Question by Mak:
Can anybody tell me the minimum speed required by a wind mill to generate electricity?
What is the minimum speed required by a wind mill to generate electricity?


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Answer by Devil’s Nephew
It is bit difficult to explain:

Read this:

http://www.reuk.co.uk/Wind-Turbine-Tip-Speed-Ratio.htm

Tip Speed Ratio Calculations
The tip speed ratio is given by dividing the speed of the tips of the turbine blades by the speed of the wind – for example if a 20 mph wind is blowing on a wind turbine and the tips of its blades are rotating at 80 mph, then the tip speed ration is 80/20 = 4.

This is for fun.

http://www.windpower.org/en/kids/index.htm

PS: Google vs Yahoo, Will be banned anytime now.

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