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The submarine optical-electrical composite cable is a type of composite submarine cable that integrates optical fiber units into the submarine power cable.
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Core Advantage
- High functional integration: It can simultaneously achieve power transmission and information transmission.
- Cost reduction: It reduces the number of cables, lowers manufacturing costs, offshore construction costs, and landing costs on land, directly reducing the overall project cost and investment. It also indirectly saves the workload for marine surveys and later route maintenance.
- Excellent communication performance: Optical fiber signal transmission has advantages such as high bandwidth, low loss, and strong anti-interference ability, making it suitable for long-distance underwater communication and meeting the demand for large amounts of data transmission.
- Strong adaptability to underwater environment: It has excellent waterproof, corrosion-resistant, anti-mechanical pulling and external collision performance, and can adapt to different underwater environments such as intertidal zone, subtidal zone, and deep water area, meeting the special needs of industries such as offshore wind power.
HYJQF41-F 26/35 3x500+ 1x48B1
No. | Construction | Nominal thickness (mm) | Approx.OD (mm) |
1 | Water-blocked copper conductor | – | 26.6 |
2 | Conductor screen | ||
Semi-conductive water-proof tape | 0.2 | 27.0 | |
Semi-conductive nylon tape | 0.2 | 27.6 | |
Extrude conductor screen | 0.8 | 29.2 | |
3 | XLPE insulation | 10.5 | 50.2 |
4 | Insulation screen | 1.0 | 52.2 |
5 | Semi-conductive water-proof tape | 0.6 | 54.4 |
6 | Lead alloy sheath | 2.3 | 59.0 |
7 | Semi-conductive PE sheath | 2.4 | 63.8 |
8 | Fillers | / | 137.4 |
9 | Bedding tape | 0.1 | 137.7 |
10 | PP inner serving | 2.5 | 140.2 |
11 | Galvanized steel wire (Bitumen coated) | 5.0 | 150.2 |
12 | Out serving | 4.0 | 154.2 |
13 | Optical unit | / | 15.5 |
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Main application
- Offshore wind power sector: It is a common cable used for power transmission and remote control in offshore wind farms. It can transfer the electricity from the wind farm to the onshore power station for voltage boosting, and is also used for connecting wind turbines to achieve power transmission and control signal transmission.
- Offshore oil and gas industry: It is used for power supply and information transmission between offshore oil platforms, gas platforms and the land, ensuring the normal operation of the platforms and the monitoring of production data, etc.
- Submarine communication network construction: It can serve as a submarine communication trunk line, connecting the mainland and islands, and islands with each other, to achieve large-scale and long-distance transmission of voice, data, images, etc.
- Submarine scientific research and observation: It provides power for underwater observation stations and transmits observation data, supporting scientific research in marine geology, marine ecology and other fields.
- Ocean environment monitoring: It can connect ocean environment monitoring equipment, such as water quality monitors and current monitors, to transmit monitoring data to the onshore control center in real time, and also supply power to the equipment.