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Directional Search Genetic Algorithm Applications to Economic Dispatch of Thermal Units

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This paper proposes a novel directional search genetic algorithm (DSGA) for solving the Economic Dispatch (ED) problem with fixed boundary conditions. In this paper, a new population generation technique has been employed by using Lambda Limits updation technique. The incremental cost of the generating unit is taken as the decision variable. The feasibility of the proposed method is demonstrated for three different systems, and is compared with various methods available in literature. The proposed algorithm works well for both small- and large-scale generating units and it remarkably reduces the computation time, number of iterations taken to converge, and population size.

Keywords: Directional Search Genetic Algorithm (DSGA); Economic Dispatch (ED); Incremental cost; Lambda Limits updation technique; fixed boundary conditions

Document Type: Research Article


Affiliations: National Institute of Technology, Andhrapradesh, India

Publication date: July 1, 2008


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