Dynamic economic dispatch based on improve firefly optimization algorithm
2023 IEEE 6th International Electrical and Energy Conference (CIEEC)(2023)
摘要
In power systems, dynamic economic dispatch (DED) is one of the most significant non-linear problems showing nonconvex characteristic because of the valve-point effects. This paper firstly introduces the research status in this field. In then, an improve firefly algorithm (IFA) is proposed to solve the DED problem where the valve-point effects, ramp-rate limits and transmission power losses are considered. A mutation mechanism is introduced into the algorithm to improve the global search ability of the algorithm; A mechanism for dynamically adjusting the parameters according to the optimization process is designed, so the fireflies can search the space smartly for global optimum solution. Also, uses a dynamic tolerance mechanism to deal with equation constraints. The efficiency and feasibility of the proposed method is validated on three test systems.
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关键词
dynamic economic dispatch (DED),valve-point effects,firefly algorithm,ramp rate limit
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