Topology |
|
Rated capacity: |
250 kW |
Rotor diameter: |
24m |
Hub Height: |
30m |
Turbine topology: |
Direct drive, variable speed, downwind coning rotor with fixed
blade pitch, servo-driven yaw |
Direction of rotation: |
Clockwise |
Number of blades: |
3 |
Swept area: |
453 m2 |
Blade material: |
Glass reinforced epoxy |
Rotor speed: |
Variable, 18–46 rpm |
Tip speed: |
28–72 m /s |
Pitch control: |
Fixed pitch |
Coning angle control: |
Electric servo, fail to safe mode |
Generator
and drive |
|
Hub: |
Rigid |
Main bearing: |
Tapered roller bearings |
Generator: |
FutureWind direct drive permanent magnet ring generator |
Grid supply: |
Inverter FutureWind on-line inverter, 3 phase, 415v 50 Hz |
Protection: |
3 phase 415v switchgear as standard.Optional G.59 protection for
grid-interconnection |
Switchgear |
Optional 11 kV or 33 kV switchgear |
Grid transformer: |
Optional 11 kV or 33 kV transformer |
Braking system |
|
Rotor: |
Rotor brake, electric load brake, rotor lock for service and maintenance |
Yaw: |
Yaw brake, yaw lock for service and maintenance |
Coning system: |
Coning system brake, cone lock for service and maintenance |
Yaw
control |
|
Drive: |
Electric servo drive with gearbox, natural wind-following |
Cut-in wind speed: |
2 m/s |
Rated wind speed: 9 |
m/s |
Cut-out wind speed: |
35 m/s |
Turbine control system: |
FutureWind turbine controller |
Remote management system: |
FutureWind SCADA |
Maintenance access: |
Drop on the deck® tower lowering system for ground level maintenance |
| |
All specifications subject to change without notice E&OE |
