Technical Data
| Rotor |
|
| Type |
3-bladed, horizontal axis, upwind |
| Rotor diameter |
60 m. |
| Swept area |
2.828 m2 |
| Power regulation |
Stall |
| RPM |
19 / 12,7 RPM |
| Cut-in / cut-out wind |
3,5 / 25 m/s. |
| Nominal output at |
15 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 |
| Manufacturer |
Flender or similar |
| Nominal load |
1335 kW |
| Ratio |
1:79,7
|
| Oil-quantity |
230 l. |
| Blades |
|
| Manufacturer |
LM, Aerpac or similar. |
| Blade length |
29 m. |
| Material |
Carbon and glass fibre reinforced polyester, or glass
fibre reinforced epoxid-resin |
| Length of blade tip |
3,8 m. |
Lightning protection
|
Included |
| Generator |
|
| Nominal power |
1300/250 kW |
| Type |
Asynchronous, water-cooled |
| Synchronous speed |
1515 / 1010 rpm |
| Protection classification |
IP 54 |
| Efficiency at 75 % load |
96,50% |
| Yaw system |
|
| Type |
Active yawing, electrically |
| Yaw control |
By windvane |
| Yaw rate |
0,6o per 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) |
| Hub heights |
46, 50, 60 or 69 m. |
Corrosion protection
|
Tubular: Sandblasted and painted with 250 my
epoxy-paint. Lattice: Hot dip galvanized. |
| Weights |
|
| Nacelle, excl. rotor and hub |
49,2 t. |
| Rotor incl. hub |
18,2 / 18,9 t. |
| Gearbox |
12,5 t. |
| Generator |
6,8 t. |
| Tower, 69 m. |
104 t. |
| |
|