Technical Data
| Rotor |
|
| Type |
3-bladed, horizontal axis, upwind |
| Rotor diameter |
54 m. |
| Swept area |
2.290 m2 |
| Power regulation |
Stall |
| RPM |
22 / 14 RPM |
| Cut-in / cut-out wind |
3-4 / 25 m/s |
| Nominal output at |
14 m/s |
| Survival wind speed |
70 m/s |
| Calculated life time of turbine |
20 years |
| Gear |
|
Type
|
Combined, 3 stage gearbox. 1-stage planetary, 2-stage
helical |
| Material |
Ductile cast iron |
| Manufacturer |
Flender or similar |
| Nominal load |
1100 kW |
| Ratio |
1:70 |
| Oil-quantity |
200 l. |
| Blades |
|
| Manufacturer |
LM, or similar |
| Blade length |
26,0 m. |
| Material |
Fibreglass reinforced polyester |
| Length of blade tip |
3.700 mm. |
| Lightning protection |
Included |
| Generator |
|
| Nominal power |
1000 / 200 kW |
| Type |
Asynchronous, water-cooled |
| Synchronous speed |
1500 / 1000 RPM |
| Protection classification |
IP 54 |
Efficiency at 75 % load
|
97,1 % |
| Yaw system |
|
| Type |
Active yawing, electrically |
| Yaw control |
By windvane |
| Yaw rate |
0,6o pr. second |
| Controller |
|
| Type |
Microprocessor |
| Grid connection |
Via soft-power controller |
| Remote communication |
Included |
| UPS |
Included |
| Braking system |
|
| Aerodynamic, type |
Pivotable blade tips |
| Aerodynamic, activation |
By controller or hydraulic |
| Mechanical, type |
Fail safe, hydraulical |
| Mechanical, location |
On high speed shaft |
| Number of brake calibers |
2 |
| Time to stop rotor from max. RPM |
App. 6 sec. |
| Towers |
|
Type
|
Tubular (cone-shaped) or lattice |
Tower heights
|
50, 60 or 70 m. tubular, 70m. lattice |
Corrosion protection
|
Tubular: Sandblasted and painted with 250 my
epoxy-paint. Lattice: Hot dip galvanized. |
| Weights |
|
| Nacelle, excl. rotor and hub |
46 t. |
| Rotor incl. hub |
19 t. |
| Gearbox |
10,5 t. |
| Generator |
4,6 t. |
| Tower, 50 / 60 / 70 m. tubular |
65 t. / 90 t. / 107 t. |
| Tower, 70 m. lattice |
76 t. |
|
