ENERCON E-70 2000 kW

ENERCON E-70 2000 kW

Basic informations:

Rated power: 2,000 kW

Rotor diameter: 71 m

Hub height: 58 - 113 m (various towers and bases)

Turbine concept: gearless, variable speed, variable
pitch control

Rotor
Type: Upwind rotor with active pitch regulation

Direction of rotation: Clockwise

Number of blades: 3

Swept area: 3,959 m2

Blade material: Fibreglass (epoxy resin); integrated
lightning protection

Rotor speed: Variable, 6 - 21.5 rpm

Tip speed: 22 - 80 m/s

Pitch control: ENERCON blade pitch system, one independent pitching system per rotor
blade with allocated emergency supply

Drive train with generátor
Hub: Rigid
Main bearings: Dual-row tapered/ single-row cylindrical roller bearings
Generator: Direct-drive ENERCON ring generator

Grid feeding: ENERCON inverter

Braking systems:
    - 3 independent blade pitch systems with emergency supply
    - rotor brake
    - rotor lock

Yaw control: Active via adjustment gears, load-dependent damping

Cut-in wind speed: 2.5 m/s

Rated wind speed: 13.5 m/s

Cut-out wind speed: 28 - 34 m/s

Remote monitoring: ENERCON SCADA