General data

• Manufacturer: NedWind (Pays-Bas)
• Model: 31/250
• Rated power: 250 kW
• Rotor diameter: 31 m
• No more available
• Wind class: IEC II
• Offshore model: no
• Swept area: 755 m²
• Specific area: 3.02 m²/kW
• Number of blades: 3
• Power control: Stall

Weights

• Nacelle: 10 tons
• Tower: 18 - 60 tons
• Rotor + hub: 4,8 tons
• Total: 32,8 - 74,8 tons

Rotor

• Cut-in wind speed: 4 m/s
• Rated wind speed: 14 m/s
• Cut-off wind speed: 25 m/s

Gear box

• Gear box: yes
• Stages: 3
• Gear ratio: 44,9

Generator

• Number: 1
• Maximum speed: 1521 rounds/minute

Tower

• Minimum hub height: 30 m
• Maximum hub height: 45,5 m