Influence of Sedimentation on Hydroelectric Power Generation: Case Study of a Brazilian Reservoir
Publication: Journal of Energy Engineering
Volume 141, Issue 3
Abstract
Many reservoirs of hydroelectric power plants currently operate with outdated data due to the continuous sedimentation process. This fact demands management and operation policies for these reservoirs based on data different from those actually found. This paper presents a case study of Três Irmãos Reservoir (in São Paulo state, Brazil), where a bathymetric survey was conducted in 2008. From the comparison of the data obtained in the survey and data from 1975 (provided by the power supplier), it was possible to estimate the reservoir losses of total, active, and inactive capacities. From the observation of changes in the reservoir’s operational data, a simulation of the power plant and the reservoir operation was conducted using MODSIM/AcquaNet software to analyze the interference of the reservoir sedimentation with the generation of electricity.
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Acknowledgments
The authors would like to acknowledge the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) and the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) for the financial support provided to this research.
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Published In
Journal of Energy Engineering
Volume 141 • Issue 3 • September 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Oct 2, 2013
Accepted: Jan 14, 2014
Published online: Mar 19, 2014
Discussion open until: Aug 19, 2014
Published in print: Sep 1, 2015
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