29 Nov FGW TG 2 Indication of Alteration
The Technical committee for power curve votes for an alteration of revison 17 of the Technical Guideline Part 2 “Determination of Power Curves and Standardised Energy Yields”.
The alteration affects formula (2-2) and its explanation on page 3 of revision 17 of the Technical Guideline 2 (TG 2). The formula defines the wind shear correction factor which is needed for the determination of the reference yield based on the rotor equivalant wind speed. The alteration is needed to convert the different measurement heights of the power curve measurement to the correct heights that are relevant for the hub height at which the determination of the reference yield should be applied.
The alteration is valid with immediate effect.
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