Abstract
The weather conditions determine the wind farm energy production with time. Ice formation on blades is the environmental phenomenon that generates more downtime in the wind energy industry. Wind turbine operation must stop production when ice is detected on the blades for safety reasons. People, animals, devices, etc., close to the wind farm can be put at risk due to the possibility of ice detaching from the blades as they rotate at high speed. Moreover, abnormal vibration of the wind turbine arising from the ice accumulation can cause failures. The resulting downtime can lead to significant financial costs due to the lost production. Non-destructive Testing (NDT) techniques are therefore required in order to detect ice accumulation on the blades. This chapter presents the main NDT approaches for blade icing monitoring. The main method for eliminating the ice is also discussed.
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