulation spacers are arranged between the coil end bars and the spring stops. The insulation spacers, the planks, the spring stops and a side surface of the case form cooling passages. The device according to the present invention permits saving electric energy by vir- tue of linger periods between overhauls provided due to higher dependability of attachment of the high-voltage winding coil ends and improved cooling thereof.

363092

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