Influência da troca de anemômetro na medição da velocidade do vento e na estimativa de produção de energia em aerogeradores : um estudo de regressão

Abstract

This study investigated the effect of anemometers with overestimated readings on the analysis of wind turbine power curves. A comparison was made between data collected before and after the replacement of a faulty anemometer that recorded wind speeds above the actual values, aiming to understand the impact of this replacement on the estimation of Annual Energy Production (AEP) of the turbines. The research involved the analysis of two datasets: one before and one after the anemometer replacement. Regression analysis was applied to examine the relationship between wind speed and power generated by the turbines. Following the replacement of the faulty anemometer, there was a significant change in the power curve of the turbines. The data indicated that the previous anemometer, with overestimated readings, negatively impacted the accuracy of the power curve, resulting in an underestimation of the actual performance of the turbines. This study highlights the crucial importance of accuracy in wind speed measurements, especially when faulty anemometers can generate excessively high readings. The replacement of the faulty anemometer revealed a substantial impact on the power curve, emphasizing the need for reliable measuring equipment to ensure accurate estimations of the AEP of wind turbines.