Nominal electric power:
Power regulation:
Rotor size:
Rotor speed:
Rotor:
Swept area:
Tilt angle:
Coning angle:
Blades make:
Tip speed:
Pitch angle:
Pitch bearings:
Air brake, normal:
Air brake, emergency:
Nominal pitch speed:
Mechanical brake:
Brake torque:
RPM max. value:
Generator:
Generator speed:
Loss in generator:
Generator cut-in:
Grid connection:
Yaw motors:
Yaw brakes:
Yaw bearing:
Tower type:
Controller:
Cut-in wind speed:
Cut-out wind speed:
Mass of blade: (3)
Mass of hub:
Mass of nacelle:
Mass total, excl. tower:
Maximum noise level:
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180/750 kW
Active Stall Regulation (ASR)
Diameter 47 m
25.5 rpm at full load
Three blades placed upwind of tower
1735 mē
4°
3.0 forward
LM 21.0 P
63 m/s at full load
ASR
4-point ball bearings
Pitch to -20°, actuated by the ASR regulation system
Pitch to -85° fail safe, activated by accumulators in hub
7.5°/sec.
A fail-safe type disk brake
1,8 times of nominal torque
1600 (50 Hz) or 1920 (60 Hz), observed on the high-speed shaft
Closed, 4-pole, asynchronous, single wou-nd, induction, IP54
1000/1500 (50 Hz) or 1200/1800 (60 Hz) rpm at sync. speed
3%
Thyristor controlled gradual cut-in
50 Hz - 690 V or 60 Hz - 6000 V
4 pcs. With electrical brakes built in
4 pcs. Hydraulic brakes of disk brake type
4-point ball bearing
Conical steel tower (35-65 m hub hight)
PLC and microprocessor based
3-4 m/s, based on 10-min. average
25 m/s, basen on 10-min. average
6600 kg
8000 kg
24000 kg
38600 kg
100 dBA
Rights to changes are reserved
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