A conditional model of wind power forecast errors and its application in scenario generation

Zhiwen Wang, Chen Shen and Feng Liu

Applied Energy, 2018, vol. 212, issue C, 785 pages

Abstract: In power system operation, characterizing the stochastic nature of wind power is an important albeit challenging issue. It is well known that distributions of wind power forecast errors often exhibit significant variability with respect to different forecast values. Therefore, appropriate probabilistic models that can provide accurate information for conditional forecast error distributions are of great need. On the basis of Gaussian mixture model, this paper constructs analytical conditional distributions of forecast errors for multiple wind farms with respect to different forecast values. The accuracy of the proposed probabilistic models is verified by using historical data. Thereafter, a sampling method is proposed to generate scenarios from the conditional distributions which are non-Gaussian and interdependent. The efficiency of the proposed sampling method is verified.

Keywords: Conditional distribution; Gaussian mixture model; Scenario generation; Wind power (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (24)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:212:y:2018:i:c:p:771-785

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DOI: 10.1016/j.apenergy.2017.12.039

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