General data

• Manufacturer: EWT (Pays-Bas)
• Model: Directwind 900/52
• Product page
• Rated power: 900 kW
• Rotor diameter: 51.5 m
• Available model
• Wind class: IEC IIa
• Offshore model: no
• Swept area: 2,084 m²
• Specific area: 2.32 m²/kW
• Number of blades: 3
• Power control: Pitch

Rotor

• Minimum rotor speed: 12 rd/min
• Maximum rotor speed: 28 rd/min
• Cut-in wind speed: 2 m/s
• Rated wind speed: 17 m/s
• Cut-off wind speed: 25 m/s

Gear box

• Gear box: no
• Stages: -
• Gear ratio: -
• Manufacturer: -

Generator

• Type: SYNC
• Number: 1
• Maximum speed: 28 rounds/minute

Tower

• Minimum hub height: 40 m
• Maximum hub height: 75 m