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A multiobjective approach to the short-term scheduling of a hydroelectric power system

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2 Author(s)
Lyra, C. ; Sch. of Electr. Eng., State Univ. of Campinas, Sao Paulo, Brazil ; Ferreira, L.R.M.

This paper is concerned with the short-term scheduling of the Iguacu river hydroelectric power system, in Southern Brazil. The system comprises four power plants with an unusual high coupling, held by two different utilities. Even though government regulations establishes operation guidelines, electric utilities have their own interests. A multiobjective framework is adopted to study the operation of the power system. Dynamic programming is used to find optimal solutions, with an implementation based on the concept of differential dynamic programming. A case study shows the possibility of obtaining energetic gains with the adoption of nonconventional operation rules and the need of negotiation to avoid wasting energy.

Published in:

Power Systems, IEEE Transactions on  (Volume:10 ,  Issue: 4 )

Date of Publication:

Nov. 1995

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