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IJSTR >> Volume 6 - Issue 9, September 2017 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

An Effective Framework For Economic Dispatch Using Modified Harmony Search Algorithm

[Full Text]



Advik Kumar, Esmriti Batacharia, Raja Sadana



Probabilistic economic dispatch, Renewable energy harmony search (HS) algorithm, Point estimate method.



The effects of ever-increasing wind power generation for solving the economic dispatch (ED) problem have led to high penetration of renewable energy source in new power systems. Continuing search for better utilizing of wind turbine associated with thermal sources to find the optimal allocation of output power is necessary in which pro-vide more reliability and efficiency. Dynamic nature of wind energy has imposed uncertainties characteristics in the poser systems. To deal with this problem, an effective probabilistic method to investigate all unpredictability would be a good idea to make more realistic analysis. This paper presents a heuristics optimization method based on harmony search (HS) algorithm to solve non-convex ED problems while uncertainties effects caused by wind turbines are considered. To involve a realistic analysis as a more practical investigation, the proposed probabilistic ED (PED) approach includes prohibited operating zone (POZ), system spinning reserve, ramp rate limits, variety of fuel is considered in this studies. Point Estimate Method (PEM) as a proposed PED model the uncertainties of wind speed for wind turbines to present better realization to the problem. Optimal solution are presented for vari-ous test system, and these solutions demonstrate the benefits of our approach in terms of cost over existing ED techniques.



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