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TECHNICAL PAPERS

Extreme Gust Loading for Wind Turbines during Operation

[+] Author and Article Information
P. W. Cheng, W. A. A. M. Bierbooms

Institute of Wind Energy, Delft University of Technology, Delft, The Netherlands

J. Sol. Energy Eng 123(4), 356-363 (Jul 01, 2001) (8 pages) doi:10.1115/1.1413218 History: Received April 01, 2001; Revised July 01, 2001
Copyright © 2001 by ASME
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References

Figures

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Stochastic and deterministic wind signals: Solid line is constrained gust, Dashed line is original wind signal, and Dash-dot line is the IEC gust
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Measured (anemometer) and predicted average gust shapes based on 1335 gust observations corresponding to 10-min. mean wind speeds restricted to the range from 9 m/s to 11 m/s
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Estimated (histogram) and predicted (curve) PDF’s of local maxima (normalized by the standard deviation) associated with mean wind speeds in the range from 18 m/s to 19 m/s
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Distribution of the gust response fitted with different distribution functions conditioned on the gust amplitude of 1.5σ and mean wind speed of 13 m/s (Weibull scale)
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Distribution of the gust response fitted with different distribution functions conditioned on mean wind speed of 13 m/s (Weibull scale)
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Variation of the 99 percentile of the Weibull distribution for different simulation numbers
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Variation of the distribution parameter k of the Weibull distribution for different simulation numbers
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Variation of the distribution parameter m2 of the Weibull distribution for different simulation numbers
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Variation of the distribution parameter m1 of the Weibull distribution for different simulation numbers
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Long-term distribution of the gust response distribution function for different periods
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Weibull fit of the conditional distributions of the gust response for different gust amplitudes at a mean wind speed of 14 m/s
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Weibull fit of the conditional distributions of the gust response for different gust amplitudes at a mean wind speed of 13 m/s
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An example of a spatial gust

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