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Wind turbine - wind speed needed to achieve the rated power.

Discussion in 'Electronics Homework Help' started by Integrator741, Nov 5, 2014.

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  1. Integrator741

    Integrator741

    125
    4
    Jun 16, 2013
    Hello,

    I got a 5MW-rated wind turbine and I need to find what wind speed is needed to achieve the rated power output. At first I thought I would rearrange the "power out" formula (1/2*n*p*A*V^3) to find v, but it didn't work. What should I do?

    Thanks :)
     
  2. Arouse1973

    Arouse1973 Adam

    5,164
    1,081
    Dec 18, 2013
    You have a 5MW wind turbine, you serious? They have 126m wing span. If you do then it's quite easy to work out available power, how you manage this power depends on your turbine. So it's this:

    l=Blade Width in meters
    v= Wind velocity in meters/second
    p=Air Density in Kg/meters^3
    Cp= Power density = 0.4
    A=swept area of blade

    Pav=(1/2)p*A*V^3*Cp

    Bet your going to have a few Christmas lights this year then :)

    Adam
     
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