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Wind Turbine Power Generator Equation Formulas Design Calculator
Windmill - Renewable Energy - Clean Electricity - Green Home - Solar Power
Solving for coefficient of performance.
Scroll to the bottom to see typical input values for the variables.
Inputs:
Conversions:
| wind power (P) | = | 0 | = | 0 | watt | |
| air density (ρ) | = | 0 | = | 0 | kilogram/meter^3 | |
| rotor swept area (A) | = | 0 | = | 0 | meter^2 | |
| wind velocity (V) | = | 0 | = | 0 | meter/second | |
| generator efficiency (Ng) | = | 0 | = | 0 | ||
| gear box bearing efficiency (Nb) | = | 0 | = | 0 |
Solution:
| coefficient of performance (Cp) | = | HAS NOT BEEN CALCULATED |
Other Units:
Change Equation
Select an equation to solve for a different unknown
Select an equation to solve for a different unknown
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Solve for wind power. |
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Solve for air density. |
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Solve for swept area of the rotor, propeller or blades. |
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Solve for coefficient of performance. |
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Solve for wind speed. |
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Solve for generator or alternator efficiency. |
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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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