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Grey Wolf Optimization, Economic Dispatch, Multiple fuels, Valve-point loading, Transmission Losses
This paper bestows the newly developed Grey Wolf Optimization (GWO) method to solve the Economic Dispatch (ED) problem with multiple fuels. The GWO method imitates the superiority ranking and feeding mechanism of grey wolves in nature. For simulating the superiority ranking follows as alpha, beta, omega and delta. For feeding the prey grey wolves follows three steps, in the order of searching, encircling and attacking, are carry out to perform optimization. While searching for a better solution, GWO does not obligate any statistics about the gradient of the fitness function. The intention of ED is to curtail the fuel cost for any viable load demand and at the same time to determine the optimal power generation. The ED is modeled as a complex problem by considering multiple fuels, valve-point loading and transmission losses. The potency of the GWO method has been examined on ten units system with four different load demands by considering four different case studies. The result of the test systems shows, for practical power systems, that the GWO is a better option to solve the ED problems. Both the optimality of the solution to test system and the convergence speed of the GWO algorithm are promising.
Y. V. Krishna Reddy, M. Damodar Reddy, "Grey Wolf Optimization for Solving Economic Dispatch with Multiple Fuels and Valve Point Loading", International Journal of Information Engineering and Electronic Business(IJIEEB), Vol.11, No.1, pp. 50-57, 2019. DOI:10.5815/ijieeb.2019.01.06
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