Slide 1

WINDSCANNER.DK: LIDAR WIND SPEED MEASUREMENTS FROM A ROTATING SPINNER T. Mikkelsen, K. Hansen, N. Angelou, M. Sjholm, M. Harris, P. Hadley, R. Scullion, G. Ellis, G. Vives Ris DTU, Roskilde, Denmark Natural Power, Malvern, UK

Slide 2

2Ris DTU, Technical University of Denmark WindScanner.dk From new Wind Lidar Technology towards new Wind Energy Research Infrastructures: Technical focus Scientific focus RI focus Current Status EU ESFRI Road Map 2010 ? First CW Wind lidar 2004 MusketeerEX 2007/2008 SpinnerEX 2009 WindScanner. dk2010-2013

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3Ris DTU, Technical University of Denmark WindScanner.dk methodology is based on 3-dimensional scanning with wind lidar's to determine the instantaneous turbulence fields: Since 2005 new wind lidar's have enabled replacement of tall (80-300 m) MET masts

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4Ris DTU, Technical University of Denmark

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5 H 25 kW Wind Turbine 1975: /H ~ 0.3 2.3 MW NM80 Height 59 m; =80H