期刊
JOURNAL OF CLEANER PRODUCTION
卷 202, 期 -, 页码 273-292出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2018.08.129
关键词
Optimal operation management; Environmental/economic dispatch; Attraction and repulsion modified; imperialist competitive algorithm (AR-ICA); Microgrids
Optimal energy management of microgrids with different objectives such as operation cost, air pollution and wider use of renewable energy sources is investigated in many research works. In this paper, the effect of different operation modes of microgrids to solve environmental/economic dispatch problem is evaluated. Different modes of operation of microgrid include islanding operation, grid-connected and unilateral or bilateral exchange of power with main grid. The imperialist competitive algorithm (ICA) is one of the evolutionary algorithms that can model the competing imperialists to absorb colonies and uses it to find optimum solution. In this paper, a new method to improve the ICA algorithm is proposed in which the movement radius of the colonies toward the imperialist is adaptively adjusted in accordance with their position by means of adding direction and velocity parameters to the colonies. Thus, the colonies are attracted and repelled more intelligently by imperialists. The proposed method can create a trade-off between exploitation (i.e. local search) and exploration (i.e. global search) and prevents premature convergence while minimizing trapping in the local minima. Simulation results and comparison with other algorithms confirm high performance of the proposed algorithm. (C) 2018 Elsevier Ltd. All rights reserved.
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