Modelo de simulação para a otimização do pré-despacho de uma usina hidrelétrica de grande porte

Abstract

This final paper presents a simulator to optimize the daily dispatch of a hydroelectric plant employing specific processing modeling variables that affect the energy generation, providing ways to find losses minimization. The planning horizons of the electro operation in Brazil are defined, from the long term to the daily dispatch of electro-operation, as well as government agencies that carry out activities in the brazilian electricity sector. Subsequently, the results of the researched literature on the area, written by several authors, are presents, to compare opinions and survey methodologies that have been studied in this field over the past years. It is also necessary to address the hydrology data, and information for analyzing electro energetic losses that occur in the process of power generation. The characteristics of the studied power plant are presented, and also, the developed algorithm for the simulator in order to obtain the curvatures of generation, variation in the level of the reservoir, productivity and losses for four typical days of the historical operation of the power plant. Finally, considerations for daily dispatch activity are defined and analyzed, yielding options for changing the presented generation programs, tracking down better operating points for the generators and the power plant itself.