ENERCON - Model E-70 / 4,300 kW - Wind Turbines
Rated power: 2,300 kW, Rotor diameter: 71 m, Hub height: 57 m / 64 m / 74 m / 85 m / 98 m / 113 m, Wind zone (DiBt): WZ III, Wind class (IEC): IEC/NVN IA und IEC/NVN IIA, Turbine concept: Gearless, variable speed, single blade adjustment.
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Rotor
Rotor
- Type: Upwind rotor with active pitch control
- Rotational direction: Clockwise
- No. of blades: 3
- Swept area: 3,959 m²
- Blade material: GRP (epoxy resin); integrated lightning protection
- Rotational speed: variable, 6 - 21.5 rpm
- Pitch control: ENERCON single blade pitch system, one independent pitch system per rotor blade with allocated emergency supply
Drive train with generator
- Main bearing: Double-row tapered / cylindrical roller bearings
- Generator: ENERCON direct-drive annular generator
- Grid feeding: ENERCON inverter
- Brake systems: 3 independent pitch control systems with emergency power supply, rotor brake, rotor lock
- Yaw control: Active via adjustment gears, load-dependent damping
- Cut-out wind speed: 28 - 34 m/s (with ENERCON storm control)
- Remote monitoring: ENERCON SCADA
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