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An improved mixed distribution for estimating the wind potential in China

An improved mixed distribution for estimating the wind potential in China This work uses the previously developed mixed distribution, however, with added a parameter and function. We introduce the improved mixed distribution model as an alternative wind speed distribution, which combines three distributions. Four extreme value distributions are considered to model mixed distribution, improved mixed distribution, and estimate wind speed. The efficiency of univariate, mixed, and improved mixed distributions on actual wind speed data from China’s diverse regions is estimated. Using the minimal standard error of fit (SEF) test, 65.5% of samples are better suitable for the improved mixed distribution. The best model’s return period is also calculated. Moreover, the addition of another parameter and function in mixed distributions has improved the results. This statistical analysis concluded that improved mixed distributions are more suitable and accurate for assessing wind speed data. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Wind Engineering SAGE

An improved mixed distribution for estimating the wind potential in China

Wind Engineering , Volume 46 (6): 17 – Dec 1, 2022

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References (41)

Publisher
SAGE
Copyright
© The Author(s) 2022
ISSN
0309-524X
eISSN
2048-402X
DOI
10.1177/0309524x221102967
Publisher site
See Article on Publisher Site

Abstract

This work uses the previously developed mixed distribution, however, with added a parameter and function. We introduce the improved mixed distribution model as an alternative wind speed distribution, which combines three distributions. Four extreme value distributions are considered to model mixed distribution, improved mixed distribution, and estimate wind speed. The efficiency of univariate, mixed, and improved mixed distributions on actual wind speed data from China’s diverse regions is estimated. Using the minimal standard error of fit (SEF) test, 65.5% of samples are better suitable for the improved mixed distribution. The best model’s return period is also calculated. Moreover, the addition of another parameter and function in mixed distributions has improved the results. This statistical analysis concluded that improved mixed distributions are more suitable and accurate for assessing wind speed data.

Journal

Wind EngineeringSAGE

Published: Dec 1, 2022

Keywords: China; extreme value distributions; mixed distribution; parameter estimation; wind speed; wind energy

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