Interlude: The Basics Of Wind Power

Posted on : November 6, 2009 | By : Admin | In : Wind Power

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So here’s some basic concepts about wind power.  I had to learn all of these things on my own, so hopefully this little tutorial will help you bypass that learning curve.

Wind turbines are basically a fancy windmill that generate power sort of like an automobile alternator.  The wind blows against the turbine blades, spins the fan which in turn generates electricity.

Wind power generators come in all sizes.  The kind I was interested in was of course a smaller home wind mill.  I’m sure you’ve seen the pictures on the news with the big time wind farms, and these are similar, just on a smaller scale.

Of course this only works if the wind is blowing!  Every turbine has the concept of a cut-in speed which is basically the minimum speed the wind has to blow in order for any power to be generated.

Since the wind isn’t always blowing, we need to augment our wind power system with a battery based storage system.  This isn’t required if you’re on-grid but since my place is off-grid I have to store power for the times the wind isn’t blowing.

The last thing you need to keep in mind is the average wind speed at your place.  Most experts say you need to have about 10mph average speeds at minimum for a wind power generator to be efficient.  But if you combine different alternative energy systems together then you can get by with less.

Hopefully this little explanation of wind power helps you with some of the basics!

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