SR7  Energia Eólica, Solar e Nuclear    Titulo: INCREMENT OF ENERGY AND POTENCY THROUGH MOTORIZATION AND INSTALLATION OF HYDROPOWER BELONGING TO SAME CASCADE   Resumo : THE INSTITUTIONAL TRENDS OF THE BRAZILIAN ELECTRIC SECTOR, THE GROWING DEMAND AND THE VALUE OF THE TARIFFS TO THE INTERNATIONAL LEVELS HAVE BEEN ALLOWING TO SMALL HYDROPOWER PLANTS BE STUDIED UNDER A NEW FOCUS. THE PRIVATE COMPANIES HAVE A GOOD OPTION TO INVEST IN, BECAUSE OF THE SMALLER ABSOLUTE COSTS OF INSTALLATION AND THE QUICK RETURN OF THE INVESTMENT. NOW, THE UNINTERESTING HYDROELECTRIC USES CAN OBTAIN A REASONABLE FINANCIAL RETURN UNDER THIS NEW SIGHT. THE RIVER CAN RECEIVE A LARGER NUMBER OF POWER PLANTS IN CASCADE, GETTING A BEST SETTING OF FLOW, ALTHOUGH THE OPERATION OF THEM MAY BECOME MORE DIFFICULTY. SO IT’S IMPORTANT TO MAKE AN OPERATION PLAN FOR THE CASCADE IN ORDER TO OPTIMIZE THE SYSTEM CONSIDERING THE BENEFITS AND THE COSTS OF THIS OPERATION PLAN. IT’S PRESENTED A METHODOLOGY TO STUDY THE PLANTS OPERATING IN CASCADE IN ORDER TO OPTIMIZE THE COST-BENEFIT RELATION. THEN, IT’S PRESENTED A STUDY WHERE IS DISCUSSED THE RESULTS OF THIS METHODOLOGY.     Autores : Macedo, Aalberto Amarante Martinez, Carlos Barreira Santos, Robson S. F. dos     Trabalho Completo :   COBEM99 | Comissão  Organizadora | Palestras | Sessões Técnicas | Autor | Simpósios e Sessões Especiais | Revisores |  Título  dos  Trabalhos | Local