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With the gradual development of terrestrial high-quality wind energy resources, offshore wind power as a development trend is foreseeable in the future. However, higher technical difficulties and higher development costs are still the main factors restricting the development of offshore wind power.
In addition to the subsea infrastructure construction, offshore wind farm construction costs include projects such as medium and high voltage submarine cables, offshore substations and transmission channels, which are also important factors that lead to a significant increase in investment costs.
Submarine Cable Laying and the maturity of the scheme have a huge impact on an offshore wind farm project, both in terms of economics of investment and reliability and stability of the wind farm.
So why do submarine cables?
After the offshore wind farm generates electricity, it sends power to the land and boosts it to the grid. The submarine cable can effectively transmit the power generated by the offshore wind turbine. As an energy transmission channel for the offshore wind farm, its safe and reliable operation is vital to the safe operation of the offshore wind farm. Because the submarine cable is laid on the sea floor with extremely harsh environment, in addition to the natural conditions such as tides, waves, scours and earthquakes during operation, it is also affected by the friction of seabed materials, harmful gas erosion, and human marine activities.
Therefore, submarine cables not only have high requirements for special properties such as waterproof, corrosion resistance, and other uncontrollable external force collisions, but also have high electrical insulation performance and safety and reliability. Otherwise, if a fault occurs, it will generate electricity for offshore wind turbines.