Cross-linked polyethylene insulated multi-core coaxial power cable
A cross-linked polyethylene and power cable technology, applied in the direction of insulated cables, coaxial cables, insulated conductors, etc., can solve the problems of cable electrical performance degradation, easy displacement of cores, easy core breakage, etc. Strong fire resistance, not easy to break
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[0017] Such as figure 1 As shown, a cross-linked polyethylene insulated multi-core coaxial power cable according to the present invention includes a cable core, and PVC insulating material 6 is filled in the gap of the cable core; an outer conductor 7 is arranged outside the cable core, and the The outer conductor is made of multiple aluminum alloy monofilaments 8; the outer conductor is wrapped with a rock wool insulation layer 9 with a thickness of 0.48-0.9mm, and the rock wool insulation layer is extruded with a thickness of 1-2cm Aluminum sheath 10; the cable core is made of three insulated wire cores and a triangular reinforcing rib 1 connecting the three insulated wire cores; It consists of a 2mm cross-linked polyethylene insulating layer 4 and a shielding layer 5 with a thickness of 2-3mm extruded outside the cross-linked polyethylene insulating layer.
[0018] The triangular reinforcing rib 1 is composed of a circular insulating plastic core and three plastic brackets...
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