General data

• Manufacturer: ATB Riva Calzoni SpA (Italie)
• Model: ATB 500.54
• Product page
• Rated power: 500 kW
• Rotor diameter: 54 m
• Available model
• Wind class: IEC IIIA
• Offshore model: no
• Swept area: 2,291 m²
• Specific area: 4.59 m²/kW
• Number of blades: 3
• Power control: Pitch

Weights

• Tower: 43-77 tons
• Rotor + hub: 16 tons

Rotor

• Minimum rotor speed: 7 rd/min
• Maximum rotor speed: 29 rd/min
• Cut-in wind speed: 3,5 m/s
• Rated wind speed: 11 m/s
• Cut-off wind speed: 25 m/s

Gear box

• Gear box: yes
• Stages: 3
• Gear ratio: 56,36

Generator

• Type: ASYNC PM
• Number: 1
• Maximum speed: 1645 rounds/minute
• Voltage: 690 V

Tower

• Minimum hub height: 50 m
• Maximum hub height: 73 m