XLPE Insulated DC High-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 DC High-Voltage Submarine Cable
Conductor Copper conductor, water blocked.
Conductor Screening Extruded semi-conductive compound.
Insulation XLPE.
Insulation Screening Extruded semi-conductive compound.
Separator Swelling tape.
Core Sheath1 Lead Sheath.
Core Sheath2 PE sheath.
Bedding Bedding layer.
Armour Galvanized steel wires filled with bitumen compound.
Serving Polypropylene yarn.

Electrical Data

127/220(245) kV

Nominal Cross Section Area Capacitance Inductance Charging Current per phase @50Hz
mm^2 μF/km mH/km A/km
500 0.14 1.42 5.8
630 0.16 1.40 6.4
800 0.17 1.37 6.9
1000 0.19 1.35 7.4
1200 0.20 1.33 7.8
1400 0.21 1.32 8.2
1600 0.22 1.31 8.6

160/275(300) kV

Nominal Cross Section Area Capacitance Inductance Charging Current per phase @50Hz
mm^2 μF/km mH/km A/km
500 0.14 1.42 6.8
630 0.16 1.40 7.7
800 0.17 1.37 8.3
1000 0.18 1.35 9.0
1200 0.19 1.33 9.5
1400 0.20 1.32 10.0
1600 0.21 1.31 10.4

200/345(362) kV

Nominal Cross Section Area Capacitance Inductance Charging Current per phase @50Hz
mm^2 μF/km mH/km A/km
630 0.14 1.40 8.8
800 0.15 1.37 9.7
1000 0.17 1.35 10.7
1200 0.18 1.33 11.1
1400 0.19 1.32 11.6
1600 0.20 1.31 12.1

230/400(420) kV

Nominal Cross Section Area Capacitance Inductance Charging Current per phase @50Hz
mm^2 μF/km mH/km A/km
630 0.13 1.40 9.6
800 0.15 1.37 10.7
1000 0.16 1.35 11.7
1200 0.18 1.33 12.9
1400 0.19 1.32 13.5
1600 0.19 1.31 14.1

Dimension and Weight

127/220(245) kV

Nominal Cross Section Area Nominal Conductor Diameter Nominal Insulation Thickness Nominal Diameter Over Insulation Nomanal Lead Sheath Thickness Nominal Overall Diameter Weight
mm^2 mm mm mm mm mm kg/m
500 26.2 24.0 77.6 2.9 111.0 29.3
630 29.8 23.0 79.2 3.0 112.8 31.2
800 33.7 23.0 83.1 3.1 117.5 34.5
1000 37.9 23.0 87.3 3.1 121.9 37.7
1200 41.2 23.0 90.6 3.1 125.2 40.4
1400 44.4 23.0 93.8 3.1 128.6 43.2
1600 47.4 23.0 96.8 3.1 131.8 46.0

160/275(300) kV

Nominal Cross Section Area Nominal Conductor Diameter Nominal Insulation Thickness Nominal Diameter Over Insulation Nomanal Lead Sheath Thickness Nominal Overall Diameter Weight
mm^2 mm mm mm mm mm kg/m
500 26.2 26.0 81.6 3.0 115.2 31.1
630 29.8 24.0 81.2 3.0 114.8 31.8
800 33.7 24.0 85.1 3.1 119.5 35.2
1000 37.9 24.0 89.3 3.1 123.9 38.4
1200 41.2 24.0 92.6 3.1 127.4 41.6
1400 44.4 24.0 95.8 3.1 130.6 44.4
1600 47.4 24.0 98.8 3.1 133.8 47.2

200/345(362) kV

Nominal Cross Section Area Nominal Conductor Diameter Nominal Insulation Thickness Nominal Diameter Over Insulation Nomanal Lead Sheath Thickness Nominal Overall Diameter Weight
mm^2 mm mm mm mm mm kg/m
630 29.8 28.0 89.2 3.1 123.4 35.2
800 33.7 27.0 91.1 3.1 125.9 37.5
1000 37.9 26.0 93.3 3.1 128.1 39.9
1200 41.2 25.0 94.6 3.1 129.4 42.0
1400 44.4 25.0 97.8 3.1 132.8 44.9
1600 47.4 25.0 100.8 3.1 135.8 47.7

230/400(420) kV

Nominal Cross Section Area Nominal Conductor Diameter Nominal Insulation Thickness Nominal Diameter Over Insulation Nomanal Lead Sheath Thickness Nominal Overall Diameter Weight
mm^2 mm mm mm mm mm kg/m
630 29.8 32.0 98.2 3.1 132.8 38.8
800 33.7 30.0 98.1 3.1 133.1 40.2
1000 37.9 29.0 100.3 3.1 135.3 42.6
1200 41.2 27.0 99.6 3.1 134.6 44.0
1400 44.4 27.0 102.8 3.1 138.0 46.9
1600 47.4 27.0 105.8 3.1 141.0 49.7
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