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XLPE Insulated AC Medium-voltage Submarine Cable

It is medium voltage submarine cable, copper conductor,XLPE Insulation, copper wire screen, galvanized steel wire armored.

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Application

These submarine cables are used for power transmission to offshore islands, oil platforms or to cross-rivers and lakes. Cable design based on the mayor national or international standards e.g. VDE, IEC and ICEA or according to customers design and standards.


Standard

IEC 60228; IEC 60502;

IEC 60840; IEC 62067.


Construction

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.

Fibre-optic Element: Fibre optic cable.

Separator: Binder tapes.

Bedding Layer: Polypropylene strings.

Armour: Galvanized steel wires.

Serving: Hessian tapes, bituminous compound, polypropylene strings.


Technical data

Operating voltage: 6/10(12) kv, 12/20(24) kv, 18/30(36) kv

Permittivity ε : 2.3

Insulation esistance Ω.cm : 1017

Operation temperature:–40°C to + 90°C

Permissible short therm: + 250°C

Lowest ambient temperature:–60°C


Special version upon request

Lead sheath required

Waterproof layer


Advantages

Good mechanical and tempereture performance

Single-steel ensures good performance of tensile strength

Crush resistance and flexibility

Waterproof


Dimensions and Weights

Rated VoltageNominal Cross Section AreaNominal Conductor DiameterNominal Steel Wire DiameterServing ThicknessOverall DiameterWeight
mm²mmmmmmmmkg/m
6/10(12) kv3573.153.5656.3
508.23.153.5687
709.943.5728.8
9511.543.57610
1201343.57911.2
15014.543.58212.3
18516.1548915.5
24018.6549417.8
12/20(24) kv3573.153.5747.6
508.23.153.5778.3
709.943.58110.3
9511.543.58511.5
1201343.58812.7
15014.543.59113.9
18516.1549817.2
24018.65410319.5
18/30(36) kv508.23.153.58810
709.943.59312.3
9511.543.59613.5
120134410014.8
15014.54410316
18516.15410919.5
24018.65411422

Electrical specifications

Rated VoltageNominal Cross Section AreaCapacitanceInductanceCurrent Rating
mm²μF/mmmH/kmA
6/10(12) kv350.230.41166
500.260.39196
700.290.37240
950.320.35287
1200.350.34325
1500.380.33364
1850.420.32408
2400.470.3471
    12/20(24) kv350.170.45168
500.180.43199
700.20.4243
950.220.38290
1200.240.37329
1500.260.35368
1850.280.34412
2400.310.33472
  18/30(36) kv500.140.46201
700.150.43245
950.170.41292
1200.180.4330
1500.190.38368
1850.210.37413
2400.230.35475

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