Abstract
This paper presents a novel optimization approach to constrained economic load dispatch (ELD) problems using gravitational search algorithm (GSA). Economic dispatch determines the electrical power to be generated by the committed generating units in a power system so that the generation cost to be minimized while satisfying the constraints. This paper presents a new algorithm based on law of gravity and mass interaction to solve economic load dispatch problem (ELD) by a new optimization algorithm called as Gravitational Search Algorithm (GSA) The simulation results reveal that the developed technique is easy to implement, converged with less execution time and highly optimal solution for economic dispatch with minimum generation cost can be achieved. Simulations results were performed over various systems with different number of generating units and comparisons are performed with other prevalent approaches. The findings affirmed the robustness, fast convergence and proficiency of proposed methodology over other existing technique.
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