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1/35KV XLPE Insulated Submarine Power Cable

Voltage: 1/220KV
Core: Single or Three
Conductor: Copper conductor, circular stranded compacted, water blocked,
Conductor Screening: Extruded semi-conductive compound
Insulation: XLPE
Insulation Screening: Extruded semi-conductive compound,
Screen: Copper wires and copper helix, swelling powder
Laminated Core Sheath: Aluminium tape bonded to overlaying PE sheath
Fillers: Polypropylene filler
Fiber-Optic Element: Fiber optic cable,
Separator: Binder tapes
Bedding Layer: Polypropylene strings,
Armour: Galvanized steel wires.,
Serving: Hessian tapes, bituminous compound, polypropylene strings
Standard: ASTM, IEC, BS, DIN etc


1.submarine communications cable is a cable laid on the sea bed between land-based stations to carry telecommunication signals across stretches of ocean, which can suit for seabed and sea area ambient condition, ocean physics characteristic and requirements of laying underwater, with waterproof, anti-corrosion, good machine performance and so on.

2.Modern cables are typically about 25 millimetres (0.98 in) in diameter and weigh around 1.4 kilograms per metre (0.4 lb/ft) for the deep-sea sections which comprise the majority of the run, although larger and heavier cables are used for shallow-water sections near shore.

Submarine Cable Technical Date:

Type of fiber B1.1 B4
Wavelength(nm) 1310 1550 1550
Attenuation coefficient(max)(dB/km) 0.36 0.22 0.22
PMD M 20 20
Q 0.01% 0.01%
PMDQ (max) 0.5ps/km1/2 0.5ps/km1/2
Zero-dispersion Wavelength(nm) 1300~1324 ——
Zero-dispersion Slope (max) ps/(nm2·km) 0.093 ——
Absolute value of Chromatic Dispersion ps/(nm·km) 1288~1339nm 3.5 ——
1271~1360nm 5.3 ——
1550nm 18 ——
1530~1565nm —— 0.1~10.0
Dmax-Dmin 1530~1565nm —— 5
cut-off wavelength lcc(nm) ≤1260 ≤14

3.The submarine cables made by our company is armoured with high-tensile steel wire and used with technologies of water-proof and corrosion-proof to ensure the superior properties, test are performed in accordance with IEC60055, IEC60502 and methods recommended.

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