Offshore wind energy refers to harnessing energy from wind turbines set up in the high seas. Technology has been growing, and so have the power needs been increasing in different places. While people have been using electricity for thousands of years now, the need for renewable energy sources continues expanding each day.
Offshore wind energy provides just that. Many countries have been harnessing offshore wind energy for decades, and it has proven to be a reliable source of energy.
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How does offshore wind energy work?
Wind turbines for generating energy work like airplane blades. When strong wind flows across the blade, the air pressure on one side of the blade reduces, creating a lift and drag. Since the lift’s strength is more vigorous than the drag, it causes the blades to spin.
Usually, it connects to a generator or a gearbox that increases the rotation. The substantial aerodynamic rotation of the blades creates energy that converts to electricity at the generator.
Engineers build wind turbines in shallow waters in the sea about 60meters deep and away from natural marine resources such as marine life. They also have to choose locations where there is no significant maritime traffic or away from the coast.
Wind turbines are constructed in the sea because the wind flow there is unbarred by any buildings. In generating offshore wind energy, the more wind there is or when the turbines rotate at high speeds, the more power they generate.
How does the installation of offshore wind farms work?
First, the engineers have to carry out some tests to determine where the wind flow is most potent. They measure wind speed, pressure, temperature, and humidity. It can take at least one year in repeated tests to come up with accurate and reliable data.
Constructing wind turbines offshore is better than onshore since the winds offshore are consistent and higher than onshore. However, that poses new challenges to the engineers because they must build wind farms strong enough to withstand the sea waters and other sea conditions.
As you now know, the wind turbines are installed at the sea where there are strong winds. What happens is that the installation of wind turbines requires heavy machinery such as a pile driver, excavators, cranes, etc. Everything is assembled, and the towers are erected after the foundation is laid.
When the construction process is complete, the engineers test the wind turbines to see if they are working correctly in generating electricity, and after testing, everything is ready.
Other options for installing wind turbines
One can also decide to harness their wind energy for home power to adopt reliable and renewable energy. Building-integrated wind turbines are possible in urban areas where it can make a reliable source of energy.
But one has to choose the right spot where the wind is strong and uninterrupted, such as a building’s sidewall or the gable. In most cases, small-scale wind power generation is constructed for remote off-grid locations where there are no conventional electricity supply methods, or it is unusually expensive.
Harvesting offshore wind energy takes advantage of the sea’s wind to provide clean and renewable sources of energy.
Wind farms play a crucial role in supplementing electricity generation to help meet the growing demands of populations worldwide.