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A Genetic Algorithm Based Approach for Solving Optimal Power Flow Problem

The objective of this paper is to evolve simple and effective methods for the optimal power flow (OPF) problem in thermal units, which are capable of obtaining optimal power generations for a large-scale system. In optimization, GA has some well-known advantages and disadvantages. The classical (derivative based) method is applied as economic dispatch problem with transmission capacity constraints in literature. In this study, a similar investigation for economic dispatch is considered using simple Genetic Algorithm. The performance of results obtained with both of the methods is nearly same but from the viewpoint of calculation time GA is much superior and its effectiveness increases as the constraints of the problem are increased.