Article | REF: MT9286 V1

Decision support system for predictive maintenance of wind farms

Author: Moamar SAYED MOUCHAWEH

Publication date: April 10, 2018

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2. Fault diagnosis for wind turbines

The aim of a fault diagnosis module is to keep the wind turbine running in conditions that maximize electricity generation at minimum cost, while ensuring its safety. To achieve this, a number of difficulties and challenges need to be overcome, such as :

  • the non-linearity, instability and complexity of wind turbine aerodynamics;

  • the effect of the park due to wind shear (variation in wind speed) ;

  • the random and turbulent nature of wind ;

  • measurement noise and disturbances due to climatic conditions ;

  • the effect of control, which can counteract, and therefore mask, the consequences of a defect.

These factors cause significant fluctuations in the power generated by the wind...

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Fault diagnosis for wind turbines