Journal
ELECTRIC POWER SYSTEMS RESEARCH
Volume 95, Issue -, Pages 206-213Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.epsr.2012.09.002
Keywords
Artificial bee colony; Fuzzy logic; Optimal power flow; Power system optimization
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This paper presents a fuzzy based modified artificial bee colony (MABC) algorithm to solve discrete optimal power flow (OPF) problem that has both discrete and continuous variables considering valve point effects. The OPF problem is formulated as a multi-objective mixed-integer nonlinear problem, where optimal settings of the OPF control variables for simultaneous minimization of total fuel cost of thermal units, total emission, total real power losses, and voltage deviation are obtained. The proposed approach is applied to the OPF problem on IEEE 30-bus and IEEE 118-bus test systems. The performance and operation of the proposed approach is compared with the conventional methods. The simulation results verify the effectiveness of the proposed method. (c) 2012 Elsevier B.V. All rights reserved.
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