H - Electricity – 02 – G
Patent
H - Electricity
02
G
H02G 15/068 (2006.01) H02G 15/06 (2006.01)
Patent
CA 2489549
A method of building a cable termination is provided the termination comprising an outer insulator body, a substantially longitudinally extended interior member comprising the electrical cable to be terminated, having a conductor for carrying load, an insulating material, filled in a cavity between the outer insulator body and the interior member and means for accommodating volume expansions of the insulating material filled within the cavity. The method comprises the steps of: creating the cavity by introducing the interior member into the insulator body; filling the insulating material into the cavity and sealing the termination. According to the present invention a volume change compensation member having a predetermined volume to accommodate volume expansions of the insulating material within the cavity is placed into the cavity. Respective terminations are provided as well.
La présente invention concerne un procédé pour réaliser une terminaison de câble, la terminaison comprenant un corps isolant externe (2), un élément interne d'extension sensiblement longitudinale comprenant le câble électrique (4, 5) à terminer, présentant un conducteur (5.1) porteur de charge, un matériau isolant (3) qui remplit une cavité formée entre le corps isolant externe (2) et l'élément interne (4, 5), et un élément qui sert à compenser les expansions de volume du matériau isolant (3) qui remplit la cavité. Le procédé comprend les étapes suivantes: formation de la cavité par introduction de l'élément interne (4, 5) dans le corps isolant (2); remplissage de la cavité avec le matériau isolant (3); et fermeture de la terminaison. Selon l'invention, un élément de compensation de changement de volume (13) ayant un volume prédéterminé pour compenser les expansions de volume du matériau isolant (3) dans la cavité, est disposé dans la cavité. L'invention a également pour objet des terminaisons correspondantes.
Kirby Eades Gale Baker
Pirelli & C. S.p.a.
Prysmian Cavi E. Sistemi Energia S.r.l.
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