Electrooptical communications and power cable

Details Electrooptical communications and power cable Electrooptical communications and power cable

G - Physics

02

B

G02B 6/44 (2006.01)

Patent

CA 2614986

The invention relates to an electrooptical communications and power cable (24) comprising at least one light waveguide (10), which is arranged in a central multifibre bundle (20) consisting of a smooth flexible metal tube (18) and provided with a primary jacket (16). Two layer (26, 32) of stranded metal wires are extended coaxially to said multifibre bundle (20). The metal wires are also used for relieving a traction and /or transversal load. The internal metal wire layer (26) consists of metal wires (28) exhibiting a good electric conductivity. The external metal wire layer (32) comprises the metal wires (28), which are arranged alternately individually and/or groupwisely and exhibit a good electrical conductivity and metal wires (34) exhibiting a high traction strength. The two wire layers (36, 32) are held at a distance (a) from each other by an insulating layer (30). The inventive communications and power cable (24) is used first of all for an electrooptical power connection between two voltage converters (44, 46) in an intelligent system.

L'invention concerne un câble de communication et de puissance électrooptique (24) comprenant dans un faisceau de fibres (20) central constitué d'un tube métallique (18) flexible lisse au moins une fibre optique (10) dotée d'une gaine primaire (16). Deux couches (26, 32) de fils métalliques toronnés s'étendent coaxialement au faisceau de fibres (20). Les fils métalliques servent également au soulagement de traction et/ou soulagement transversal. La couche de fils (26) interne est composée de fils métalliques (28) à bonne conduction électrique. La couche de fils (32) externe comprend, d'une part, des fils métalliques (28) qui sont placés alternativement isolément et/ou par groupes et sont de grande conduction électrique et, d'autre part, des fils métalliques (34) de grande résistance à la traction. Les deux couches de fils (36, 32) sont maintenues à distance (a) l'une de l'autre par une couche d'isolation (30). Le câble de communication et de puissance (24) sert, en premier lieu, de liaison de puissance électrooptique entre deux convertisseurs de tension (44, 46) dans un système intelligent.

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