FINO3 First results from the 2nd Offshore Wind Energy Research Platform in the North SeaDetlef KindlerEWEC Warsaw, 2010-04-21

Introduction to FINO platforms GL involvementsFINO3 design measurement layoutFlow distortion by mast effectsPreliminary results wind distribution and statisticsFirst comparisons to FINO1Summary & outlook

Outline

FINO Platforms in the North Sea and Baltic SeaErection dates: 2003 FINO1 2007 FINO2 2009 FINO3

Design and foundationThe North Sea Platforms FINO1 and FINO3FINO1FINO3

FINO3 platform and mast layoutMain platform 13x13m, mast on Northern corner, lattice tower structure, width 1.2m (top) to 6m (base)

FINO3 mast/boom layoutMassive lattice tower structure, solid main columns, booms 3.1 to 8.8 m long

FINO1 flow distortion effectsSquare mast base two boom directions top cup in cage

Different mast & boom designs FINO1 experiences used for FINO3

FINO3 boom layoutOn levels 50, 70, 90m all 3 boom with same cup type

Handling the flow distortionSelection of undisturbed sectors: 2 x 60for each boom directionMast

Handling the flow distortionDistribution of wind direction / sectors

Downwind and upwind wake effects on cupsRatio between disturbed and undisturbed wind speeds down wind wake deficits up to >40%

Undisturbed wind speed time seriesMean WS, standard dev. and max values from cups at 70 m Max 10 min29.8 m/s Max 1 sec36.1 m/s

System and Data AvailabilityMid-Sep pre-commissioning, test operation until Dec

Wind direction and speed distributionPolar plots for period Sep 2009 to Mar 2010WD @ 60m WS @ 70m

Comparison FINO1 and FINO3Distance FINO1 to FINO3 136 km, direction NNE land distance to SW 50 km (F1) and 200 km (F3)

Comparison to FINO1(A) storm event (Westerly) on Oct 3, 2009 (B) 3 months time series Dec 2009 Feb 2010

FINO3 vs. FINO1: delay in storm event appearanceDelay of 3 to 5 h between FINO1 and FINO3, Westerly wind directionsWind speed @ 70mWind direction @ 60 / 90m

FINO3 vs. FINO1: Mean Wind SpeedsCumulated & monthly mean wind speeds 3 months only !!! FINO3-Avg10.14 m/s FINO1-Avg 9.84 m/s

FINO3 wind measurements in pre-operation since Sep 2009 in full operation since Dec 2009Promising approach to handle flow distortion effectsFirst data on wind distribution and statistics high demand from developers comparison to FINO1, almost 7 years of data

Refinement of processing techniques flow distortion plausibility checksData to be fed into BSH FINO data bank by summer this year for public useValidation of mast wake effects by LiDAR comparison

SummaryOutlook

to the auditorium !!! for German/Federal and State (SH) funding

http://www.fino3.dehttp://www.fino-offshore.de/http://fino.bsh.de/

ThanksWeb sites

FINO3 log profiles (alpha values), betw. 30m & 80mWesterly WD 225to 285 Easterly WD 45to 105

FINO3 vs. FINO1: Weibull statisticsFINO 3FINO 1

FINO3 vs. FINO1: Turbulence IntensityNatural and characteristic turbulenceFINO 3FINO 1

FINO3 vs. FINO1: Turbulence IntensityNatural and characteristic turbulence

land distance 50, 90 and 20 (FINO2), top heights, water depths, GL involvements O&M, wind meas. systemmonopile diameter 2.7 to 4.7 m, design wave F1-17m (110 y), F3-18m (50 y)