WIND forum: National Geographic learning tool

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ImageAguane
May 1, 2011 6:51 PM CST
Name: Susie
Phoenix AZ
This is a great way to explain how electricity is generated by the wind turbines.

Briefly, wind passes over/through the turbine blades causing the blades to spin in a circle. The blades are mounted on a shaft that in turn (pun intended) is attached to a large gear. The large gear threads into a smaller gear that is mounted on a much smaller shaft. When the blades turn it causes the shafts and gears to turn creating energy. An attached generator collects the electrical energy and dispenses it into a large electrical grid that manages the electricity of a municipality. Try this interactive program where you can read about this and then use a program that allows you to control the diameter of the blades, wind speed, altitude, etc ...

http://environment.nationalgeographic.com/environment/global...
"There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle." --Albert Einstein
~ All Things Plants, SOUTHWEST GARDENING ~Cubits.org ENERGY & POWER

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