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Symbiotic organisms search algorithm for dynamic economic dispatch with valve-point effects
Authors:Yusuf Sonmez  M Kenan Dosoglu  Ugur Guvenc  Serhat Duman
Affiliation:1. Department of Electrical Technology, Gazi Vocational College, Gazi University, Ankara, Turkey;2. Department of Electrical and Electronics Engineering, Technology Faculty, Duzce University, Duzce, Turkey
Abstract:Abstract

In this study, symbiotic organisms search (SOS) algorithm is proposed to solve the dynamic economic dispatch with valve-point effects problem, which is one of the most important problems of the modern power system. Some practical constraints like valve-point effects, ramp rate limits and prohibited operating zones have been considered as solutions. Proposed algorithm was tested on five different test cases in 5 units, 10 units and 13 units systems. The obtained results have been compared with other well-known metaheuristic methods reported before. Results show that proposed algorithm has a good convergence and produces better results than other methods.
Keywords:Symbiotic organisms search algorithm  dynamic economic load dispatch  optimization  valve-point effect  prohibited operating zones  ramp-rate limits
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