Three-core photoelectric composite submarine cable with 220kV rated voltage
A rated voltage, photoelectric composite technology, applied in submarine cables, power cables, power cables with shielding layers/conducting layers, etc. Achieve the effect of improving the effective utilization rate and reducing the sea area
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[0013] The present invention will be described in further detail below in conjunction with the embodiments of the drawings.
[0014] As shown in the figure, the rated voltage 220kV three-core photoelectric composite submarine cable includes an outer covering layer 1, an armor layer 2 and an inner lining layer 3 distributed in order from the outside to the inside. The inner lining layer 3 is provided with three two-phase outer Cut the electric unit, the electric unit includes the conductor 7, the conductor shielding layer 8, the insulating layer 9, the insulating shielding layer 10, the water blocking buffer layer 11, the lead alloy sleeve 12 and the inner sheath 13, which are distributed in sequence from the inside to the outside. The three gaps enclosed by the inner lining layer 3 are filled with multiple filling units, the central gap surrounded by the three electrical units is filled with a parallel strand filling rope 14, three electrical units, and a parallel strand filling r...
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