Overhead power cable having light conducting fibers arranged in

Details Overhead power cable having light conducting fibers arranged in Overhead power cable having light conducting fibers arranged in

1981-04-22

1983-07-12

Lee, John D.

G02B 5172

Patent

active

043927149

ABSTRACT:
The invention relates to an overhead power cable for the simultaneous transmission of electrical energy and data signals. The cable has one of more layers of electrically conductive wires. Inside these layers, light conducting fibers are provided. Each fiber has a mantle of synthetic resin. Furthermore, all fibers are surrounded by a common sheath of synthetic resin. According to the invention the light conducting fibers are stranded with or around one or more strength members with a strand-length from 5 to 15 times the diameter of the strand. Furthermore the core of fibers and wires is provided with a band of synthetic resin within the sheath. A seamless metal shield is arranged between the sheath of synthetic resin and the wire layers.

REFERENCES:
Gladenbeck et al., "Optical Fiber Cable for Overhead Line Systems", 6th Eur. Conf. On Opt. Comm., York, G. B., Sep. 1980, pp. 359-362.
Igarashi et al., "Composite Fiber-Optic Overhead Ground Wire", Proc. of Int. Wire & Cable Symp., Nov. 1980, pp. 312-321.
Maddock et al., "Optical Fibres In Overhead Power Transmission . . .," Proc. of Int. Wire & Cable Symp., Nov. 1980, pp. 402-409.

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