Power Fluctuations From Large Wind Farms

This paper deals with power fluctuations from wind farms. The time range in focus is between one minute and up to a couple of hours. In this time range, substantial power fluctuations have been observed during unstable weather conditions. A wind power fluctuation model is described, and measured tim...

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Bibliographic Details
Published in:IEEE transactions on power systems 2007-08, Vol.22 (3), p.958-965
Main Authors: Sorensen, P., Cutululis, N.A., Vigueras-Rodriguez, A., Jensen, L.E., Hjerrild, J., Donovan, M.H., Madsen, H.
Format: Article
Language:English
Subjects:
Computer simulation
Economic forecasting
Fluctuation
Fluctuations
Frequency
Frequency control
Horns
Mathematical models
Offshore structures
power control
Power generation
Reserves
spectral analysis
Time series
Wind energy
Wind energy generation
Wind farms
Wind forecasting
Wind power generation
Wind turbines
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Description
Summary:This paper deals with power fluctuations from wind farms. The time range in focus is between one minute and up to a couple of hours. In this time range, substantial power fluctuations have been observed during unstable weather conditions. A wind power fluctuation model is described, and measured time series from the first large offshore wind farm, Horns Rev in Denmark, are compared to simulated time series. The comparison between measured and simulated time series focuses on the ramping characteristics of the wind farm at different power levels and on the need for system generation reserves due to the fluctuations. The comparison shows a reasonable agreement between simulations and measurements, although there is still room for improvement of the simulation model.
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2007.901615