2.5MW Series Wind Turbine
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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 |
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