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min wind needed?

Discussion in 'Home Power and Microgeneration' started by Darren McCarthy, Mar 6, 2006.

  1. what is the absolute minimum wind speed needed to produce usable power with
    a home made unit?

    I am in a 7-8 mph zone that enough? and what suggestion site to read up
    on?
     
  2. Steve Spence

    Steve Spence Guest

    Not nearly enough. need 15mph up to turn a typical wind generator with
    any appreciable output of power. Wind gens are usually rated at near 30mph.
     
  3. Charles

    Charles Guest

    I suggest a year-long site survey, if possible. Check out one of Paul Gipe's
    excellent books from your local library. (Wind Energy Basics or Wind Power for
    Home and Business, for example.) There he points out that the important factor
    is not the average wind speed but the amount of wind power available. If you
    graph the wind speed periodically over time, it's the area under the curve. You
    might have a lot less power available that you think. The only way to know for
    sure prior to buying and installing a generator is to collect actual data. Put
    an anemometer on a pole and wire it to a data-logging device.
     
  4. Steve Spence

    Steve Spence Guest

    A "AIR" turbine makes a nice "inexpensive" anemometer.

    try this one:

    http://www.northerntool.com/webapp/...?storeId=6970&productId=200320201&R=200320201

    http://tinyurl.com/ox9u9
     
  5. Guest

  6. Heres a sight that covers minimum wind required www.greenhydro.ca or .com

    And its a Canadian distributor.
     
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