The National Renewable Energy Laboratory (NREL) started a project in 2000 to record long-term, high-frequency (1-Hz) wind power data from large commercial wind power plants in the Midwestern United States. Outputs from about 330 MW of installed wind generating capacity from wind power plants in Lake Benton, MN, and Storm Lake, Iowa, are being recorded. Analysis of the collected data shows that although very short-term wind power fluctuations are stochastic, the persistent nature of wind and the large number of turbines in a wind power plant tend to limit the magnitude of fluctuations and rate of change in wind power production. Analyses of power data confirms that spatial separation of turbines greatly reduces variations in their combined wind power output when compared to the output of a single wind power plant. Data show that high-frequency variations of wind power from two wind power plants 200 km apart are independent of each other, but low-frequency power changes can be highly correlated. This fact suggests that time-synchronized power data and meteorological data can aid in the development of statistical models for wind power forecasting.
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November 2003
Technical Papers
Output Power Correlation Between Adjacent Wind Power Plants*
Brian Parsons
e-mail: brian_parsons@nrel.gov
Brian Parsons
National Renewable Energy Laboratory, 1617 Cole Boulevard, Golden, CO 80401, USA
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Brian Parsons
National Renewable Energy Laboratory, 1617 Cole Boulevard, Golden, CO 80401, USA
e-mail: brian_parsons@nrel.gov
Contributed by the OOAE Division for publication in the JOURNAL OF SOLAR ENERGY ENGINEERING. Manuscript received February 24, 2003; final revision July 15, 2003. Associate Editor: D. Berg.
J. Sol. Energy Eng. Nov 2003, 125(4): 551-555 (5 pages)
Published Online: November 26, 2003
Article history
Received:
February 24, 2003
Revised:
July 15, 2003
Online:
November 26, 2003
Citation
Wan, Y., Milligan, M., and Parsons, B. (November 26, 2003). "Output Power Correlation Between Adjacent Wind Power Plants." ASME. J. Sol. Energy Eng. November 2003; 125(4): 551–555. https://doi.org/10.1115/1.1626127
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