Short-Term Power Fluctuation of Wind Turbines: Analyzing Data from the German 250-MW Measurement Program from the Ancillary Services Viewpoint

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Short-term power fluctuations from wind farms may affect interconnected-grid operating costs and stability. With the increasing availability of wind power worldwide, this has become a concern for some utilities. Under electric industry restructuring in the United States, the impact of these fluctuations will be evaluated by examining provisions and costs of ancillary services for wind power. However, the magnitude of the impact and the effect of aggregation of multiple turbines are not well quantified due to a lack of actual wind farm power data. This paper analyzes individual turbine and aggregate power output data from the German ''250-MW Wind'' data ... continued below

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Ernst, B. (Institut fur Solare Energieversorgungstechnik); Wan, Y.-H. (National Renewable Energy Laboratory) & Kirby, B. (Oak Ridge National Laboratory) July 26, 1999.

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Short-term power fluctuations from wind farms may affect interconnected-grid operating costs and stability. With the increasing availability of wind power worldwide, this has become a concern for some utilities. Under electric industry restructuring in the United States, the impact of these fluctuations will be evaluated by examining provisions and costs of ancillary services for wind power. However, the magnitude of the impact and the effect of aggregation of multiple turbines are not well quantified due to a lack of actual wind farm power data. This paper analyzes individual turbine and aggregate power output data from the German ''250-MW Wind'' data project. Electric system load following and regulation impacts are examined as a function of the number of turbines and turbine spacing in order to quantify the impacts of aggregation. The results show a significant decrease in the relative system regulation burden with increasing number of turbines, even if the turbines are in close proximity.

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  • Presented at the Windpower '99 Conference, Burlington, VT (US), 06/20/1999--06/23/1999

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  • Other: DE00009826
  • Report No.: NREL/CP-500-26722
  • Grant Number: AC36-99GO10337
  • Office of Scientific & Technical Information Report Number: 9826
  • Archival Resource Key: ark:/67531/metadc791544

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  • July 26, 1999

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  • Dec. 19, 2015, 7:14 p.m.

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  • March 31, 2016, 7:12 p.m.

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Ernst, B. (Institut fur Solare Energieversorgungstechnik); Wan, Y.-H. (National Renewable Energy Laboratory) & Kirby, B. (Oak Ridge National Laboratory). Short-Term Power Fluctuation of Wind Turbines: Analyzing Data from the German 250-MW Measurement Program from the Ancillary Services Viewpoint, article, July 26, 1999; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc791544/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.