Cup Anemometers’ Loss of Performance Due to Ageing Processes, and Its Effect on Annual Energy Production (AEP) Estimates

Santiago Pindado, Antonio Barrero-Gil and Alfredo Sanz
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Santiago Pindado: IDR/UPM, ETSIA, Universidad Politécnica de Madrid (Polytechnic University of Madrid), Pza. del Cardenal Cisneros 3, Madrid 28040, Spain
Antonio Barrero-Gil: Aerospace Propulsion and Fluid Mechanics Department, ETSIA, Universidad Politécnica de Madrid (Polytechnic University of Madrid), Pza. del Cardenal Cisneros 3, Madrid 28040, Spain
Alfredo Sanz: Department of Aerospace Materials and Production, ETSIA, Universidad Politécnica de Madrid (Polytechnic University of Madrid), Pza. del Cardenal Cisneros 3, Madrid 28040, Spain

Energies, 2012, vol. 5, issue 5, 1-22

Abstract: The deviation of calibration coefficients from five cup anemometer models over time was analyzed. The analysis was based on a series of laboratory calibrations between January 2001 and August 2010. The analysis was performed on two different groups of anemometers: (1) anemometers not used for any industrial purpose (that is, just stored); and (2) anemometers used in different industrial applications (mainly in the field—or outside—applications like wind farms). Results indicate a loss of performance of the studied anemometers over time. In the case of the unused anemometers the degradation shows a clear pattern. In the case of the anemometers used in the field, the data analyzed also suggest a loss of performance, yet the degradation does not show a clear trend. A recalibration schedule is proposed based on the observed performances variations.

Keywords: anemometer calibration; cup anemometer; MEASNET; Annual Energy Production (AEP); recalibration schedule; anemometer wear and tear; anemometer loss of performance (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2012
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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