XLPE Insulated AC Medium-voltage Submarine Cable

Applications

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.

Construction

XLPE Insulated AC Medium-voltage Submarine Cable
Conductor Copper conductor, circular stranded compacted, water blocked.
Conductor Screening Extruded semi-conductive compound.
Insulation XLPE.
Insulation Screening Extruded semi-conductive compound.
Screen Copper tapes.
Separator Plastic foil.
Core Sheath PE.
Fillers Polypropylene filler.
Separator Binder tapes.
Bedding Layer Polypropylene strings.
Armour Galvanized steel wires.
Serving Hessian tapes, bituminous compound, polypropylene strings.

Electrical Data

6/10(12) kV

Nominal Cross Section Area Capacitance Inductance Current Rating
mm^2 μF/mm mH/km A
35 0.23 0.41 166
50 0.26 0.39 196
70 0.29 0.37 240
95 0.32 0.35 287
120 0.35 0.34 325
150 0.38 0.33 364
185 0.42 0.32 408
240 0.47 0.30 471

12/20(24) kV

Nominal Cross Section Area Capacitance Inductance Current Rating
mm^2 μF/mm mH/km A
35 0.17 0.45 168
50 0.18 0.43 199
70 0.20 0.40 243
95 0.22 0.38 290
120 0.24 0.37 329
150 0.26 0.35 368
185 0.28 0.34 412
240 0.31 0.33 472

18/30(36) kV

Nominal Cross Section Area Capacitance Inductance Current Rating
mm^2 μF/mm mH/km A
50 0.14 0.46 201
70 0.15 0.43 245
95 0.17 0.41 292
120 0.18 0.40 330
150 0.19 0.38 368
185 0.21 0.37 413
240 0.23 0.35 475

Dimension and Weight

6/10(12) kV

Nominal Cross Section Area Nominal Conductor Diameter Nominal Insulation Thickness Nominal Screen Cross Section Area Nominal Core Sheath Thickness Nominal Core Diameter Nominal Bedding Thickness Nominal Steel Wire Diameter Serving Thickness Overall Diameter Weight
mm^2 mm mm mm^2 mm mm mm mm mm mm kg/m
35 7.0 3.4 16 2.5 22 2 3.15 3.5 65 6.3
50 8.2 3.4 16 2.5 23 2 3.15 3.5 68 7.0
70 9.9 3.4 16 2.5 25 2 4.0 3.5 72 8.8
95 11.5 3.4 16 2.5 26 2 4.0 3.5 76 10.0
120 13.0 3.4 16 2.5 28 2 4.0 3.5 79 11.2
150 14.5 3.4 25 2.5 29 2 4.0 3.5 82 12.3
185 16.1 3.4 25 2.5 31 2 5.0 4.0 89 15.5
240 18.6 3.4 25 2.5 33 2 5.0 4.0 94 17.8

12/20(24) kV

Nominal Cross Section Area Nominal Conductor Diameter Nominal Insulation Thickness Nominal Screen Cross Section Area Nominal Core Sheath Thickness Nominal Core Diameter Nominal Bedding Thickness Nominal Steel Wire Diameter Serving Thickness Overall Diameter Weight
mm^2 mm mm mm^2 mm mm mm mm mm mm kg/m
35 7.0 5.5 16 2.5 26 2 3.15 3.5 74 7.6
50 8.2 5.5 16 2.5 27 2 3.15 3.5 77 8.3
70 9.9 5.5 16 2.5 29 2 4.0 3.5 81 10.3
95 11.5 5.5 16 2.5 30 2 4.0 3.5 85 11.5
120 13.0 5.5 16 2.5 32 2 4.0 3.5 88 12.7
150 14.5 5.5 25 2.5 33 2 4.0 3.5 91 13.9
185 16.1 5.5 25 2.5 35 2 5.0 4.0 98 17.2
240 18.6 5.5 25 2.5 38 2 5.0 4.0 103 19.5

18/30(36) kV

Nominal Cross Section Area Nominal Conductor Diameter Nominal Insulation Thickness Nominal Screen Cross Section Area Nominal Core Sheath Thickness Nominal Core Diameter Nominal Bedding Thickness Nominal Steel Wire Diameter Serving Thickness Overall Diameter Weight
mm^2 mm mm mm^2 mm mm mm mm mm mm kg/m
50 8.2 8.0 16 2.5 33 2 3.15 3.5 88 10.0
70 9.9 8.0 16 2.5 34 2 4.0 3.5 93 12.3
95 11.5 8.0 16 2.5 36 2 4.0 3.5 96 13.5
120 13.0 8.0 16 2.5 37 2 4.0 4.0 100 14.8
150 14.5 8.0 25 2.5 39 2 4.0 4.0 103 16.0
185 16.1 8.0 25 2.5 40 2 5.0 4.0 109 19.5
240 18.6 8.0 25 2.5 43 2 5.0 4.0 114 22.0
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