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Medium Voltage Submarine Cable

The XLPE Insulated & Sheathed 3 core submersible cables that we deal in are ideal for usage in submersible pumps in deep wells for irrigation (Direct Burial), drinking water supply, industries, mines, fountains.

Submarine cables are generally available in two voltage classes, high voltage, and medium voltage.

Since higher voltages require thicker conductors, the cross section of undersea cable is larger.


Submarine medium voltage cables are similar to submarine high voltage cables and generally have the following product categories.

  • XLPE insulated AC medium voltage submarine cables with fiber optic cables  

  • XLPE insulated AC medium voltage submarine cable  

  • EPR insulated AC medium voltage submarine cable

Application:

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

Cable design is based on the major national or international standards e.g. VDE, IEC, and ICEA, or according to customers' design and standards.

Offshore Cable Standards

IEC 60228; IEC 60502;IEC 60840; IEC 62067

Construction:

1. Conductor: Copper conductor, circular stranded compacted, water blocked.

2. Conductor Screening: Extruded semi-conductive compound.

3. Insulation: XLPE.

4. Insulation Screening: Extruded semi-conductive compound.

5. Waterproof Layer: Semi-conductive waterproof tape

6. Screen: Copper wires and copper helix, swelling powder.

7. Laminated Core Sheath: Al. laminated tape bonded to overlaying 

8. PE sheath

9. Fillers: Polypropylene filler.

10. Fibre-Optic Element: Fibre optic cable.

11. Separator: Binder tapes.

12. Bedding Layer: Polypropylene strings.

13. Armour: Galvanized steel wires.

14. Serving: Hessian Tapes, bituminous compound, polypropylene strings.





Offshore Cable Specifications:

6/10(12)KV

Nominal Cross Section AreaCapacitanceInductanceCurrent Rating
mm²μF/mmmH/kmA
350.230.43167
500.260.41199
700.290.38241
950.320.37288
1200.350.35327
1500.380.34363
1850.420.33405
2400.470.32464

12/20(24)KV

Nominal Cross Section AreaCapacitanceInductanceCurrent Rating
mm²μF/mmmH/kmA
350.170.47171
500.180.44199
700.20.41243
950.220.4292
1200.240.38328
1500.260.37364
1850.280.35408
2400.310.34467

18/30(36) KV

Nominal Cross Section AreaCapacitanceInductanceCurrent Rating
mm²μF/mmmH/kmA
500.140.48202
700.150.45245
950.170.42291
1200.180.41330
1500.190.39366
1850.210.38411
2400.230.36470

Dimension and Weight


6/10(12) KV

Nominal Cross Section AreaNominal Conductor DiameterNominal Insulation ThicknessNominal Screen Cross Section AreaNominal Core Sheath ThicknessNominal Core DiameterNominal Bedding ThicknessNominal Steel Wire DiameterServing ThicknessOverall DiameterWeight
mm²mmmmmm²mmmmmmmmmmmmkg/m
3573.4162.52423.153.5707.5
508.23.4162.52523.153.5738.2
709.93.4162.527243.5779.9
9511.53.4162.528243.58011.1
120133.4162.530243.58412.2
15014.53.4252.531243.58713.6
18516.13.4252.5332549316.8
24018.63.4252.5352549919.1

12/20(24) KV

Nominal Cross Section AreaNominal Conductor DiameterNominal Insulation ThicknessNominal Screen Cross Section AreaNominal Core Sheath ThicknessNominal Core DiameterNominal Bedding ThicknessNominal Steel Wire DiameterServing ThicknessOverall DiameterWeight
mm²mmmmmm²mmmmmmmmmmmmkg/m
3575.5162.52823.153.5788.8
508.25.5162.53023.153.5839.3
709.95.5162.531243.58711.4
9511.55.5162.533243.58912.7
120135.5162.5342449414.1
15014.55.5252.5362449715.3
18516.15.5252.53725410218.6
24018.65.5252.54025410821.1

18/30(36) KV

Nominal Cross Section AreaNominal Conductor DiameterNominal Insulation ThicknessNominal Screen Cross Section AreaNominal Core Sheath ThicknessNominal Core DiameterNominal Bedding ThicknessNominal Steel Wire DiameterServing ThicknessOverall DiameterWeight
mm²mmmmmm²mmmmmmmmmmmmkg/m
508.28162.53523.153.59311.1
709.98162.5362449912.8
9511.58162.53824410214.9
120138162.53924410516.2
15014.58252.54124410817.6
18516.18252.54225411321
24018.68252.54525411923.4


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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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