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Wind Turbine Power Generator Equation Formulas Design Calculator

Windmill - Renewable Energy - Clean Electricity - Green Home - Solar Power



Solving for wind power.

wind power equation

Scroll to the bottom to see typical input values for the variables.


Inputs:

air density (ρ)
rotor swept area (A)
coefficient of performance (Cp)
wind velocity (V)
generator efficiency (Ng)
gear box bearing efficiency (Nb)



Conversions:

air density (ρ)
=0
=0
kilogram/meter^3
rotor swept area (A)
=0
=0
meter^2
coefficient of performance (Cp)
=0
=0
wind velocity (V)
=0
=0
meter/second
generator efficiency (Ng)
=0
=0
gear box bearing efficiency (Nb)
=0
=0


Solution:

wind power (P)
=NOT CALCULATED 


Other Units:



Change Equation
Select an equation to solve for a different unknown


wind power equation Solve for wind power.
wind power equation arranged to solve for air density Solve for air density.
wind power equation arranged to solve for rotor swept area Solve for swept area of the rotor, propeller or blades.
wind power equation arranged to solve for coefficient of performance Solve for coefficient of performance.
wind power equation arranged to solve for wind speed Solve for wind speed.
wind power equation arranged to solve for generator efficiency Solve for generator or alternator efficiency.
wind power equation arranged to solve for gear box or bearing efficiency Solve for gear box bearing efficiency.


Symbol Description Typical values
ρ air density 1.2 kg/m3 (sea level)
Cp performance coefficient 0.35 is typical
0.56 is the theoretical maximum known as the Betz limit.
Ng generator efficiency 50 percent to 80 percent.
Nb gearbox 95 percent

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by Jimmy Raymond

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