General data

• Manufacturer: Wind Technik Nord (Allemagne)
• Model: WTN250
• Product page
• Rated power: 250 kW
• Rotor diameter: 30 m
• Available model
• Offshore model: no
• Swept area: 707 m²
• Specific area: 2.83 m²/kW
• Number of blades: 3
• Power control: Stall

Weights

• Nacelle: 10,5 tons
• Tower: 24 tons
• Rotor + hub: 3,9 tons
• Total: 38,4 tons

Rotor

• Minimum rotor speed: 26 rd/min
• Maximum rotor speed: 40 rd/min
• Cut-in wind speed: 4 m/s
• Rated wind speed: 18 m/s
• Cut-off wind speed: 25 m/s
• Manufacturer: LM Glasfiber

Gear box

• Gear box: yes
• Stages: 3
• Gear ratio: 37,77

Generator

• Type: ASYNC
• Number: 1
• Maximum speed: 1212 rounds/minute
• Voltage: 415 V

Tower

• Minimum hub height: 30 m
• Maximum hub height: 50 m