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Siemens SWT-2.3-108

Design
Onshore/Offshore Onshore
Wind class IEC IIB
Rated power 2,300 kW
Cut-in wind speed 3-4 m/s
Nominal wind speed 12-13 m/s
Cut-out wind speed 25.00 m/s
Maximum 3s gust 59.5 m/s (IEC version)
Gearbox type 3-stage planetary/helical
Hub Nodular cast iron
Main bearing Spherical roller bearing
Main shaft Alloy steel
Nacelle bed plate Steel
Rotor
Type 3-bladed, horizontal axis
Position Upwind
Rotational speed 6 - 16 rpm
Number of blades 3
Rotor diameter 108.00 m
Swept area 9,161 m2
Airfoils NACA63.xxx, FFAxxx, SWPxxx
Blade length 53.00 m
Blade type Self-supporting
Blade material GRE
Blade surface gloss Semi-gloss, < 30 / ISO2813
Blade surface color Light grey, RAL 7035
Rotor tilt 6 degrees
Root chord 3.40 m
Air brake Full-span pitching
Aerodynamic brake activation Active, hydraulic
Tower
Type Tubular steel tower
Hub height 78.50 / 115.0 m
Corrosion protection Painted
Surface gloss Semi-gloss 25-40 ISO 2813
Color Light grey, RAL 7035
Gear system
Coupling hub - shaft Flange
Coupling shaft - gearbox Shrink disc
Gearbox ratio 1:91
Gearbox lubrication Splash / forced lubrication
Gearbox oil filtering Inline and offline
Oil volume Approximately 400 l
Gearbox cooling Separate oil cooler
Gearbox designation PEAB 4456 or EH851
Coupling gear - generator Double flexible coupling
Electrical
Generator type Asynchronous
Generator - Voltage 690.00 VAC
Nominal frequency 50 Hz/60 Hz
Control & Safety
Mechanical brake system Hydraulic disc brake
Mechanical brake - Position High speed shaft
Yaw system Active
Yaw bearing Externally geared slew ring
Yaw drive Eight braked electric gear motors with relay switch control
Yaw brake Passive friction brake and fail-safe motor brake on all yaw motors
Control Pitch regulation with variable speed
Controller type Microprocessor
SCADA system Web WPS
Controller designation WTC 3.0
Operation
Dimensions & Weight
Power

Power coefficient

References

[1]

Siemens AG. Technical specifications - Wind Turbine SWT-2.3-108. URL: https://www.siemens.com/content/dam/internet/siemens-com/global/market-specific-.... [Date Accessed: 21/01/2018].