WIND forum: National Geographic learning tool

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Views: 4, Replies: 0 » Jump to the end
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 ...
"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

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