Demonstration of a Basis for Tall Wind Turbine Design, EUDP Project Final Report

Anand Natarajan; Nikolay Krasimirov Dimitrov; Peter Hauge Madsen; Jacob Berg; Mark C. Kelly; Gunner Chr. Larsen; Jakob Mann; David Robert Verelst; John Dalsgaard Sørensen; Henrik Toft; Imad Abdallah; N.-J. Tarp-Johansen; Thomas Krogh; Jesper Stærdahl; Christer Eriksson; Erik Jørgensen; Frank Klintø; Leo Thesbjerg

Demonstration of a Basis for Tall Wind Turbine Design, EUDP Project Final Report

Anand Natarajan, Nikolay Krasimirov Dimitrov, Peter Hauge Madsen, Jacob Berg, Mark C. Kelly, Gunner Chr. Larsen, Jakob Mann, David Robert Verelst, John Dalsgaard Sørensen, Henrik Toft, Imad Abdallah, N.-J. Tarp-Johansen, Thomas Krogh, Jesper Stærdahl, Christer Eriksson, Erik Jørgensen, Frank Klintø, Leo Thesbjerg

Department of Wind Energy

Research output: Book/Report › Report › Research

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Abstract

Wind turbine design using calibrated wind models have been proposed to be used in conjunction with load cases which lead to reduced uncertainties in the design of wind turbines with hub heights above 60m. These recommended wind profiles have been made for shear, wind directional change and turbulence. The wind turbulence models used in the loads simulations have been calibrated so that their model parameters reflect the atmospheric stability conditions and the quantile of turbulence intensity considered. Consequently large multi megawatt turbines being designed today can benefit from these more advanced wind inflow models. A revision of the IEC 61400-1standard is being developed and has incorporated some of the recommendations made from this project.This project demonstrated the impact of wind models by simulating wind turbine loads based on high frequency wind measurements taken between 100m and 200m altitude performed at Høvsøre in Denmark. The project also demonstrated the impact of the new wind models on load cases and the certification envelope of turbines. Further the project provided a detailed assessment of safety factors for IEC 61400-1 load cases using reliability-based procedures incorporating the new models and this has been made as an Annex to the new standard that is due to be issued.

Original language	English

Publisher	DTU Wind Energy
Number of pages	101
ISBN (Electronic)	978-87-93278-65-3
Publication status	Published - 2016

Series	DTU Wind Energy E
Number	0108

Bibliographical note

EUDP 11-II 64011 -0352

Keywords

DTU Wind Energy E-0108
DTU Wind Energy E-108

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EUDP Tall Wind Project Final ReportFinal published version, 7.67 MB

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Natarajan, A., Dimitrov, N. K., Madsen, P. H., Berg, J., Kelly, M. C., Larsen, G. C., Mann, J., Verelst, D. R., Dalsgaard Sørensen, J., Toft, H., Abdallah, I., Tarp-Johansen, N-J., Krogh, T., Stærdahl, J., Eriksson, C., Jørgensen, E., Klintø, F., & Thesbjerg, L. (2016). Demonstration of a Basis for Tall Wind Turbine Design, EUDP Project Final Report. DTU Wind Energy. DTU Wind Energy E No. 0108

Natarajan, Anand ; Dimitrov, Nikolay Krasimirov ; Madsen, Peter Hauge ; Berg, Jacob ; Kelly, Mark C. ; Larsen, Gunner Chr. ; Mann, Jakob ; Verelst, David Robert ; Dalsgaard Sørensen, John ; Toft, Henrik ; Abdallah, Imad ; Tarp-Johansen, N.-J. ; Krogh, Thomas ; Stærdahl, Jesper ; Eriksson, Christer ; Jørgensen, Erik ; Klintø, Frank ; Thesbjerg, Leo. / Demonstration of a Basis for Tall Wind Turbine Design, EUDP Project Final Report. DTU Wind Energy, 2016. 101 p. (DTU Wind Energy E; No. 0108).

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abstract = "Wind turbine design using calibrated wind models have been proposed to be used in conjunction with load cases which lead to reduced uncertainties in the design of wind turbines with hub heights above 60m. These recommended wind profiles have been made for shear, wind directional change and turbulence. The wind turbulence models used in the loads simulations have been calibrated so that their model parameters reflect the atmospheric stability conditions and the quantile of turbulence intensity considered. Consequently large multi megawatt turbines being designed today can benefit from these more advanced wind inflow models. A revision of the IEC 61400-1standard is being developed and has incorporated some of the recommendations made from this project.This project demonstrated the impact of wind models by simulating wind turbine loads based on high frequency wind measurements taken between 100m and 200m altitude performed at H{\o}vs{\o}re in Denmark. The project also demonstrated the impact of the new wind models on load cases and the certification envelope of turbines. Further the project provided a detailed assessment of safety factors for IEC 61400-1 load cases using reliability-based procedures incorporating the new models and this has been made as an Annex to the new standard that is due to be issued.",

keywords = "DTU Wind Energy E-0108, DTU Wind Energy E-108",

author = "Anand Natarajan and Dimitrov, {Nikolay Krasimirov} and Madsen, {Peter Hauge} and Jacob Berg and Kelly, {Mark C.} and Larsen, {Gunner Chr.} and Jakob Mann and Verelst, {David Robert} and {Dalsgaard S{\o}rensen}, John and Henrik Toft and Imad Abdallah and N.-J. Tarp-Johansen and Thomas Krogh and Jesper St{\ae}rdahl and Christer Eriksson and Erik J{\o}rgensen and Frank Klint{\o} and Leo Thesbjerg",

note = "EUDP 11-II 64011 -0352",

year = "2016",

language = "English",

series = "DTU Wind Energy E",

number = "0108",

publisher = "DTU Wind Energy",

address = "Denmark",

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Natarajan, A , Dimitrov, NK , Madsen, PH, Berg, J, Kelly, MC , Larsen, GC , Mann, J , Verelst, DR, Dalsgaard Sørensen, J, Toft, H, Abdallah, I, Tarp-Johansen, N-J, Krogh, T, Stærdahl, J, Eriksson, C, Jørgensen, E, Klintø, F & Thesbjerg, L 2016, Demonstration of a Basis for Tall Wind Turbine Design, EUDP Project Final Report. DTU Wind Energy E, no. 0108, DTU Wind Energy.

Demonstration of a Basis for Tall Wind Turbine Design, EUDP Project Final Report. / Natarajan, Anand ; Dimitrov, Nikolay Krasimirov ; Madsen, Peter Hauge; Berg, Jacob; Kelly, Mark C.; Larsen, Gunner Chr.; Mann, Jakob ; Verelst, David Robert; Dalsgaard Sørensen, John; Toft, Henrik; Abdallah, Imad; Tarp-Johansen, N.-J.; Krogh, Thomas; Stærdahl, Jesper; Eriksson, Christer; Jørgensen, Erik; Klintø, Frank; Thesbjerg, Leo.

DTU Wind Energy, 2016. 101 p. (DTU Wind Energy E; No. 0108).

Research output: Book/Report › Report › Research

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AU - Natarajan, Anand

AU - Dimitrov, Nikolay Krasimirov

AU - Madsen, Peter Hauge

AU - Berg, Jacob

AU - Kelly, Mark C.

AU - Larsen, Gunner Chr.

AU - Mann, Jakob

AU - Verelst, David Robert

AU - Dalsgaard Sørensen, John

AU - Toft, Henrik

AU - Abdallah, Imad

AU - Tarp-Johansen, N.-J.

AU - Krogh, Thomas

AU - Stærdahl, Jesper

AU - Eriksson, Christer

AU - Jørgensen, Erik

AU - Klintø, Frank

AU - Thesbjerg, Leo

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N2 - Wind turbine design using calibrated wind models have been proposed to be used in conjunction with load cases which lead to reduced uncertainties in the design of wind turbines with hub heights above 60m. These recommended wind profiles have been made for shear, wind directional change and turbulence. The wind turbulence models used in the loads simulations have been calibrated so that their model parameters reflect the atmospheric stability conditions and the quantile of turbulence intensity considered. Consequently large multi megawatt turbines being designed today can benefit from these more advanced wind inflow models. A revision of the IEC 61400-1standard is being developed and has incorporated some of the recommendations made from this project.This project demonstrated the impact of wind models by simulating wind turbine loads based on high frequency wind measurements taken between 100m and 200m altitude performed at Høvsøre in Denmark. The project also demonstrated the impact of the new wind models on load cases and the certification envelope of turbines. Further the project provided a detailed assessment of safety factors for IEC 61400-1 load cases using reliability-based procedures incorporating the new models and this has been made as an Annex to the new standard that is due to be issued.

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KW - DTU Wind Energy E-108

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