Fitting wind speed distributions: A case study |
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| Authors: | A Garcia J L Torres E Prieto A de Francisco |
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| Affiliation: | aDpto de Proyectos e Ingenieria Rural, Universidad Publica de Navarra, Campus Arrosadia, 31006 Pamplona, Spain;bDpto de Ingenieria Agroforestal, Universidad Politecnica de Madrid, Ciudad Universitaria, 28040 Madrid, Spain |
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| Abstract: | The wind speed data represented in the form of frequency curves show the shape of a potential model. The Weibull and Lognormal models are used for this purpose, with hourly mean wind speed data. This study deals with the estimation of the annual Weibull and Lognormal parameters from 20 locations in Navarre. The suitability of both distributions is judged from the R2 coefficient with a linear regression for the Weibull distribution and a nonlinear regression for the Lognormal distribution. Both approaches give a good fit, giving better results for the Weibull distribution. A comparison between the estimation and the production for a wind farm is offered. |
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| Keywords: | Wind power Weibull distribution Regression analysis Data reduction Parameter estimation Mathematical models Lognormal models Linear regression models |
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