期刊
APPLIED SOFT COMPUTING
卷 47, 期 -, 页码 494-514出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.asoc.2016.06.022
关键词
Multi-objective optimization; Optimal power flow; MOEA/D; MOPSO; NSGA-II
资金
- National Natural Science Foundation of China [61403321]
- Natural Science Foundation of Guangdong Province, China [2014A030310003]
This study presents a modified multi-objective evolutionary algorithm based decomposition (MOEA/D) approach to solve the optimal power flow (OPF) problem with multiple and competing objectives. The multi-objective OPF considers the total fuel cost, the emissions, the power losses and the voltage magnitude deviations as the objective functions. In the proposed MOEA/D, a modified Tchebycheff decomposition method is introduced as the decomposition approach in order to obtain uniformly distributed Pareto-Optimal solutions on each objective space. In addition, an efficiency mixed constraint handling mechanism is introduced to enhance the feasibility of the final Pareto solutions obtained. The mechanism employs both repair strategy and penalty function to handle the various complex constraints of the MOOPF problem. Furthermore, a fuzzy membership approach to select the best compromise solution from the obtained Pareto-Optimal solutions is also integrated. The standard IEEE 30-bus test system with seven different cases is considered to verify the performance of the proposed approach. The obtained results are compared with those in the literatures and the comparisons confirm the effectiveness and the performance of the proposed algorithm. (C) 2016 Elsevier B.V. All rights reserved.
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