H - Electricity – 01 – F
Patent
H - Electricity
01
F
26/119, 336/16
H01F 27/00 (2006.01) H01F 27/08 (2006.01) H01F 27/32 (2006.01) H01F 41/06 (2006.01) H01F 41/12 (2006.01)
Patent
CA 1182876
- 12 - ABSTRACT OF THE DISCLOSURE An electrical inductive apparatus, for example a transformer or a reactor, comprises a core and at least one winding wound around the core and formed of a plurality of superimposed turns of sheet-formed electrically-conduct- ing material. The winding includes at least one element which, together with a surface of at least one of the turns of the winding, defines a plurality of channels for conducting an electrically-insulating fluid in contact with a part of said surface. These channels are defined between adjacent pairs of a plurality of connected together elongated spacing means of the element which are arranged in substantially parallel spaced relationship and which contact said surface. Each spacing means has a thickness which increases from a central region of the spacing means towards each of its opposite ends. This enables the turns of the winding to be flared-out at their opposite ends in a suitable manner with respect to the electrical proper- ties of the winding. The element may be manufactured from a sheet of insulating material by profile sawing in a processor-controlled sawing machine.
396879
Asea Aktiebolag
Robic Robic & Associes/associates
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