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Mixed-integer programming applied to short-term planning of a hydro-thermal system

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2 Author(s)
O. Nilsson ; Dept. of Electr. Power Syst., R. Inst. of Technol., Stockholm, Sweden ; D. Sjelvgren

In this paper a mixed-integer hydroelectric power model for short-term planning is presented. The advantage of this model is that the schedules only include points with good efficiency. The planning problem is decomposed into a subproblem for each hydro plant. In order to get smooth schedules the model includes start-up costs for hydro aggregates. The main mathematical methods used in this work are Lagrange relaxation, dynamic programming and network programming. The model is illustrated by a numerical example from a part of the Swedish power system

Published in:

IEEE Transactions on Power Systems  (Volume:11 ,  Issue: 1 )