PROJECT TITLE :

Wind turbine reliability estimation for different assemblies and failure severity categories

ABSTRACT:

This study discusses the life-cycle analysis of wind turbines through the processing of operational information from three fashionable European wind farms. A methodology for supervisory control and knowledge acquisition data processing has been developed combining previous analysis findings and experience from operational wind farms followed by statistical analysis of the results. The analysis was performed by dividing the wind turbine into assemblies and also the failures events in severity categories. Depending on the failure severity class a totally different statistical methodology was applied, examining the reliability growth and the applicability of the 'bathtub curve’ concept for wind turbine reliability analysis.