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Britannica Editors - September 20, Humans have used wind as a source of energy since the invention of sailing craft and windmills. Modern wind turbines generally consist of a rotor with three blades; a nacelle, which typically contains a gear box, generator, brake, yaw motor, and yaw drive; and an anemometer.
As the wind pushes the blades, power is transferred from the rotor to the gear box and generator and is eventually deposited into an electrical grid, which then distributes power to consumers. The efficiency with which a wind turbine is able to capture wind power and transfer it to a grid depends on several design elements.
For example, rotor blades can be built with a subtle twist, which allows for maximum wind power capture. Other elements, such as a large generator and large-diameter rotor, enable the capture of large amounts of energy but also have higher energy costs than turbines that use smaller rotors and generators.
Site selection in itself presents many challenges for wind farm development. Wind farms are most cost-effective in areas with consistent strong winds; however, these areas are not necessarily near large population centres. Thus, power lines and other components of electrical distribution systems must have the capacity to transmit this electricity to consumers.
Wind farms have become commonplace in countries such as the United States, Canada, and Australia and are found in many countries in Europe. They have even been built in such remote locations as Ross Island in Antarctica.
With wind turbines, the farm is capable of producing more than megawatts of energy. This is more than most coal plants average; about megawatts of energy are generated by the typical coal-fired plant.
Developed by BPFowler Ridge is expected to generate about megawatts of energy, enough to provide power for somehouseholds. So far, turbines, with a production capacity of megawatts are up and running.
According to the U. The global leader in wind power is Denmark, with nearly 20 percent of its power being derived from wind energy. Photo credits top to bottom:Wind Energy Essay; Wind Energy Essay.
Essay on Wind Energy. Words | 10 Pages. Wind Energy is a viable industry that has become a valuable energy source.
The energy generated from wind is clean and efficient.
as well as creates new jobs during the construction of wind farms, daily operations, manufacturing components, and . January Issue No. Inside this month’s issue . OUR STORY OF THE MONTH: Pinnacle of Bull-Headed Stupidity: Plopping a 5,Cow CAFO on Low-Lying Acres.
Almost all offshore wind farms currently use fixed platforms built into the seafloor. While they are increasingly common in Europe, they are just starting in the US, partly due to public opposition.
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