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Wind power forecasting error distributions over multiple timescales : preprint / Bri-Mathias Hodge and Michael Milligan.
- Format:
- Book
- Government document
- Author/Creator:
- Hodge, Bri-Mathias
- Series:
- Conference paper (National Renewable Energy Laboratory (U.S.)) ; 5500-50614.
- NREL/CP ; 5500-50614
- Language:
- English
- Subjects (All):
- Wind power--Mathematical models.
- Wind power.
- Interconnected electric utility systems--Research.
- Interconnected electric utility systems.
- Wind forecasting--Texas.
- Wind forecasting.
- Stochastic analysis.
- Error analysis (Mathematics).
- Texas.
- Genre:
- technical reports.
- Technical reports
- Technical reports.
- Physical Description:
- 1 online resource (8 pages) : illustrations (some color).
- Place of Publication:
- [Golden, CO] : National Renewable Energy Laboratory, [2011]
- Summary:
- Wind forecasting is an important consideration in integrating large amounts of wind power into the electricity grid. The wind power forecast error distribution assumed can have a large impact on the confidence intervals produced in wind power forecasting. In this work we examine the shape of the persistence model error distribution for ten different wind plants in the Electric Reliability Council of Texas (ERCOT) system over multiple timescales. Comparisons are made between the experimental distribution shape and that of the normal distribution. The shape of the distribution is found to change significantly with the length of the forecasting timescale. The Cauchy distribution is proposed as a model distribution for the forecast errors and model parameters are fitted. Finally, the differences in confidence intervals obtained using the Cauchy distribution and the normal distribution are compared.
- Notes:
- Title from title screen (viewed April 18, 2011).
- "March 2011."
- "To be presented at the Power & Energy Society General Meeting, Detroit, Michigan, July 24-29, 2011."
- Includes bibliographical references (page 8).
- OCLC:
- 713068032
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