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 |
| IEC Level |
IEC II B |
| 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 |
| Rotor diameter［m］ |
108 |
| Swept area［㎡］ |
9144 |
| Blade Amount |
3 |
| Rotor tilt［°］ |
6 |
| Rotor cone angle［°］ |
5 |
| Blade |
| 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 |
| Generator |
| 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 |
| Converter |
| 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 |
| Tower |
| 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 |
