H - Electricity – 01 – B
Patent
H - Electricity
01
B
H01B 7/02 (2006.01) H01B 7/28 (2006.01) H02G 7/14 (2006.01)
Patent
CA 2108059
A vibration resistant overhead electrical cable is provided, such as a high-voltage transmission line, which comprises an insulated conductor, the insulation of which has an axially continuously rotating oval or elliptical outer periphery such that the aerodynamic forces acting on the cable act in a continuously changing direction, thereby reducing the tendency of the cable to vibrate. The ratio of the major to minor axis of the oval or elliptical shape is preferably between 1.1 and 1.2 and the length between axial rotations along the longitudinal axis of the cable is usually between about 2.5 and 3.5 meters.
Câble électrique aérien résistant aux vibrations, utilisé comme ligne de transport haute tension, par exemple, comportant un conducteur isolé, et dont l'isolation se caractérise par sa configuration périphérique ovale ou elliptique en rotation continue dans l'axe longitudinal, de telle sorte que les forces aérodynamiques exercées sur le câble changent continuellement de direction, ce qui a pour effet de diminuer la tendance à la vibration. Le rapport de l'axe principal au petit axe de la configuration ovale ou elliptique est de 1.1 et 1.2 et la longueur entre les rotations axiales dans l'axe longitudinal est habituellement de l'ordre de 2,5 à 3,5 mètres.
Alcatel Canada Inc.
Na
Nexans Canada Inc.
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