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Solving the deterministic unit commitment (UC) model may yield the optimal commitment for each unit for a certain condition of the power system. Changing the system condition due to a sudden change or uncertainties may render the obtained solution infeasible or inapplicable to the system under study. This paper presents a fuzzy model to handle uncertainties associated with the UC problem and introduces...
This paper raises an improved evolutionary programming (IEP) for solving the economic dispatch (ED) problem in power system. In the methodology, a simple evolutionary programming (EP) is used as a basic level search, which can give a good direction to the optimal global region. Then, a local search (LS) procedure is adopted as a fine tuning to determine the optimal solution. The proposed method has...
This Paper presents a Biogeography-Based Optimization (BBO) algorithm to solve Optimal Power Flow (OPF) problems OPF) problems of a power system with generators having quadratic fuel cost characteristics. Different operational constraints such as generator capacity limits, power balance constraint, line flow limits, bus voltages, transformer tap settings and reactive power compensating device settings...
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