Switch gear station

Details Switch gear station Switch gear station

H - Electricity

01

F

H01F 27/32 (2006.01) H01F 27/28 (2006.01) H02B 1/00 (2006.01) H02B 5/00 (2006.01)

Patent

CA 2311748

A switch gear station comprises at least one switch gear and at least one transformer/reactor comprising at least one winding (1) including at least one electric conductor (2). The conductor has an insulation system comprising an insulation (4) formed by a solid insulation material and, inwardly of the insulation, an inner layer (3) having an electric conductivity which is lower than the conductivity of the electric conductor but sufficient to cause the inner layer to operate for equalisation as concerns potential and, accordingly, equalisation as concerns the electric field exteriorly of the inner layer.

L'invention concerne un poste de commutation comprenant au moins un appareillage de commutation et au moins un transformateur/réacteur équipé d'au moins un enroulement (1), lequel renferme au moins un conducteur électrique (2). Ce conducteur est doté d'un système d'isolation qui comprend une isolation (4) constituée d'un matériau isolant solide. A l'intérieur de l'isolation se trouve une couche interne (3) dont la conductivité électrique est inférieure à celle du conducteur électrique, mais qui reste suffisante pour permettre à ladite couche interne d'assurer une égalisation en matière de potentiel et, partant, une égalisation quant au champ électrique à l'extérieur de la couche interne.

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