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#Post#: 3154--------------------------------------------------
Power Curve for a Wind Turbine
By: lynx wind Date: June 5, 2014, 11:23 am
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Here is an example of the calculations for a wind turbine. The
following example is just an approximation but probably close to
reality for a 40" diameter x 49" tall VAWT
Power in the wind formula is P=1/2*1.2kg/m^3 x sqmeter of
turbine x windspeed in meter/second^3
A couple things to think about. What truly are the average
winds in your area? How much money should be spent trying to
get high efficiency at the higher (rarer) wind speeds? Wind is
free so designing for the best efficiency at the lowest
cost/watt is my goal.
#Post#: 3155--------------------------------------------------
Re: Power Curve for a Wind Turbine
By: lynx wind Date: June 5, 2014, 11:39 am
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So if we add the boost circuit to get those meager watts at low
windspeeds and design for efficiency in higher winds this is
what the power curve looks like. We ignore trying to get 12
volts from the alt below say 12-14 mph winds and use heavier
wire and lower resistance in the stator.
#Post#: 3160--------------------------------------------------
Re: Power Curve for a Wind Turbine
By: happygolucky Date: June 5, 2014, 9:52 pm
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thats excellent should be fun...
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