Wind TurbinesSlide 2
Drag-sort turbines Persian windmill Chinese wind wheel Saviounus Lift-sort turbines VAWT, Vertical Axis Wind Turbine Darrieus HAWT, Horizontal Axis Wind Turbine The Danish idea American multiblade Grumman windstream Different sorts of wind turbinesSlide 3
Drag-sort turbines Savonious The Persian windmill The Chinese wind wheelSlide 4
Drag-sort turbines Ref: www.ifb.uni-stuttgart.de/~doerner/edesignphil.htmlSlide 5
Lift-sort turbines VAWT, DarrieusSlide 6
Lift-sort turbines VAWT, DarrieusSlide 7
Ref: www.ifb.uni-stuttgart.de/~doerner/edesignphil.htmlSlide 8
Lift-sort turbines HAWT, American MultibladeSlide 9
Lift-sort turbines HAWT, Grumman WindstreamSlide 10
The cutting edges upwind the rotor Constant speed on the rotor Power yield constraint Stall control Brakes Mechanical Aerodynamic Lift-sort turbines HAWT, The Danish ConceptSlide 11
Development of HAWT HEIGHT [M]Slide 12
Wind power and vitality A Power yield from wind turbines: Energy creation from wind turbines: CSlide 13
Energy flux for wind turbines Where: P = Power [W] r = Density [kg/m 3 ] c = Velocity [m/s] A = Area [m 2 ] h = Efficiency [ - ] Recommended writing: Wind Turbine Technology , David A. Spera, ISBN no. 0-7918-1205-7Slide 14
The world\'s vitality potential for land based wind turbines Estimated vitality yield in kWh/kW from a wind turbine that are dimensioned for 11 m/sSlide 15
Global Installed wind controlSlide 16
Installed wind control Source: www.gwec.netSlide 17
Wind control limit worldwide conjectureSlide 18
Energy objective for 2010: 3 TWh Wind cultivates in operation: Number of wind farms: 13 Number of wind mills: 165 Installed power: ca. 320 MW Energy production: ca. 900 GWh Planned wind ranches ( License is given, however not constructed) Number of wind farms: 15 Number of wind mills: 439 Installed power: 1214 MW Energy production: 3866 GWh Planned wind ranches (Applied for License) Number of wind farms: 36 Number of wind mills: 1444 Installed power: 4496 MW Wind Power in Norway per first January 2006 HitraSlide 19
Norwegian twist cultivates in operation Ref. www.nve.noSlide 20
Norwegian wind ranches License is given, however not manufactured Ref. www.nve.noSlide 22
HAWT Horisontal-Axis Wind Turbines SMØLASlide 23
Foundation Tower Nacelle Hub Turbine cutting edges HAWT Main Components Ref. Wind Power Plants, R.Gasch, J.TweleSlide 24
Towers Lattice tower Tubular steel towers, Guyed Pole Tower Concrete towerSlide 25
Tower outlines Ref. Wind Power Plants, R.Gasch, J.TweleSlide 26
Nacelle and Yaw framework Ref. www.windpower.orgSlide 27
Yaw framework Ref. www.windpower.orgSlide 28
Nacelle Design Ref. Wind Power Plants, R.Gasch, J.TweleSlide 31
Nacelle Drive Trains Ref. Wind Power Plants, R.Gasch, J.TweleSlide 32
VESTAS V90 3 MW 108 TONSSlide 33
Multibrid M5000 Power yield: 5 MW Diameter: 116 m. Turbine speed: 5,9 - 14,8 rpm Masses : Blade: 16.500 kg Hub: 60.100 kg Nacelle: 199.300 kgSlide 34
Hydraulic transmission - 5 MW P = Hydraulic pump (Assumed weight 20 ton) M = Variable relocation engine 8 x A4VSO1000 G = Generator put at the base of the wind turbine P G MSlide 36
Hub outlineSlide 37
Hub plan Ref. Wind Power Plants, R.Gasch, J.TweleSlide 38
Hub outline Ref. Wind Power Plants, R.Gasch, J.TweleSlide 39
Blade Design Ref. Wind Power Plants, R.Gasch, J.TweleSlide 40
Design at various TSR Ref. Wind Power Plants, R.Gasch, J.TweleSlide 41
Energy Flux in the wind Where: P = Power [W] r = Density [kg/m 3 ] c = Velocity [m/s]Slide 42
Wind speed, power and vitalitySlide 43
Power yield Wind Power Turbine PowerSlide 44
Aerodynamic brakes Ref. Wind Power Plants, R.Gasch, J.TweleSlide 45
Stall control Ref. Wind Power Plants, R.Gasch, J.TweleSlide 46
Turbine cutting edge pitch framework Ref. Wind Power Plants, R.Gasch, J.TweleSlide 47
Turbine cutting edge pitch frameworkSlide 48
www.windpower.org/www.ewea.org www.nve.no www.hydro.com/no/our_business/oil_energy/new_energy/wind/index.html www.statkraft.no/bar/vindkraft/index.asp www.gwec.net http://ec.europa.eu/explore/vitality/nn/nn_rt/nn_rt_wind/article_1101_en.htm LinksSlide 49
Wind Power Plants, Fundamentals, Design Construction and Operation R. gasch, J. Twele, ISBN no. 1-902916-38-7 Wind Turbine Technology David A. Spera, ISBN no. 0-7918-1205-7 Guidelines for plan of Wind Turbines DNV, RISØ, ISBN no. 87-550-2870-5 Wind Energy Handbook T. Burton, D. Sharpe, N. Jenkins, E. Bossanyi, ISBN no. 0-471-48997-2 Aerodynamics of Wind Turbines Martin O. L. Hansen, ISBN no. 1-902916-06-9 Recommended writing
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