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XLPE Insulated DC High-Voltage Submarine Cable

DC submarine power cable is a major transmission cable for carrying electric power below the surface of the water.

Submarine Optical Fibre (Fiber) Cable, also known as submarine communication cable.
It is a wire wrapped with insulating material, laid on the seabed, and used to set up telecommunications transmission between countries.
The submarine optical cable system is mainly used to connect fiber optic cable and the Internet, it is divided into two major parts of shoring equipment and underwater equipment, the submarine optical cable is the most important and vulnerable part of the underwater equipment.
The laid submarine cables are generally available in medium voltage and high voltage submarine cable in terms of voltage. The cable DC voltage is rated at 200kV.


Application

These DC submarine power cables are used for power transmission to offshore islands, oil platforms, or to cross rivers and lakes.

ZMS Cable design is based on the major 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

1. Conductor: Copper conductor, water blocked.

2. Conductor Screening: Extruded semi-conductive compound.

3. Insulation: XLPE.

4. Insulation Screening: Extruded semi-conductive compound.

5. Separator: Swelling tape.

6. Core Sheath1: Lead Sheath.

7. Core Sheath2: PE sheath.

8. Bedding: Bedding layer.

9. Armour: Galvanized steel wires filled with bitumen compound.

10. Serving: Polypropylene yarn.


Electrical Data

127/220(245)KV

Nominal Cross Section AreaCapacitanceInductanceCurrent Rating
mm²μF/mmmH/kmA
5000.141.425.8
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)KV

Nominal Cross Section AreaCapacitanceInductanceCurrent Rating
mm²μF/mmmH/kmA
5000.141.426.8
6300.161.47.7
8000.171.378.3
10000.181.359
12000.191.339.5
14000.21.3210
16000.211.3110.4

200/345(362)KV

Nominal Cross Section AreaCapacitanceInductanceCurrent Rating
mm²μF/mmmH/kmA
6300.141.48.8
8000.151.379.7
10000.171.3510.7
12000.181.3311.1
14000.191.3211.6
16000.21.3112.1

230/400(420)KV

Nominal Cross Section AreaCapacitanceInductanceCurrent Rating
mm²μF/mmmH/kmA
6300.131.49.6
8000.151.3710.7
10000.161.3511.7
12000.181.3312.9
14000.191.3213.5
16000.191.3114.1

Dimension and Weight


127/220(245)KV

Nominal Cross Section AreaNominal Conductor DiameterNominal Insulation ThicknessNominal Diameter Over InsulationNomanal Lead Sheath ThicknessNominal Overall DiameterWeight
mm²mmmmmmmmmmkg/m
50026.22477.62.911129.3
63029.82379.23112.831.2
80033.72383.13.1117.534.5
100037.92387.33.1121.937.7
120041.22390.63.1125.240.4
140044.42393.83.1128.643.2
160047.42396.83.1131.846

160/275(300)KV

Nominal Cross Section AreaNominal Conductor DiameterNominal Insulation ThicknessNominal Diameter Over Insulation Nomanal Lead Sheath ThicknessNominal Overall DiameterWeight
mm²mmmmmmmmmmkg/m
50026.22681.63115.231.1
63029.82481.23114.831.8
80033.72485.13.1119.535.2
100037.92489.33.1123.938.4
120041.22492.63.1127.441.6
140044.42495.83.1130.644.4
160047.42498.83.1133.847.2

200/345(362)KV

Nominal Cross Section WeightNominal Conductor DiameterNominal Insulation ThicknessNominal Diameter Over InsulationNomanal Lead Sheath  ThicknessNominal Overall DiameterWeight
mm²mmmmmmmmmmkg/m
63029.82889.23.1123.435.2
80033.72791.13.1125.937.5
100037.92693.33.1128.139.9
120041.22594.63.1129.442
140044.42597.83.1132.844.9
160047.425100.83.1135.847.7

230/400(420)KV

Nominal Cross Section AreaNominal Conductor DiameterNominal Insulation ThicknessNominal Diameter Over InsulationNomanal Lead Sheath ThicknessNominal Overall DiameterWeight
mm²mmmmmmmmmmkg/m
63029.83298.23.1132.838.8
80033.73098.13.1133.140.2
100037.929100.33.1135.342.6
120041.22799.63.1134.644
140044.427102.83.113846.9
160047.427105.83.114149.7


Submarine Cable

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CORPORATE SOCIAL RESPONSIBILITY

ZMS Cable have a wide product scope, includes: Power cables up to 500kV, AAC, AAAC, ACSR conductors, ABC Cable,electric wires, instrument cable, telecommunications cable, Stay wires. With advanced manufacture technology, rich human resource and effective management system, we guarantee all products are manufactured strictly in accordance with GB, IEC, BS, NFC, ASTM, DIN standards,etc. Beyond quality control, ZMS have been trying its best to offer much higher standard of services rather than expected.

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All customised cables designed by our cable engineer will be subject to testing to relevant standards and appropriate performance criteria. Bespoke cable testing will be conducted under our CNAS accreditation where appropriate. Where required by industry or application, we can submit for relevant cable certification and cable approval processes. For more information or to discuss possible custom designed cable solutions, please complete an enquiry form, contact our technical experts on the Technical Hotline +86 (0)371 6782 9333, or email:sales@zmscable.com

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