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Wind Turbines. Drag-type turbines Persian windmill Chinese wind wheel Saviounus Lift-type turbines VAWT, Vertical Axis Wind Turbine Darrieus HAWT, Horizontal Axis Wind Turbine The Danish concept American multiblade Grumman windstream. Different types of wind turbines.

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Presentation Transcript
different types of wind turbines
Drag-type turbines

Persian windmill

Chinese wind wheel

Saviounus

Lift-type turbines

VAWT, Vertical Axis Wind Turbine

Darrieus

HAWT, Horizontal Axis Wind Turbine

The Danish concept

American multiblade

Grumman windstream

Different types of wind turbines
drag type turbines
Drag-type turbines

Savonious

The Persian windmill

The Chinese wind wheel

drag type turbines4
Drag-type turbines

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

lift type turbines hawt the danish concept
The blades upwind the rotor

Constant speed on the rotor

Power output limitation

Stall control

Brakes

Mechanical

Aerodynamic

Lift-type turbinesHAWT, The Danish Concept
wind power and energy
Wind power and energy

A

  • Power output from wind turbines:
  • Energy production from wind turbines:

C

energy flux for wind turbines
Energy flux for wind turbines

Where:

P = Power [W]

r = Density [kg/m3]

c = Velocity [m/s]

A = Area [m2]

h = Efficiency [ - ]

Recommended literature: Wind Turbine Technology,

David A. Spera,

ISBN no. 0-7918-1205-7

slide14

The world’s energy potential for land based wind turbines

Estimated energy output in kWh/kW from a wind turbine that are dimensioned for 11 m/s

installed wind power
Installed wind power

Source: www.gwec.net

wind power in norway per 1st january 2006
Energy goal for 2010: 3 TWh

Wind farms in operation:

Number of wind farms: 13

Number of wind mills: 165

Installed power: ca. 320 MW

Energy production: ca. 900 GWh

Planned wind farms (License is given, but not built)

Number of wind farms: 15

Number of wind mills: 439

Installed power: 1214 MW

Energy production: 3866 GWh

Planned wind farms (Applied for License)

Number of wind farms: 36

Number of wind mills: 1444

Installed power: 4496 MW

Wind Power in Norwayper 1st January 2006

Hitra

hawt main components
Foundation

Tower

Nacelle

Hub

Turbine blades

HAWTMain Components

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

towers
Towers

Lattice tower

Tubular steel towers,

Guyed Pole Tower

Concrete tower

tower designs
Tower designs

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

nacelle and yaw system
Nacelle and Yaw system

Ref. www.windpower.org

yaw system
Yaw system

Ref. www.windpower.org

nacelle design
Nacelle Design

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

nacelle drive trains
Nacelle Drive Trains

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

slide32

VESTAS V90

3 MW

108 TONS

slide33

Multibrid M5000

Power output: 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 

hydraulic transmission 5 mw
Hydraulic transmission - 5 MW

P = Hydraulic pump (Assumed weight 20 ton)

M = Variable displacement motor 8 x A4VSO1000

G = Generator placed at the bottom of the wind turbine

P

G

M

hub design37
Hub design

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

hub design38
Hub design

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

blade design
Blade Design

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

design at different tsr
Design at different TSR

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

energy flux in the wind
Energy Flux in the wind

Where:

P = Power [W]

r = Density [kg/m3]

c = Velocity [m/s]

power output
Power output

Wind Power

Turbine Power

aerodynamic brakes
Aerodynamic brakes

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

stall control
Stall control

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

turbine blade pitch system
Turbine blade pitch system

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

links
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/pub/vindkraft/index.asp

www.gwec.net

http://ec.europa.eu/research/energy/nn/nn_rt/nn_rt_wind/article_1101_en.htm

Links
recommended literature
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 design 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 literature