Abstract
This paper presents the development of a Decision Support System (DSS) for the operational planning of large-scale hydrothermal systems formed by a series of hydroelectric and thermoelectric power plants, operated for the production and service demands for energy. Other sources of energy production, the expansion of the system, water transfers, multiple uses of water and environmental constraints are also considered. The DSS integrates a database with information of the hydrothermal system, a graphical interface to facilitate the editing of the data and display the results and the simulation and optimization models. The models of the called DSS HIDROTERM are based on the non-linear programming (NLP). In several applications made with the DSS with data for the Brazilian Hydrothermal System, formed by 4 subsystems and 128 active hydroelectric plants, very satisfactory results were obtained demonstrating various advances in relation to the model SISOPT from Barros et al. (2003), with emphasis on the processing speed, the size of systems to which the model can be applied and in a much more complete representation of the hydrothermal system. In addition to the planning of the operation of the hydrothermal system, the DSS can be applied also to the existing system diagnoses, analyses the impact of changes in operating rules and of multiple uses of water, planning and evaluation of expansion alternatives. Palavras-chave: Sistemas Hidroenergeticos, Reservatorios (Operacao), Programacao Nao Linear. 1) Pesquisador e Doutorando, EPUSP, Av. Prof. Almeida Prado, 271, 05508-900, Sao Paulo-SP. E-mail rczambon@usp.br 2) Professor Titular, EPUSP, Av. Prof. Almeida Prado, 271, 05508-900, Sao Paulo-SP. E-mail mtbarros@usp.br
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