WT Components | Annual Failure Rate | Down Time per Failure (days) |
Electrical system | 0.57 | 1.53 |
Electronic control | 0.43 | 1.59 |
sensors | 0.25 | 1.41 |
Hydraulic system | 0.23 | 1.36 |
Yaw system | 0.18 | 2.70 |
Rotor hub | 0.17 | 3.71 |
Mechanical brakes | 0.13 | 2.89 |
Rotor blades | 0.11 | 2.60 |
gearbox | 0.10 | 6.21 |
generator | 0.11 | 5.39 |
Support & housing | 0.10 | 4.90 |
Drive train | 0.05 | 5.71 |