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High Wind Operation (HWO) Enabling extended wind turbine operation to achieve improved output stability, energy production and reliability Benefits of Vestas’ HWO: • Enhanced output stability with de-rated energy production beyond standard cutout wind speeds • Increased Annual Energy Production (AEP) by up to 0.8 percent* • Improved component reliability through fewer stop-and-start operations * Turbine and site dependent Vestas’ High Wind Operation (HWO) is an intelligent control feature allowing the wind turbine to continue operating beyond standard cut-out wind speeds. The result is improved output stability, energy production and reliability. Output stability With Vestas’ HWO control feature, the wind turbine will continue operating beyond the standard cut-out wind speed by following a gradual de-rating profile. This is done by intelligently adapting the blade pitch, power generation and rotational speed, thereby performing a condition-dependent derating of the turbine in proportion to actual wind conditions. On wind park level, this means a more gradual reduction of generated power, benefiting grid s

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Non-HWO re-cut-in wind speed Non-HWO cut-out wind speed The HWO control feature gradually reduces energy production by following a de-rating profile, thereby enabling extended wind turbine operation beyond standard cut-out wind speeds. Additional energy production When the wind speed exceeds the standard cut-out point of a wind turbine, Vestas’ HWO enables the turbine to keep producing electricity. This continued energy production beyond the standard cut-out wind speed can improve annual energy production by up to 0.8 percent*. Improved reliability The Vestas HWO control feature results in...

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