General data

• Manufacturer: Hewind (Chine)
• Model: HW87 1.5 MW Low Speed
• Product page
• Rated power: 1,500 kW
• Rotor diameter: 87 m
• Available model
• Wind class: IEC IIIb
• Offshore model: no
• Swept area: 5,945 m²
• Specific area: 3.97 m²/kW
• Number of blades: 3
• Power control: Pitch

Weights

• Nacelle: 59 tons
• Tower: 83 - 114 tons
• Rotor + hub: 33 tons
• Total: 208 - 239 tons

Rotor

• Minimum rotor speed: 10 rd/min
• Maximum rotor speed: 19,5 rd/min
• Cut-in wind speed: 3 m/s
• Rated wind speed: 11 m/s
• Cut-off wind speed: 22 m/s

Gear box

• Gear box: yes
• Stages: 3

Generator

• Type: DFIG
• Voltage: 690 V

Tower

• Minimum hub height: 70 m
• Maximum hub height: 80 m