Optimization of Large-Scale Hydrothermal System Operation


Autoria(s): Zambon, Renato Carlos; Barros, Mario Thadeu Leme de; Lopes, João Eduardo Gonçalves; Barbosa, Paulo Sérgio Franco; Francato, Alberto Luiz; Yeh, William W. -G.
Contribuinte(s)

UNIVERSIDADE DE SÃO PAULO

Data(s)

01/11/2013

01/11/2013

2012

Resumo

This paper presents the development of a mathematical model to optimize the management and operation of the Brazilian hydrothermal system. The system consists of a large set of individual hydropower plants and a set of aggregated thermal plants. The energy generated in the system is interconnected by a transmission network so it can be transmitted to centers of consumption throughout the country. The optimization model offered is capable of handling different types of constraints, such as interbasin water transfers, water supply for various purposes, and environmental requirements. Its overall objective is to produce energy to meet the country's demand at a minimum cost. Called HIDROTERM, the model integrates a database with basic hydrological and technical information to run the optimization model, and provides an interface to manage the input and output data. The optimization model uses the General Algebraic Modeling System (GAMS) package and can invoke different linear as well as nonlinear programming solvers. The optimization model was applied to the Brazilian hydrothermal system, one of the largest in the world. The system is divided into four subsystems with 127 active hydropower plants. Preliminary results under different scenarios of inflow, demand, and installed capacity demonstrate the efficiency and utility of the model. From this and other case studies in Brazil, the results indicate that the methodology developed is suitable to different applications, such as planning operation, capacity expansion, and operational rule studies, and trade-off analysis among multiple water users. DOI: 10.1061/(ASCE)WR.1943-5452.0000149. (C) 2012 American Society of Civil Engineers.

FAPESP (Fundacao de Amparo a Pesquisa do Estado de Sao Paulo), Brazil [2008/58508-1]

Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP), Brazil

Identificador

JOURNAL OF WATER RESOURCES PLANNING AND MANAGEMENT-ASCE, RESTON, v. 138, n. 2, supl. 1, Part 3, pp. 135-143, MAR-APR, 2012

0733-9496

http://www.producao.usp.br/handle/BDPI/37591

10.1061/(ASCE)WR.1943-5452.0000149

http://dx.doi.org/10.1061/(ASCE)WR.1943-5452.0000149

Idioma(s)

eng

Publicador

ASCE-AMER SOC CIVIL ENGINEERS

RESTON

Relação

JOURNAL OF WATER RESOURCES PLANNING AND MANAGEMENT-ASCE

Direitos

closedAccess

Copyright ASCE-AMER SOC CIVIL ENGINEERS

Palavras-Chave #HYDROTHERMAL #HYDROPOWER #OPTIMIZATION #NONLINEAR PROGRAMMING #RESERVOIR OPERATION #MULTIPLE OBJECTIVE ANALYSIS #POWER-FLOW LITERATURE #RESERVOIR-SYSTEM #MANAGEMENT #MODELS #ENGINEERING, CIVIL #WATER RESOURCES
Tipo

article

original article

publishedVersion