1

Rotor unit

2

Blade pitch system

3

Rotor blade

4

Generator

5

Tower head

6

Tower

7

Yaw drives

8

Service crane

9

Air-to-air heat exchanger

10

Nacelle

11

Wind measurement devices and obstruction lights

Technical Data

Operating data
Rated power 4.1 MW
Cut-in wind speed 3 m/s
Cut-out wind speed 25 m/s
Operating temperature -20 °C to 40 °C
Sound power
Optimized for maximum performance
Sound-reduced operating modes available
104.7 dB(A)
Rotor
Diameter 115.0 m
Swept area 10,378 m²
Rotational direction Clockwise
Rated speed 12.3 U/min
Blade type EBT 56.0
Power control Pitch
Primary braking system Single-blade adjustment, triple redundant
Generator
Type Synchronous generator with permanent magnet excitation
Construction type Direct drive
Yaw mechanism
Construction principle Geared electric motors
Braking system Hydraulic brake calipers
Converter
Type IGBT full power converter
Frequency 50 Hz / 60 Hz
Tower
Hub heights 67,5 m (Steel tube) | 72,5 m (Steel tube) | 92,5 m (Steel tube) | 122,5 m (Hybrid)
Material Steel tube
Design
All hub heights IEC IIA