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XLPE Insulated DC High-voltage Submarine Power Cable

It is high voltage submarine cable with copper conductor,XLPE insulation, 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, 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.


Technical data

Operating voltage: 127/220(245) kv, 160/275 (300)kv, 230/300(420) 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

Waterproof version 

Water blocking

Galvanized steel wires armored 


Advantages

Good mechanical and tempereture performance

Single-steel ensures good performance of tensile strength

Crush resistance and flexibility


Dimensions and Weights

Rated VoltageNominal Cross Section AreaNominal Conductor DiameterNominal Diameter Over InsulationNominal Lead Sheath ThicknessNominal Overall DiameterWeight
mm²mmmmmmmmkg/m
127/220(245) kv50026.277.62.911129.3
63029.879.23112.831.2
80033.783.13.1117.534.5
100037.987.33.1121.937.7
120041.290.63.1125.240.4
140044.493.83.1128.643.2
160047.496.83.1131.846
160/275 (300)kv50026.281.63115.231.1
63029.881.23114.831.8
80033.785.13.1119.535.2
100037.989.33.1123.938.4
120041.292.63.1127.441.6
140044.495.83.1130.644.4
160047.498.83.1133.847.2
230/300(420) kv63029.898.23.1132.838.8
80033.798.13.1133.140.2
100037.9100.33.1135.342.6
120041.299.63.1134.644
140044.4102.83.113846.9
160047.4105.83.114149.7


Electrical specifications

Rated VoltageNominal Cross Section AreaCapacitanceInductanceCurrent Rating
mm²μF/mmmH/kmA
127/220(245)kv5000.141.425.8
6300.161.46.4
8000.171.376.9
10000.191.357.4
12000.21.337.8
14000.211.328.2
16000.221.318.6
    160/275 (300)kv5000.141.426.8
6300.161.47.7
8000.171.378.3
10000.181.359
12000.191.339.5
14000.21.3210
16000.211.3110.4
  230/300(420) kv6300.131.49.6
8000.151.3710.7
10000.161.3511.7
12000.181.3312.9
14000.191.3213.5
16000.191.3114.1

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