Wind Energy - Definition, Mechanism and Advantages

Energy the wind turbines harvest from the motionTurbines below 50 kilowatts, the single small ones,
caused by wind is what is called wind energy. In aare used water pumping, telecommunications dishes
way, wind energy is a form of solar energy as windand independent homes.
is caused by uneven heating of the atmosphere. AsOne of the advantages of wind energy is the fact
for flow pattern, wind is influenced by the earththat it is free and renewable. You can use the wind
terrain, vegetative cover and bodies of water.as much as you want to and not run out of it. The
The term Wind Energy describes effectively thefact that it creates no pollution makes wind energy a
process of generating energy using the wind. Thefavorable alternative energy. Among other power
kinetic (motion) energy in the wind is transformed byplants, wind energy plants is the only one which
wind turbines into mechanical power. This power canproduce neither air pollutants or greenhouse gases.
in turn be exploited for tasks like pumping water orOn the other hand, some people have voiced
grinding grain or be fed into a generator to generateconcerns over birds and bats killed for flying into the
electricity, powering homes, schools and businesses.turbine's rotors, as well as the noise which comes
The mechanism of wind turbines can be explained asfrom the rotor blades. People also feel that the wind
the opposite of a fan. The fan moves to generateenergy turbines impact the visual beauty of an area.
wind while the wind turbine lets itself moved by theThese problems, however, have seen solutions
wind to create kinetic energy. There are two typesthrough the appropriate choosing of plant sites and
of wind turbines, the horizontal axis type which looksthe development of technology.
like the classic windmills and the vertical axis turbine.In the past 10 years, cost of wind power has
Most used wind turbines these days are thesuccessfully been decreased. The technology
horizontal axis turbines.however, asks for more preliminary investment if
There are a variety of sizes for wind turbines, whichyou compare such to generators fueled by fossil
makes for different power ratings. A small windbased energy sources. The machinery takes the
turbine which stands up to 30 feet and spansbiggest slice of the cost pie, taking up 80% of the
between 8 to 25 feet in diameter, is enough tototal cost while the rest cover site preparation and
supply electricity needed by a fully electronic houseinstallation process. When it comes to operating and
or a small business. The largest type of wind turbinefuel expenses though, the cost of wind energy is
spans more than 360 feet and stands up to 20highly favorable compared to any other technology in
building stories. This type of wind turbine is able toelectricity generating - since the turbines need no fuel
supply power for 1,400 homes. The sizes ofand operating expenses are hardly significant.
utility-scale turbines range from 50 to 750 kilowatts.