Technical Specifications
Detailed technical specificaton for the Windflow 500 wind turbine, designed and manufactured in Christchurch, New Zealand for IEC Class 1A.
Blade (1) |
|
| Make: Material: Air Brake: Weight: |
Wind Blades Ltd Laminated wood/epoxy Full-span pitch 900kg |
Rotor (2) |
|
| Number of Blades: Rotor Diameter: Rotor Speed: Swept Area: Hub Height: Orientation: Regulation: Hub: Weight (Hub and Blades): |
2 33.2 m 48-51 rpm 866 m2 30 m Upwind Full-span pitch Teetering (pitch-coupled) 4,000 kg |
Hydraulic System (3) |
|
| 3a. Power Unit: 3b. Yawing: 3c. Pitch Actuation: 3d. Braking: 3e. Torque Limiting: |
7.5 kW axial piston pump 1.3/2/° sec geared motor Linear actuator Fail-safe caliper Radial piston motor |
Gear Box (4) |
|
| Type: Design: No. of Stages: Overall Ratio: Rated Torque: |
Hicks planetary/parallel TLG AH Gears Ltd 4 31.1:1 114 kN.m |
Generator (5) |
|
| Type: Rated Power: Speed: Voltage: Frequency: |
Synchronous 500 kW 1500 rpm 415 V 50 Hz |
Tower (6) |
|
| Type: Height: Weight: |
Tubular 29 m 15,400 kg |
Controller: |
|
| Make: Cut in System: Logic System: |
Bremca Industries Ltd Auto-Synch PLC |
Performance: |
|
| Low wind cut-in: Rated Power at: Maximum Power: High Wind Cut-out: |
5.5 m/s 13.7 m/s 500 kW 30 m/s |
Total Weight: |
|
| Nacelle & Rotor: Total |
13,700 kg 29,100 kg |
