Effects of wind power spectrum analysis over resource assessment

C.A. Lopez-Villalobos, O. Rodriguez-Hernandez, O. Martínez-Alvarado and J.G. Hernandez-Yepes

Renewable Energy, 2021, vol. 167, issue C, 761-773

Abstract: Based on the Van der Hoven’s seminal work, wind power industry has adopted the 10 min mean time as the proper sampling to estimate resource assessment. However, research within the literature questions the generalization of the 10 min as a standard measure of minima dispersion due to the particular geographic characteristics where the measurements took place. In this work is analyzed the power spectrum of a high-frequency wind speed time series and its influence over the resource assessment in the region of La Ventosa, Oaxaca, Mexico. Power spectrum analysis from a monthly, seasonal, and annual time series results show a defined synoptic-scale, diurnal, and semi-diurnal variations, which changes in amplitude throughout the year. To study the influence of power spectrum in wind resource assessment were estimated and compared the capacity factors of a typical 2 MW wind turbine against measured wind speed with 1, 5, 10, 60, and 360 min mean times, we found that a maximum difference of 1.4 %. Resource assessment was also estimated using reanalysis data and WRF results, finding similar to high-resolution estimations, highlighting bias-corrected WRF performance, offering reliable results to model power performance after a statistical correction.

Keywords: Wind resource assessment; Wind power spectrum; WRF; MERRA-2; ERA5 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:167:y:2021:i:c:p:761-773

DOI: 10.1016/j.renene.2020.11.147

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