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Non-uniform composite representation hydroelectric systems for long-term hydrothermal scheduling

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2 Author(s)
da Cruz, G., Jr. ; Fac. Electr. Eng., UNICAMP, Campinas,, Brazil ; Soares, S.

This paper presents a nonuniform composite representation of hydroelectric power systems for use in long-term hydrothermal generation scheduling. This representation was developed from reservoir operational rules based on optimal reservoir trajectories obtained with a deterministic hydrothermal scheduling algorithm. A test system consisting of 7 large hydroelectric power plants of the Southeast Brazilian power system with 12572 MW of installed power capacity was selected for a case study. Operational cost comparisons with the classical uniform composite representation reveal significant savings

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Power Systems, IEEE Transactions on  (Volume:11 ,  Issue: 2 )