Technical Specification SWT-3.6-107 Wind Turbines
Rotor
Type
| 3-bladed, horizontal axis
|
Position
| Upwind
|
Diameter
| 107 m
|
Swept area
| 9,000 m²
|
Rotor speed
| 5-13 rpm
|
Power regulation
| Pitch regulation with variable speed
|
Rotor tilt
| 6 degrees
|
Blades
Type
| B52
|
Blade length
| 52 m
|
Tip chord
| 1.0 m
|
Root chord
| 4.20 m
|
Aerodynamic profile
| NACA 63.xxx, FFAxxx
|
Material
| GRE
|
Surface gloss
| Semi-matt, <30 / ISO2813
|
Surface color
| Light gray, RAL 7035
|
Blade manufacturer
| Siemens Wind Power A/S
|
Aerodynamic Brake
Type
| Full span pitching
|
Activation
| Activate, fail-safe
|
Load Supporting Parts
Hub
| Nodular cast iron
|
Main bearings
| Spherical roller bearing
|
Transmission shaft
| Alloy steel
|
Nacelle bedplate
| Steel
|
Transmission System
Coupling hub - shaft
| Flange
|
Coupling shaft - gearbox
| Shrink disc
|
Gearbox type
| 3-stage planetary-helical
|
Gearbox ratio
| 1:119
|
Gearbox lubrication
| Forced lubrication
|
Oil volume
| Approx. 750 l
|
Gearbox cooling
| Separate oil cooler
|
Gearbox designation
| PZAB 3540
|
Gearbox manufacturer
| Winergy AG
|
Coupling gear - generator
| Double flexible coupling
|
Mechanical Brake
Type
| Fail-safe disc brake
|
Position
| High-speed shaft
|
Number of calipers
| 2
|
Generator
Type
| Asynchronous
|
Nominal power
| 3,600 kW
|
Synchronous speed
| 1,500 rpm
|
Voltage
| 690 V
|
Frequency
| Variable
|
Protection
| IP54
|
Cooling
| Integrated heat exchanger
|
Insulation class
| F
|
Generator designation
| AMB 506L4A
|
Canopy
Type
| Totally enclosed
|
Material
| Steel / Aluminum
|
Yaw System
Type
| Active
|
Yaw bearing
| Internally geared slew ring
|
Yaw drive
| Six electric gear motors
|
Yaw brake
| Active friction brake and six brake motors
|
Controller
Type
| Microprocessor
|
SCADA system
| WebWPS
|
Controller designation
| KK WTC 3
|
Tower
Type
| Tapered tubular steel tower
|
Hub heights
| 80 m or site-specific
|
Corrosion protection
| Painted
|
Surface gloss
| Semi-matt 30-40 ISO 2813
|
Surface color
| Light gray, RAL 7035
|
Operational Data
Cut-in wind speed
| 3-5 m/s
|
Nominal power at approx.
| 12-14 m/s
|
Cut-out wind speed
| 25 m/s
|
Maximum 2 s gust
| 55 m/s (standard version)
60-80 m/s (special version)
|
Masses (approximate)
Rotor
| 95 t
|
Nacelle
| 125 t
|
Tower
| Site-specific
|