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Power curve verification for offshore wind turbines
According to the standard IEC 61400-12-1 ed. 2017, nacelle-mounted remote sensing devices (LIDARs) are not included into methodology of wind speed measurements. This implies that according to the standard, the cost for power curve verification (PCV) for offshore turbines is high. What is your experience of including the PCV for offshore turbines in the agreements with turbine suppliers? Does it differ case to case or is there any acceptable method to measure wind speed for PCV.