Security Constrained Economic Environmental Dispatch through Fuzzy Based Gravitational Search Algorithm

The solution of nonlinear economic environmental load dispatch is to generate optimal amount of generating power from the fossil fuel based generating units in the system by minimizing the fuel cost and emission level simultaneously by satisfying all practical constraints. But, the objective of minimum cost of generation will not provide minimum pollution level and objective of minimum emission does not provide minimum cost of generation, which make both the objectives as non-commensurable and conflicting each other. Hence, they give rise to a set of optimal solutions instead of one optimal solution. The present situation demands to handle both objectives namely, economic dispatch and environmental emission as competing objectives and therefore, are to be solved simultaneously.

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