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Wind Energy Science The interactive open-access journal of the European Academy of Wind Energy
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WES | Articles | Volume 4, issue 3
Wind Energ. Sci., 4, 385–396, 2019
https://doi.org/10.5194/wes-4-385-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Wind Energ. Sci., 4, 385–396, 2019
https://doi.org/10.5194/wes-4-385-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research articles 09 Jul 2019

Research articles | 09 Jul 2019

Detection and characterization of extreme wind speed ramps

Ásta Hannesdóttir and Mark Kelly
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Cited articles  
Arnqvist, J., Segalini, A., Dellwik, E., and Bergström, H.: Wind Statistics from a Forested Landscape, Bound.-Lay. Meteorol., 156, 53–71, https://doi.org/10.1007/s10546-015-0016-x, 2015. a
Bak, C., Zahle, F., Bitsche, R., Kim, T., Yde, A., Henriksen, L. C., Natarajan, A., and Hansen, M.: Description of the DTU 10 MW Reference Wind Turbine, Tech. rep., DTU Wind Energy, Roskilde, Denmark, 2013. a
Barthlott, C., Drobinski, P., Fesquet, C., Dubos, T., and Pietras, C.: Long-term study of coherent structures in the atmospheric surface layer, Bound.-Lay. Meteorol., 125, 1–24, https://doi.org/10.1007/s10546-007-9190-9, 2007. a
Belušić, D. and Mahrt, L.: Is geometry more universal than physics in atmospheric boundary layer flow?, J. Geophys. Res.-Atmos., 117, 1–10, https://doi.org/10.1029/2011JD016987, 2012. a
Bierbooms, W.: Investigation of spatial gusts with extreme rise time on the extreme loads of pitch-regulated wind turbines, Wind Energy, 8, 17–34, https://doi.org/10.1002/we.139, 2005. a
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The wind turbine safety standard includes a coherent gust model with a wind speed increase and direction change of 10 s. With the increasing rotor size of modern wind turbines this model is criticized for being uniform across these large rotors. In this study we investigate measurements of coherent gusts with a ramp-like increase in wind speed. We define a new method for ramp detection and characterization and compare it with the coherent gust model from the wind turbine safety standard.
The wind turbine safety standard includes a coherent gust model with a wind speed increase and...
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