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A Novel Metric for Assessing Wind and Solar Power Complementarity Based on Three Different Fluctuation States and Corresponding Fluctuation Amplitudes by Guorui Ren; Wei Wang; Jie Wan; Feng Hong; Ke Yang is a Engineering article available to read on EtoBox.

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Assessing complementarity is a foundational work to combine wind and solar power to mitigate their fluctuations. Correlation coefficient is the most commonly used index to assess complementarity. But correlation coefficient mainly quantifies the synchronous and reverse correlations between wind and solar power. Moreover, it ignores the fluctuation amplitudes of wind and solar power, which would misestimate the complementarity. To address the issue, a novel complementarity index is proposed considering both the fluctuation states and corresponding fluctuation amplitudes. The present study firstly divides the fluctuations of wind and solar power into synchronous, reverse, and discrepancy fluctuation states. Then the degrees of the three different fluctuation states are obtained according to the score rules considering the fluctuation amplitudes. Finally, the novel complementarity index is jointly determined by these fluctuation degrees. Validation results show that the proposed index successfully avoids the misestimation scenarios caused by using correlation coefficient to assess complementarity. Then the proposed index is applied to analyze the complementarity of wind and solar powe

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Author

Guorui Ren; Wei Wang; Jie Wan; Feng Hong; Ke Yang

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)