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An Intelligent Approach Based on Meta-Heuristic Algorithm for Non-Convex Economic Dispatch | ||
| Journal of Operation and Automation in Power Engineering | ||
| مقاله 4، دوره 3، شماره 1، شهریور 2015، صفحه 47-55 اصل مقاله (234.04 K) | ||
| نوع مقاله: Research paper | ||
| نویسندگان | ||
| R. Sedaghati* ؛ F. Namdari | ||
| Department of Electrical Engineering, Faulty of Engineering, Lorestan University, Khorram abad, Iran | ||
| چکیده | ||
| One of the significant strategies of the power systems is Economic Dispatch (ED) problem, which is defined as the optimal generation of power units to produce energy at the lowest cost by fulfilling the demand within several limits. The undeniable impacts of ramp rate limits, valve loading, prohibited operating zone, spinning reserve and multi-fuel option on the economic dispatch of practical power systems are scrutinized in this paper. Thus, the proposed nonlinear non-convex formulation is solved by a new modified version of bio-inspired bat algorithm. Due to the complexities associated with the large-scale optimization problem of economic dispatch, adaptive modifications are added to the original bat algorithm. The modification methods are applied at two separate stages and pledge augmentation in convergence rate of the algorithm as well as extricating the algorithm from local optima. Veracity of the proposed methodology are corroborated by performing simulations on three IEEE test systems. | ||
| کلیدواژهها | ||
| Non-convex economic dispatch؛ Modification mechanism؛ Meta-heuristic algorithm؛ Nonlinear constrained optimization | ||
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