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Medium Voltage Submarine Cables

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Submarine Cables

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

Submarine Cables

  • 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
mm² 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
mm² 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
mm² 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
mm² mm mm mm² 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
mm² mm mm mm² 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
mm² mm mm mm² 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