A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G....

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A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University of Perugia Presented at the: 24 th ASME Wind Energy Symposium “A new technique to improve expected AEP estimation in very complex terrain” – AIAA- 2005-1331 USER MEETING - Tønsberg 27-28 June 2005

Transcript of A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G....

Page 1: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

A new technique to improve expected AEP estimation in very complex terrain

F.Castellani, G. Franceschini

Department of Industrial Engineering – University of Perugia

Presented at the:

24th ASME Wind Energy Symposium“A new technique to improve expected AEP estimation in very complex terrain” – AIAA-2005-1331

USER MEETING - Tønsberg 27-28 June 2005

Page 2: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

FOSSATO DI VICO WIND FARM DEVELOPMENT

Francesco CastellaniUniversity of Perugia – Department of Industrial Engineering

Email: [email protected]

USER MEETING - Tønsberg 27-28 June 2005

Page 3: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

ANEMOMETERS DATA

Francesco CastellaniUniversity of Perugia – Department of Industrial Engineering

Email: [email protected]

USER MEETING - Tønsberg 27-28 June 2005

Page 4: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

First AEP estimations results

GWh 769443.18760*3977

0.803319AEP

REAL PRODUCTION

Francesco CastellaniUniversity of Perugia – Department of Industrial Engineering

Email: [email protected]

USER MEETING - Tønsberg 27-28 June 2005

Page 5: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

TEST FIELD

Francesco CastellaniUniversity of Perugia – Department of Industrial Engineering

Email: [email protected]

USER MEETING - Tønsberg 27-28 June 2005

Page 6: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

OPERATIONAL CONDITIONS oz

m

umu h

hvv

o

o

z

z10

ln

1

Francesco CastellaniUniversity of Perugia – Department of Industrial Engineering

Email: [email protected]

USER MEETING - Tønsberg 27-28 June 2005

Page 7: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

Power curves for turbine nr. 1

0

100

200

300

400

500

600

700

800

0 2 4 6 8 10 12 14 16 18 20

wind speed (m/s)

P (

kW

)

certified power curve (air density 1.112 kg/m^3)

measured power curve

ESTIMATED AEP AND REAL PRODUCTION

Francesco CastellaniUniversity of Perugia – Department of Industrial Engineering

Email: [email protected]

USER MEETING - Tønsberg 27-28 June 2005

Page 8: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

WIND PROFILES

ISO-surfaces 6.5 m/s ISO-surfaces 6.6 m/s

CFD WIND FIELD MODELINGUsing WindSim

Francesco CastellaniUniversity of Perugia – Department of Industrial Engineering

Email: [email protected]

USER MEETING - Tønsberg 27-28 June 2005

Page 9: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

WIND SIMULATIONS

TERRAIN DATA ROUGHNESS DATA WIND DATA

MANUFACTURERPOWER CURVE

FIRST AEPESTIMATION

WIND FIELD INFORMATION – WIND PROFILES

POWER CURVE CUSTOMIZATION

ENERGY MODULE WITH CUSTOMIZED

POWER CURVE

SECOND AEPESTIMATION

THE POWER CURVE CORRECTION

Francesco CastellaniUniversity of Perugia – Department of Industrial Engineering

Email: [email protected]

USER MEETING - Tønsberg 27-28 June 2005

Page 10: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

TUNING THROUGH SODAR MEASUREMENTS

Francesco CastellaniUniversity of Perugia – Department of Industrial Engineering

Email: [email protected]

USER MEETING - Tønsberg 27-28 June 2005

Page 11: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

THE POWER CURVE CORRECTION

Francesco CastellaniUniversity of Perugia – Department of Industrial Engineering

Email: [email protected]

USER MEETING - Tønsberg 27-28 June 2005

Page 12: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

THE POWER CURVE CORRECTION

dzzvzHD

zvP rr

DH

DH

rr

rr

322

2

2

)(2

227

16

2

1)(

profile) ialP(exponent

profile) lP(numericaR

vP*mv,Rmv,P cercor

Francesco CastellaniUniversity of Perugia – Department of Industrial Engineering

Email: [email protected]

USER MEETING - Tønsberg 27-28 June 2005

Page 13: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

RESULTS

Francesco CastellaniUniversity of Perugia – Department of Industrial Engineering

Email: [email protected]

USER MEETING - Tønsberg 27-28 June 2005

Page 14: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

RESULTS

Francesco CastellaniUniversity of Perugia – Department of Industrial Engineering

Email: [email protected]

USER MEETING - Tønsberg 27-28 June 2005

Page 15: A new technique to improve expected AEP estimation in very complex terrain F.Castellani, G. Franceschini Department of Industrial Engineering – University.

FUTURE WORK

I. Use the new version of Windsim with orthogonalized grids, refinements and smoothing of the terrain

II. Develop a new method to customize the power curve using the 3D wind field information

Francesco CastellaniUniversity of Perugia – Department of Industrial Engineering

Email: [email protected]

USER MEETING - Tønsberg 27-28 June 2005