In recent years, with the global depletion of stone energy and increasing human demand for electricity, the world is vigorously developing new energy industries.
And the development of new energy in the field of marine is the countries scrambling to do, such as offshore wind turbine power generation, marine tidal energy, marine gas, oil extraction, etc.
The new energy from the sea to the land used only one channel, that is, submarine cable.
Submarine cable research and development, production, and laying have a history of nearly 170 years, in 1850 the United Kingdom and France laid the first submarine internet cable in human history.
Submarine cable transmission project is an important part of the construction of cross-sea networking projects, in the realization of the internationalization of power grids, the regional power grid interconnection process has an important significance.
At the same time, underwater submarine cables are also known as the cable manufacturing "crown jewel" because of their high standards, high threshold, and high risk.
So the submarine cable is special at the end where it is? How is the future undersea cable market?
Submarine cable to complete the transmission of electricity in the sea, so the manufacturer of the cable must consider the actual application of engineering.
The construction of cables under the ocean projects, subject to geographical, marine engineering, construction equipment, and other conditions, the construction of the project involves a wide range of technical areas, a large investment scale, and complex construction technology.
The construction period can be generally divided into two stages, pre-construction and construction period.
Pre-construction work mainly involves engineering design, underwater internet wire route selection, submarine cable manufacturing, and transportation.
The construction period mainly includes cable routing positioning, cable laying, cable protection, land equipment installation, testing and commissioning, and project acceptance.
Specifically reflected in the following aspects:
Because the under sea fiber optic cable in the transport and laying conditions are complex, the manufacturing should be as large as possible when the length of production.
Because fibre cable under the sea transported dozens of kilometers or even hundreds of kilometers, the submarine cable is thousands of kilometers, there is no condition in the sea to transport one section.
So the production length of the cable is long enough to bring stability and consistency to manufacturing.
But this is a very high demand for the production of submarine cable, and thus the requirements of the equipment are also very high.
In addition, large lengths of submarine power cables have to consider whether the cable intermediate joint technology is reliable, etc.
In manufacturing, for example, the use of lead, extrusion of lead must be continuous for ten days without downtime to do, adding lead is to facilitate the submarine cable faster sinking into the water.
Ordinary power cables are generally armored with steel tape after extrusion of the outer sheath, submarine lines also need to add an extra layer outside the outer sheath covering and mix with asphalt steel wire armor layer used to increase the mechanical strength and corrosion resistance when laid.
In transportation, enterprises must also be equipped with towers, docks, and other hardware facilities, the transportation process to avoid the occurrence of riveting and other accidents with undersea wires.
The submarine cable system is very strong, not just complete the cable manufacturing so simple.
In the early stage, we need to survey the sea conditions, and if we are the general contractor, we also need to give the overall design plan.
There is also the choice of cable type, a variety of connectors, including the choice of accessories, etc., even the manufacturing process should also take into account the actual laying of the specific circumstances.
Strong Seasonality Of Construction
Throughout the year, there is a window period for construction in different seas.
So the submarine comms wire is not a matter of considering only the cable manufacturing, it is a system engineering.
Strong Project Cycle
A complete under water cable project cycle is long, from the project approval to the enterprise to get the order, in communication with the owner of the link, you need to explain your design plan, manufacturing capabilities, various certifications, submarine cable transport construction, and other specific links, these communications sometimes take several months of time.
The development of transoceanic cables is inextricably linked to the development of new energy sources. In recent years, the development of new energy sources has shown a spurt, and many projects have been approved.
The number of offshore wind farms is increasing, and site selection is increasingly pushed to the far sea, these factors will accelerate the compound annual growth rate of offshore wind power output cable, and the broad prospects of offshore wind power broaden the market space of the submarine cable industry.
Currently, the development of the world's marine economy into the fast track of the world's economic development, in the 21st century is the ocean economy.
To the larger demand for electricity in Southeast Asian countries, for example, Southeast Asian countries are rich in wind power resources, such as Vietnam and Thailand's total potential developable wind resources capacity of 513GW and 152GW respectively.
Some experts believe that the construction of the Maritime Silk Road has brought great convenience for Chinese enterprises to go out, and with such policies and platforms, enterprises can go out better.
The development of the marine economy will certainly be inseparable from the construction of marine power transmission, and the global energy Internet initiative is gradually implemented.
Intra-continental interconnection and intercontinental interconnection need power as the basis, these are new development opportunities for ocean communication cables.
Some experts predict that the future of the world's submarine cable fifty percent of the market in China, new energy and the development of the Maritime Silk Road, the energy Internet will provide the best platform for Chinese submarine optical cable companies, Chinese submarine cable companies need such a platform and the actual battle.
Although the deepest undersea cable in some areas started late, the speed of development is fast, we should firmly believe that the future development of internet cables under the ocean will further close the friendly contact between countries and society.
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