Turbulence measurement by nacelle anemometer of downwind turbine

Soichiro Kiyoki; Shigeo Yoshida

Turbulence measurement by nacelle anemometer of downwind turbine

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Turbulence is known to affect both fatigue loads and performance of wind turbines. Present study shows a procedure to measure turbulence intensity at the rotor center of downwind turbines in power production. Average and standard deviation of the nacelle wind speed were corrected by the correlation between nacelle and rotor center, which is provided by field tests. Furthermore, the standard deviation was corrected by the nacelle fore-aft vibration. Here, CFD did not show the interference from blades affect to fluctuation of nacelle wind speed. Present procedure was validated through field tests of SUBARU80/2.0 2MW downwind turbine. The result indicates that downwind turbines have potential to validate performance and fatigue strength considering turbulence intensity in power production as well as wind speed distribution.

Original language	English
Title of host publication	European Wind Energy Conference and Exhibition 2008
Pages	2973-2976
Number of pages	4
Publication status	Published - Dec 1 2008
Externally published	Yes
Event	European Wind Energy Conference and Exhibition 2008, EWEC 2008 - Brussels, Belgium Duration: Mar 31 2008 → Apr 3 2008

Publication series

Name	European Wind Energy Conference and Exhibition 2008
Volume	6

Other

Other	European Wind Energy Conference and Exhibition 2008, EWEC 2008
Country	Belgium
City	Brussels
Period	3/31/08 → 4/3/08

All Science Journal Classification (ASJC) codes

Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment

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Cite this

Kiyoki, S., & Yoshida, S. (2008). Turbulence measurement by nacelle anemometer of downwind turbine. In European Wind Energy Conference and Exhibition 2008 (pp. 2973-2976). (European Wind Energy Conference and Exhibition 2008; Vol. 6).

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title = "Turbulence measurement by nacelle anemometer of downwind turbine",

abstract = "Turbulence is known to affect both fatigue loads and performance of wind turbines. Present study shows a procedure to measure turbulence intensity at the rotor center of downwind turbines in power production. Average and standard deviation of the nacelle wind speed were corrected by the correlation between nacelle and rotor center, which is provided by field tests. Furthermore, the standard deviation was corrected by the nacelle fore-aft vibration. Here, CFD did not show the interference from blades affect to fluctuation of nacelle wind speed. Present procedure was validated through field tests of SUBARU80/2.0 2MW downwind turbine. The result indicates that downwind turbines have potential to validate performance and fatigue strength considering turbulence intensity in power production as well as wind speed distribution.",

author = "Soichiro Kiyoki and Shigeo Yoshida",

year = "2008",

month = dec,

day = "1",

language = "English",

isbn = "9781615671151",

series = "European Wind Energy Conference and Exhibition 2008",

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T1 - Turbulence measurement by nacelle anemometer of downwind turbine

AU - Kiyoki, Soichiro

AU - Yoshida, Shigeo

PY - 2008/12/1

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N2 - Turbulence is known to affect both fatigue loads and performance of wind turbines. Present study shows a procedure to measure turbulence intensity at the rotor center of downwind turbines in power production. Average and standard deviation of the nacelle wind speed were corrected by the correlation between nacelle and rotor center, which is provided by field tests. Furthermore, the standard deviation was corrected by the nacelle fore-aft vibration. Here, CFD did not show the interference from blades affect to fluctuation of nacelle wind speed. Present procedure was validated through field tests of SUBARU80/2.0 2MW downwind turbine. The result indicates that downwind turbines have potential to validate performance and fatigue strength considering turbulence intensity in power production as well as wind speed distribution.

AB - Turbulence is known to affect both fatigue loads and performance of wind turbines. Present study shows a procedure to measure turbulence intensity at the rotor center of downwind turbines in power production. Average and standard deviation of the nacelle wind speed were corrected by the correlation between nacelle and rotor center, which is provided by field tests. Furthermore, the standard deviation was corrected by the nacelle fore-aft vibration. Here, CFD did not show the interference from blades affect to fluctuation of nacelle wind speed. Present procedure was validated through field tests of SUBARU80/2.0 2MW downwind turbine. The result indicates that downwind turbines have potential to validate performance and fatigue strength considering turbulence intensity in power production as well as wind speed distribution.

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T3 - European Wind Energy Conference and Exhibition 2008

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BT - European Wind Energy Conference and Exhibition 2008

T2 - European Wind Energy Conference and Exhibition 2008, EWEC 2008

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