Multiobjective planning of distribution networks incorporating switches and protective devices using a memetic optimization

A. Vieira Pombo, Murta-Pina, João and Pires, V. Fernão

Reliability Engineering and System Safety, 2015, vol. 136, issue C, 101-108

Abstract: A multi-objective planning approach for the reliability of electric distribution networks using a memetic optimization is presented. In this reliability optimization, the type of the equipment (switches or reclosers) and their location are optimized. The multiple objectives considered to find the optimal values for these planning variables are the minimization of the total equipment cost and at the same time the minimization of two distribution network reliability indexes. The reliability indexes are the system average interruption frequency index (SAIFI) and system average interruption duration index (SAIDI). To solve this problem a memetic evolutionary algorithm is proposed, which combines the Non-Dominated Sorting Genetic Algorithm II (NSGA-II) with a local search algorithm. The obtained Pareto-optimal front contains solutions of different trade-offs with respect to the three objectives. A real distribution network is used to test the proposed algorithm. The obtained results show that this approach allows the utility to obtain the optimal type and location of the equipments to achieve the best reliability with the lower cost.

Keywords: Distribution networks planning; Multiobjective optimization; Switches; Protective devices; Memetic algorithm (search for similar items in EconPapers)
Date: 2015
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:136:y:2015:i:c:p:101-108

DOI: 10.1016/j.ress.2014.11.016

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