Wind Turbines .


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Distinctive sorts of wind turbines. Drag-sort turbinesPersian windmillChinese wind wheelSaviounusLift-sort turbinesVAWT, Vertical Axis Wind TurbineDarrieusHAWT, Horizontal Axis Wind TurbineThe Danish conceptAmerican multibladeGrumman windstream. Drag-sort turbines. The Persian windmill. The Chinese wind wheel.
Transcripts
Slide 1

Wind Turbines

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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 turbines

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Drag-sort turbines Savonious The Persian windmill The Chinese wind wheel

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Drag-sort turbines Ref: www.ifb.uni-stuttgart.de/~doerner/edesignphil.html

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Lift-sort turbines VAWT, Darrieus

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Lift-sort turbines VAWT, Darrieus

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Ref: www.ifb.uni-stuttgart.de/~doerner/edesignphil.html

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Lift-sort turbines HAWT, American Multiblade

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Lift-sort turbines HAWT, Grumman Windstream

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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 Concept

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Development of HAWT HEIGHT [M]

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Wind power and vitality A Power yield from wind turbines: Energy creation from wind turbines: C

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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. 0-7918-1205-7

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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/s

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Global Installed wind control

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Installed wind control Source: www.gwec.net

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Wind control limit worldwide conjecture

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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 Hitra

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Norwegian twist cultivates in operation Ref. www.nve.no

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Norwegian wind ranches License is given, however not manufactured Ref. www.nve.no

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HAWT Horisontal-Axis Wind Turbines SMØLA

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Foundation Tower Nacelle Hub Turbine cutting edges HAWT Main Components Ref. Wind Power Plants, R.Gasch, J.Twele

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Towers Lattice tower Tubular steel towers, Guyed Pole Tower Concrete tower

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Tower outlines Ref. Wind Power Plants, R.Gasch, J.Twele

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Nacelle and Yaw framework Ref. www.windpower.org

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Yaw framework Ref. www.windpower.org

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Nacelle

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Nacelle

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Nacelle Design Ref. Wind Power Plants, R.Gasch, J.Twele

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Nacelle Drive Trains Ref. Wind Power Plants, R.Gasch, J.Twele

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VESTAS V90 3 MW 108 TONS

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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 kg 

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(tons)

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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 M

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Hub outline

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Hub plan Ref. Wind Power Plants, R.Gasch, J.Twele

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Hub outline Ref. Wind Power Plants, R.Gasch, J.Twele

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Blade Design Ref. Wind Power Plants, R.Gasch, J.Twele

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Design at various TSR Ref. Wind Power Plants, R.Gasch, J.Twele

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Energy Flux in the wind Where: P = Power [W] r = Density [kg/m 3 ] c = Velocity [m/s]

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Wind speed, power and vitality

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Power yield Wind Power Turbine Power

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Aerodynamic brakes Ref. Wind Power Plants, R.Gasch, J.Twele

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Stall control Ref. Wind Power Plants, R.Gasch, J.Twele

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Turbine cutting edge pitch framework Ref. Wind Power Plants, R.Gasch, J.Twele

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Turbine cutting edge pitch framework

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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 Links

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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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