2.5MW Series Wind Turbine

Our 2.5MW wind turbine is manufactured using Siemens technology for certified and optimized wind power generation. The design of the windmill is based on the G2 platform and has a reliable energy output and long working life cycle.

SWT-2.5-108 S power curve
Technical specification
Operating data
Rated power[kw] 2500
Cut-in wind speed[m/s] 3.5
Cut-out wind speed[m/s] 25
The largest 3s wind[m/s] 59.5
Operating temperature(℃) -10~+35
standstill temperature(℃) -20~+45
Rotor speed range[rpm] 6.6~19.8
Rated speed range[rpm] 17
Rated wind speed[m/s] 12-13
Life cycle[year] 20
Surface color Light gray RAL7035
Rotor weight[t] 60
Hub weight[t] 25
Nacelle weight[t] 82
Rotor diameter[m] 108
Swept area[㎡] 9144
Blade Amount 3
Rotor tilt[°] 6
Rotor cone angle[°] 5
Type B53
Blade length[m] 52.6
Aerodynamic configuration NACA63XXX,FFAXXX,SWPXXX
Blade material GRE
Pitch System
Type Hydraulic pith system
Pitch speed[°/s] 7
Pitch bearing Four-point contact ball

Drive chain
connection Rotor hub-rotor shaft: flange
Gearbox type 3-Stage parallel/Helical
gearbox gear ratio 1:91
gearbox lubricating system force Splash lubricating
gearbox oil[L] ~400
gearbox oil filter Separate oil cooler
Cooler gearbox Oil-water-wind cooler
Type Squirrel cage asynchronous generator
Rated power[kw] 2500
Rated speed[rpm] 600-1800
Nominal voltage[v] 750
Grid frequency[Hz] 50/60
insulation F
protection IP54
cooling Water cooler
Type Four-quadrant
apparent output[KVA] 2500
rated voltage[v] 690
grid frequency[Hz] 50/60
Switch PWM
cooling Water cooler
Yaw system
Type Active yaw
Yaw bearing Sliding bearing
Yaw motor Variable speed geared motor
yaw rate[°/min] 35.532(0.0987rpm)
Braking system
Type Full pitch type
Main braking Hydraulic variable propeller braking
Mechanical braking High-speed spindle hydraulic disc caliper brake

Loading components
Hub Nodular cast iron
Rotor bearing Double row spherical roller bearing
Rotor Alloy steel
Front frame steeel
Back frame Structural steel parts
Nacelle cover(GFRP) steel
Type Conical tube
Wheel hub height[m] According to site or customizations
Antiseptic Anticorrosion painting
Anticorrosion level Following the ISO12944 standards, according to the actual wind field environment.
Tower Structural steel
Flange L forgings
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