Ice/snow accretion resistant overhead transmission line

Details Ice/snow accretion resistant overhead transmission line Ice/snow accretion resistant overhead transmission line

H - Electricity

02

G

H02G 7/16 (2006.01) H01B 5/10 (2006.01) H01B 7/28 (2006.01)

Patent

CA 2168186

Provided is an overhead transmission line comprising a steel core and energization metal stranded wires which are provided on its outer periphery in a plurality of layers. The outermost layer of the energization metal stranded wires is formed by a stranded wire which is mixedly stranded by an energization aluminum strand and at least one snow melting magnetic metal strand, so that an outer diameter formed by the snow melting magnetic metal strand mixedly stranding the outermost layer is larger than an outer diameter formed by the energization aluminum strand. According to this ice/snow accretion resistant overhead transmission line, accretive ice/snow can be more effectively melted than the prior art.

L'invention porte sur une ligne de transmission aérienne constituée d'un noyau d'acier dont la périphérie extérieure est recouverte par de nombreuses couches de fils multibrins métalliques sous tension. La couche la plus à l'extérieur des fils multibrins métalliques sous tension est formée d'un fil multibrins constitué d'une combinaison de fils d'aluminium sous tension et d'au moins un fil métallique magnétique de déglaçage de sorte que le diamètre extérieur formé par le fil multibrins magnétique de déglaçage entrelacé avec la couche la plus à l'extérieur est supérieur au diamètre extérieur du fil multibrins d'aluminium sous tension. Cette ligne de transmission aérienne résistant à l'accumulation de glace et de neige permet de faire fondre plus efficacement la glace et la neige que les lignes conçues selon la technologie antérieure.

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