1. Weibull Parameters Estimation Using Four Different Methods and Most Energy-Carrying Wind Speed Analysis
- Author
-
Mihalakakou Giouli, Luai M. Al-Hadhrami, Shafiqur Rehman, and H.S. Bagiorgas
- Subjects
Wind power ,Meteorology ,Renewable Energy, Sustainability and the Environment ,business.industry ,Linearity ,Wind speed ,Height above ground level ,Roughness length ,Wind profile power law ,Statistics ,business ,Scale parameter ,Weibull distribution ,Mathematics - Abstract
The study presents the analysis of wind speed data from seven stations in Saudi Arabia, measured at 20, 30, and 40 m height above ground level (AGL) over a period varying from 2 to 5 years. Specifically, Weibull parameters were calculated using five different methods, four of them based on the statistical analysis of the collected data and a fifth one based on WAsP algorithm used in WindoGrapher software. The calculated values using the five different methods were found to be in good agreement at all the measurement heights. The correlation between the monthly mean values of Weibull scale parameter and the measured wind speed values was found to be linear for all the sites. The linear coefficient ‘a’ was found to be site's characteristic value and independent of the height AGL for most of the locations. Moreover, linearity has been substantiated between the monthly mean wind power density (WPD) and the corresponding measured wind speed for all the stations, with linear coefficients ‘a’ directly proportion...
- Published
- 2011