List any four mechanical and electrical faults in SWT.

List any four mechanical and electrical faults in SWT.
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1 Answer

Answer :

Mechanical Faults in SWT:

1. Bearing and gearbox issue

2. Blade design , manufacturing, installation issue

3. Mechanical break down

4. Hydraulic failure

5. Nacelle fire

6. Turbine collapse

7. Axial stress

8. Yaw motor events

9. Foundation damage

10. Extreme weather conditions

11. Insufficient oil drain

12. Fatigue, high stress on shaft and gearbox

13. Improper handling during construction

14. Structural deformation


Electrical Faults in SWT:

1. Generator failure

2. Electrical breakdown of generator, transformer ,CB

3. Lightning strikes

4. Power converter failure

5. Grid failure

6. Wind turbine electric system failure

7. Excessive vibration, voltage imbalance, inadequate insulation.

8. Transient shaft voltage, wrong selection of cables

9. Damage of rotor, stator

10. Improper grounding

11. Poor design, material failure, power regulator failure

12. Torque reversal due occasional connecting and disconnecting generator to grid

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