Wind Catcher is a giant wall of wind turbines designed in Oslo, Norway that uses a turret and mooring system. The advantage is increased production, little damage to the seabed, reduced installation space. A Wind Cacthing unit makes it possible to generate enough electricity for 80,000 European households. 5 units produce as much as 25 conventional turbines.
The usual wind turbines stop working when the wind is higher than 11-12 meters per second by tilting the blades. This is not the case with this system which is capable of producing 2.5 times more energy per swept area than large wind turbines, or 400 gigawatt per hour. While the largest wind turbine built to date generates 80 gigawatt per hour. With a swept area twice as high, we go up to a production multiplied by 5.
The device has 100 small wind turbines, the height is 305 meters (1000 feet). A prototype is to be tested in 2022. The problem with the standard wind turbine is that each of the turbines has to be sunk into the seabed; they cannot be installed in water deeper than 61 meters (200 feet) and therefore more than 32 km (20 miles) from the coast. Here we use a flotation system.
We do not know the cost of installation for the moment.
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