Mixed-Integer Formulation of Unit Commitment problem for power systems: Focus on start-up cost
Journal article, Peer reviewed
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OriginalversjonIEEE Industrial Electronics Society. Annual Conference. Proceedings 2013:8160-8165 10.1109/IECON.2013.6700498
In this work, the Mixed-Integer (MIP) formulation for unit commitment problem (UC) for power systems is discussed. A new formulation for the start-up cost is suggested as well. This new formulation of the start-up cost exploits the transformation of the conditional statements into inequalities that comprise linear combination of binary variables. Solutions of the suggested optimization problem were obtained. A comparison between these solutions and those of a strategy common in literature is held to show that the new strategy gives same results with less number of constraints and tighter capture of the startup cost.