This incredible pyramid can generate energy from the wind

Wind energy is renewable energy generated from the wind. It converts the kinetic energy of the movement of the blades into electrical energy more cheaply and without releasing polluting gases into the atmosphere. They are usually installed on land, in places with high incidence of winds.

Some companies have developed turbines to float in the sea, where the power generation capacity is much greater. It is also known as wind energy. offshore and the French company Eolink intends to innovate in the model, and is already about to test it.

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In 2021, around 57.2 GW of energy were produced from wind farms offshore🇧🇷 In China alone, 27.7 GW of energy were produced in this model. However, the way they are installed at sea is very similar to that on land. Usually a giant pole is fixed on the seabed, where the propellers are installed. In this way, the attachment of the turbines is limited to a certain depth of the ocean, so that so much material and engineering is not required.

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Meanwhile, Eolink has been working on a pyramidal base model that replaces the single post that supports the weathervane. The pyramidal base works like the feet of a ferris wheel: two triangles on each side support the propeller in the middle of them. This model contributes to the way in which the weight of the blades is distributed in the structure. This means that up to 30% less steel is used to produce them.

The company expects its model to provide electricity 20% to 25% cheaper than other technologies seen as benchmarks. Its design also favors that its propellers are larger. The blades are not at risk of hitting the tower, which makes it possible to install longer and more flexible blades. This advantage can enable up to 10% more energy production depending on wind conditions.

Left: The wind turbine model offshore single-post design places more stress on the support posts than the pyramidal model. Right: Pyramid turbine blades can be larger and more flexible as they run the risk of hitting the tower. [Imagem: Divulgação Eolink]

As for installation and maintenance, the Eolink model also intends to be much more practical. They do not need to be attached directly to the seabed. They float at relatively shallow depths and are attached to the ground via cables. When built, it is only necessary to place them in the water and tow them to the place where they will be installed. Maintenance of them is also easy, as their design allows the reverse path to be made only taking them back to the port where the work can be carried out more easily. This means that it is not necessary to use more expensive equipment, such as crane ships, to keep them working.

The Eolink model is easier to install. [Imagem: Divulgação Eolink]

According to the Recharge News the French company received an investment of 23 million dollars. The value will enable Eolink to develop a full-scale 5 MW turbine to carry out the first tests. It will have a square base of 52 meters on each side and will weigh 1100 tons. Its construction is already starting this month and it is expected that by autumn of next year it will already be installed at the SEM-REV test site in the French Atlantic Ocean. But the company’s plans do not stop there, the idea is to build a giant 20 MW turbine in the future using this same project, and it will be bigger than the largest wind turbine in the world today.

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