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Wind power and savings calculator
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Copyright © 2019 www.renewableenergymethods.com.
All Rights Reserved

Fill yellow cells with your own data, Orange cells can be assumed using given data or looked up, Green cells are calcuated
https://www.renewableenergymethods.com
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Kinetic energy
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Air flowing through area A in one second
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Wind power
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Blade Sweep Area (A)
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Wind flow throught the area (V) (m3/s)
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We can assume this to be constant no.
matter where you set it up
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Density of air (ρ)1.23kg/m3
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Wind speed (v)6Beaufort NumberThis wind speed is used to calculate wind power output. Use to Common Wind Speed Tab to find the appropriate Beaufort Number for the type of wind and enter it here.
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11.5
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41.4km/h
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25.875mph
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Rotor diameter1.5m
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Area covered2
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kinetic power1,653W
Watts produced in a hour of opperation
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1.65kW
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Annual potential wind energy :
14,479kWh
Power multiplied by hours on a year
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Electric power output by wind turbine after losses :
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Effeciency30%premium content
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Power according to efficency
4344kW
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Other losses :
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Generator100%
premium content
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Transformer :100%
premium content
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Rectifier :100%
premium content
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Batteries :100%
premium content
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Wire losses :100%
premium content
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Total yield losses :
100%
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Average performance ratio
0.30
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Power, losses included
0.5kWinstantaneous output power
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Annual wind turbine energy :
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Capacity factor :50%
Minimum: 24%; Median: 40%; Maximum: 50%
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Real annual electricity prroduction :
2,172kWh
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Price of electricity
0.2
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Cost of electricity saved
434
£/$/ per year
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