alexa Modified Differential Evolution Algorithm for Economic
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
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Research Article

Modified Differential Evolution Algorithm for Economic Load Dispatch Problem with Valve- Point Effects

Department of Electrical Engineering, Tanjungpura University, Pontianak, Indonesia1
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This paper presents a new approach for solving of the economic load dispatch (ELD) problem with valve-point effects using a modified differential evolution (MDE) algorithm. The practical ELD problems have nonsmooth cost function with equality and inequality constraints, which make the problem of finding the global optimum difficult when using any mathematical approaches. The modifications of improved DE by considering the following factors: (1) the scaling factor F, (2) selection scheme, (3) an auxiliary set, and (4) treatment of constraints. To demonstrate the effectiveness of the proposed approach, the numerical studies have been performed for two different test systems, i.e. six and fifteen generating unit systems, respectively. The results shows that performance of the proposed approach reveal the efficiently and robustness when compared results of other optimization algorithms reported in literature.


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