A cable for electrical windings, and such a winding

Details A cable for electrical windings, and such a winding A cable for electrical windings, and such a winding

H - Electricity

01

F

H01F 27/34 (2006.01) H01F 27/28 (2006.01) H01F 27/32 (2006.01)

Patent

CA 2276348

In an electric cable, designed for an electric winding, such as a transformer or reactor winding, an electrically conducting core (2) is arranged to be in contact with an inner, first semiconducting layer (4) surrounding the core. A first insulating layer (6) is arranged on the outside of the first semiconducting layer surrounding it. An outer, second semiconducting layer (8) is arranged on the outside of the first insulating layer surrounding it. Means (16, 18) are also provided on the outside of the second semiconducting layer to earth the cable for alternating voltage and/or impulse voltage continually along at least a substantial part of its length.

Cette invention se rapporte à un câble électrique qui est conçu pour un enroulement électrique, tel qu'un enroulement de transformateur ou de réacteur, et qui comprend un noyau électroconducteur (2) placé en contact avec une première couche semi-conductrice interne (4) entourant le noyau. Une première couche isolante (6) est disposée sur l'extérieure de la première couche semi-conductrice de façon à l'entourer. Une seconde couche semi-conductrice externe (8) est disposée sur l'extérieur de la première couche isolante de façon à l'entourer. Des moyens (16, 18) sont également placés sur l'extérieur de la seconde couche semi-conductrice pour mettre le câble à la terre en vue de créer une alternance de tension et/ ou des impulsions de tension en continu sur la majeure partie au moins de la longueur dudit câble.

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