Cum se calculează Wind Turbine Output
Ce este Wind Turbine Output?
Wind turbine power output depends on wind speed, blade area, and efficiency. Power increases with the cube of wind speed.
Formulă
Calculate: P = 0.5 × ρ × A × v³ × C_p
- P
- 0 — 0
- A
- swept area — swept area
Ghid pas cu pas
- 1Calculate: P = 0.5 × ρ × A × v³ × C_p
- 2ρ = air density (≈1.225 kg/m³), A = swept area, v = wind speed, C_p = efficiency (~0.35-0.45)
- 3Typical 2-5 MW turbine: 5-15 GWh/year depending on wind resource
Exemple rezolvate
Intrare
100 m rotor (7850 m² area), average wind 10 m/s, C_p=0.4
Rezultat
Average power ≈ 1.9 MW
Typical utility turbine
Greșeli frecvente de evitat
- ✕Using peak power output instead of average capacity factor
- ✕Neglecting wake effects between turbines
Întrebări frecvente
Why is wind speed raised to the third power?
Power proportional to kinetic energy (½mv²) and flow rate; combined gives v³ dependence.
How much area does a wind turbine need?
Large utility turbines need 2-5 acres minimum spacing; smaller residential turbines 0.5 acres.
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