H - Electricity – 01 – B
Patent
H - Electricity
01
B
H01B 17/30 (2006.01)
Patent
CA 2612653
A bushing (1) for electrical current and/or voltage through a grounded plane (2) comprising a substantially rotationally symmetrical insulating body (3) surrounding a central electrical conductor (4). The bushing exhibits a sealing member (5) for gas /liquid sealing between the conductor and the insulator body, which is in the form of a so-called RIP (Resin Impregnated Paper) body. According to the invention, the bushing is provided with a compressible sealing element (6), which forms a gas /liquid seal, integrated with the insulating body, between the conductor and the insulating body. The invention also relates to a method of manufacturing a bushing. The bushing is preferably intended for higher voltages, from 36 kV up to 800 kv and above. The bushing may preferably be used with a transformer but also with a cable termination.
Un isolateur de traversée (1) pour un courant et/ou une tension électrique traversant une carte à la masse (2) comprenant un corps isolant (3) à symétrie de rotation entourant un conducteur électrique central (4). L'isolateur de traversée comporte, entre le conducteur et le corps d'isolateur, un joint d'étanchéité (5) s'opposant au passage de gaz ou de liquides, et fait d'un corps en papier à la résine. Selon l'invention, le joint de l'isolateur est compressible (6). L'invention concerne également un procédé de fabrication de l'isolateur. Ce dernier est de préférence prévu pour les hautes tensions allant de 36 kV à 800 kV au moins. Cet isolateur de traversée s'utilisera de préférence sur un transformateur, mais également sur une terminaison de câble.
Sjoeberg Peter
Staehl Robert
Abb Technology Ltd.
Marks & Clerk
LandOfFree
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