General data

• Manufacturer: Windey (Chine)
• Model: WD77-1500
• Product page
• Rated power: 1,500 kW
• Rotor diameter: 77 m
• No more available
• Wind class: IEC IIa
• Offshore model: no
• Swept area: 4,657 m²
• Specific area: 3.11 m²/kW
• Number of blades: 3
• Power control: Pitch

Weights

• Rotor + hub: 61 tons

Rotor

• Maximum rotor speed: 17,2 rd/min
• Cut-in wind speed: 3 m/s
• Rated wind speed: 11,5 m/s
• Cut-off wind speed: 25 m/s

Gear box

• Gear box: yes
• Stages: 3
• Gear ratio: 104

Generator

• Type: DFIG
• Number: 1
• Maximum speed: 1800 rounds/minute
• Voltage: 690 V

Tower

• Minimum hub height: 65 m
• Maximum hub height: 160 m