PWS 900i | PWS 900iL | PWS1250i | PWS1250iL | PWS1800i | PWS1800iL | |
General | ||||||
Power Output | 900 kW | 900kW | 1250 kW | 1250kW | 1800kW | 1800kW |
Cut in Wind Speed | 3m/s. | 2.1 m/s | 3m/s. | 2.1 m/s | 3m/s. | 2.1 m/s |
Output in Wind Speed | 25m/s. | 25m/s. | 25m/s. | 25m/s. | 25m/s. | 25m/s. |
Rotor | ||||||
Diameter | 58 Mt. | 68 mts. | 68 mts | 83.64 mts | 83.64 mts | 100 mts |
Hub Height | 71mts. | 74 mts | 74 mts | 80 mts | 80 mts | 100 mts |
Tower | Tubular | Tubular | Tubular | Tubular | Tubular | Tubular |
Cone Angle | 2° | 2° | 2° | |||
Tilt Angle | 5° | 5° | 5° | |||
Power Control | Individual blade pitch | Individual blade pitch | Individual blade pitch | |||
Pitch Drive | A.C.Servo Drive | A.C.Servo Drive | A.C.Servo Drive | |||
Backup system | Battery | Battery | Battery |
Drive Train | |
Gear Box | Combined Plain and Helical 3 stage from Siemens |
Main Bearing | Schaeffler KG |
Generators | Asynchronous Generators from SIEMENS |
Operating Speed | 500 to 1600 RPM |
Converter | IGBT based Full Scale Converter to suit 50Hz/60Hz from General Electrical |
Control | |
Control System | Beckhoff, Germany |
Speed Control | A.C. Servo Driven Pitch System |
Rotor Brake | Independent triple Pitch System (Aerodynamic) |
2nd Brake System | Hydraulic Disc Brake on High Speed Shaft |
Yaw Control | Gear Motors with Brake |
Breaking System | Hydraulic Caliper Brakes |