Otimização dos custos de energia elétrica na programação do armazenamento e distribuição de água em redes urbanas / Minimization of the electrical energy cost in water distribution networks
AUTOR(ES)
Edilaine Martins Soler
DATA DE PUBLICAÇÃO
2008
RESUMO
The problem focused in this study consists of reducing the eletrical energy cost necessary to the operation of hydraulic pumps. The hydraulic pumps are used to catch water from artesians wells or Water Treatment Station to supply tanks which are located in districts in a city, from which the population will be supplied by gravitational force. As the cost of electrical energy varies along the day, a schedule of the pumps run is necessary to avoid that they are not turned in the periods when the energy cost is more expensive. The problem of water stock schedule in tanks (WSST) consists of deciding in which periods or parts of them of the horizon planning the hydraulic pumps have to put on, and in which periods or parts of them should transfer water among the tanks so that the demand of each tank is met for each period and lower and upper limits of water shouldnt be violated. A heuristic solution is proposed and analyzed by comparing its solutions with the solutions obtained by the branch and bound method. Computational experiments show the efficiency of the heuristic
ASSUNTO(S)
planejamento de reservatórios em sistemas de abastecimento urbano otimização linear inteira water caption scheduling in urban systems integer linear optimization
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