| Model |
C89 |
C93 |
C96 |
C100 |
| Wind Class |
Ia* |
IIa
| IIb |
IIIb |
| Rotor Diameter |
89m |
93m |
96m |
100m |
| Swept Area |
6221m2 |
6793m2 |
7238m2 |
7854m2 |
| Blades |
43.2m |
45.2m |
46.7m |
48.7m |
| *Class Ia - All parameters same as IEC Class Ia except 50-year return gust value is 64.5 m/s instead of 70 m/s. |
| Power Output |
2500 kW |
| Operation |
Variable Speed: 9.6 - 15.5 rpm |
|
|
| Cut-in Wind Velocity |
4 m/s - 10 min. avg. |
| Cut-out Wind Velocity |
25 m/s - 10 min. avg. |
|
|
| Pitch System |
3X DC Electric-Mechanical Gearmotor,
Servo Drives & Batteries |
| Generator |
|
| Type |
Synchronous Permanent Magnet |
| Rated Power Each |
660 kW at 1133 rpm |
| Number of Units |
4 |
| Voltage |
1320 VDC at Rated Power |
|
|
| Controller |
|
| Type |
Embedded Motorola Power PC |
| Voltage, 3-Phase |
3 Phase 480 VAC |
|
|
| Power Converter |
|
| Type |
4X, Voltage Sourced, IGBT Based
6 Pulse, Inverters |
| Voltage |
690 VAC, 50Hz or 60Hz + 3Hz |
|
|
| Grid Compatibility |
|
| Frequency-Continuous |
50Hz or 60Hz + 3Hz |
| Line Voltage |
690 VAC +10% Continuous |
| Line Fault Ride-Thru |
-90% of Nominal Line for 3 sec. |
| Line Phase Imbalance |
Rated Power +5%, Cut-in +10% |
|
|
| Yaw System |
4 Electro-Mechanical Motors with Planetary Drives |
| Yaw Bearing |
Internal Gear, Ball Bearing |
| Yaw Brake System |
Disc, 4 Active Hydraulic Brake Calipers |
|
|
| Parking Brake System |
Dual Disc with Active Hydraulic Brake Calipers |
| Parking Brake Location |
Intermediate stage of Gearbox |
|
|
| Tower |
Partial Conical - Tubular Steel, 4 Steel Plate Sections |
| Hub Height |
80m Standard / Other Options Available |
|
|
| Service Hoist |
On-Board 2 Metric-ton Jib Hoist |
|
|
| Maintenance |
|
| Post Commissioning |
Once at 700 Hours, Every 6 Months Thereafter |
Certifications
|
|
| Germanischer Lloyd WindEnergie GmbH |
Operation in extreme cold climate conditions (C93 and C96). Temperatures down to -30° C, survival to -40˚C. |
|
|
| Germanischer Lloyd WindEnergie GmbH |
Statement of compliance for design assessment of the wind turbine: WT-00-009A-2006 (C93) / WT-00-008A-2006 (C96) / WT-00-012A-2006 (C89) |
|
|
USDOE’s NREL
Accredited Lab
12/04-3/05 |
Drivetrain dynamometer test |
|
|
|
1 Hub |
7 Yaw System |
|
2 Nacelle |
8 Machine Base |
|
3 Gearbox |
9 Turbine Control Unit |
|
4 Main Shaft |
10 Hydraulic Power Unit |
|
5 Generators |
11 On-Board Jib Hoist |
|
6 Parking Brakes |
|
|
