how wind energy works: an introduction
TRANSCRIPT
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EnergyWind
A Review by Beau Peelle
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Humans have beenharnessing windenergy for millennia,from Egyptiansailboats to Persianwindmills.
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By this measure, usingwind energy togenerate electricityisn't a far out idea!Here's how it works.
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Rotor and Blades
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It all starts here
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Blades are attached to a rotor, for thepurpose of capturing the wind's
mechanical energy. When you see theblades spin, you're seeing that energy
transfer in action.
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Blades are attached to a rotor, for thepurpose of capturing the wind's
mechanical energy. When you see theblades spin, you're seeing that energy
transfer in action.
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The Shaft
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Putting it together
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Just as the rotor turns, so does the shaftthat is attached to it. The shaft is
connected on the other end to thegenerator. As it turns, a process begins
that allows the wind's energy to beconverted to electricity.
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The Generator
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The powerhouse of the turbine
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The generator is madeup of two parts: aconductor and itssurrounding magnets.
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The generator's magnets are connectedto the shaft. As the shaft turns, the
magnets rotate about the conductor,which creates electric current.
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Put simply, voltage is theenergy that allows electricityto move between two points.
Once the conductorgenerates voltage, electricityis ready to be distributed to
power lines.