"uuid","repository link","title","author","contributor","publication year","abstract","subject topic","language","publication type","publisher","isbn","issn","patent","patent status","bibliographic note","access restriction","embargo date","faculty","department","research group","programme","project","coordinates" "uuid:332b590a-a0ce-4b86-b4e2-d74cf2f6d168","http://resolver.tudelft.nl/uuid:332b590a-a0ce-4b86-b4e2-d74cf2f6d168","Assessment of the Validity of the Warranted Power Curve in non-standard Wind Conditions: An Empirical Study of the effects of density, turbulence intensity, wind shear, wind veer, and inflow angle on the Power Curve","Marchena, C.J.","Bierbooms, W. (mentor); van Bussel, G. (mentor); Rindt, C. (mentor); Coelingh, J.P. (mentor)","2017","This research aims to investigate the validity of the standard power curve (i.e. measured power curve M-PC) in non-standard wind conditions and the integration of those results into recommended practices for future warranty negotiations. The Power Performance Testing (PPT) is carried out on a ABC1 with rotor diameter between 105-110m and rated power between 3-3.5MW at a hub height 89-92m for two scenarios: i) PPT based on the IEC 61400-12-1:2005 standard (International Electrotechnical Commission - 2005) [1], where the terrain complexity (elevation differences, forestry, etc.) results in requirement for site calibration, and ii) PPT based on non-standard wind conditions. The onshore wind farm considered in this study is the XYZ in UK. Five locations within the wind farm were studied: WTG1, WTG2, WTG3, WTG4, and WTG5. Each location had one met-mast pair, one being the reference position met-mast (RM) and the other being a temporary mast located where the wind turbine will be installed, called site calibration mast (SM). Three months of data from 10 met-mats were obtained from the site calibration test. The result of the site calibration is a table of flow correction factors for all wind directions in the measurement sector. The data collected allowed as well, a detailed analysis of the influence of air density, turbulence intensity (TI), wind shear, wind veer, and inflow...","Contract; Windenergy; Power Performance Test; Wind Conditions; Wind Speed; Air Density; Turbulence Intensity; Wind Shear; Wind Veer; Wind Turbines; Inflow Angle; Power Curve; Complex Terrain; IEC 61400-12-1; Supplier Warranties","en","master thesis","","","","","","","","","Aerospace Engineering","Wind Energy","","","",""