When Rotor Aerodynamic Imbalance impacts WT performance

Jun. 25, 2019 ---

When your wind turbine under performs, in 40% of the cases it's due to rotor imbalance. Windfit can help you diagnose the rotor imbalance and win AEP gains.

When Rotor aerodynamic imbalance impacts your wind turbine performance... Windfit is there to help. How?

Let us share a client's case where Windfit detected a sudden increase of the aerodynamic imbalance (1). At the same time, a significant plunge of the turbines power curve was observed (2) on the Windfit web portal results.

Rotor aerodynamic imbalance june 2019

Our client called their O&M ENERCON who, based on Windfit's diagnosis, went on site to check the zero angle of the blades and found a 3° pitch offset on one of them.

rotor aerodynamic imbalance 2 june 2019

Less than a month after Windfit sent its alert, our client fixed the issue (3) impacting the turbine's performance, leading to an 6.5% AEP gain.