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Open AccessArticle

Optimal Reconfiguration of Distribution Networks Using Hybrid Heuristic-Genetic Algorithm

Department of Power Engineering, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Split 21000, Croatia
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Energies 2020, 13(7), 1544; https://doi.org/10.3390/en13071544 (registering DOI)
Received: 19 February 2020 / Revised: 15 March 2020 / Accepted: 23 March 2020 / Published: 26 March 2020
(This article belongs to the Special Issue Heuristic Optimization Techniques Applied to Power Systems)
This paper describes the algorithm for optimal distribution network reconfiguration using the combination of a heuristic approach and genetic algorithms. Although similar approaches have been developed so far, they usually had issues with poor convergence rate and long computational time, and were often applicable only to the small scale distribution networks. Unlike these approaches, the algorithm described in this paper brings a number of uniqueness and improvements that allow its application to the distribution networks of real size with a high degree of topology complexity. The optimal distribution network reconfiguration is formulated for the two different objective functions: minimization of total power/energy losses and minimization of network loading index. In doing so, the algorithm maintains the radial structure of the distribution network through the entire process and assures the fulfilment of various physical and operational network constraints. With a few minor modifications in the heuristic part of the algorithm, it can be adapted to the problem of determining the distribution network optimal structure in order to equalize the network voltage profile. The proposed algorithm was applied to a variety of standard distribution network test cases, and the results show the high quality and accuracy of the proposed approach, together with a remarkably short execution time. View Full-Text
Keywords: distribution network reconfiguration; energy losses minimization; load balancing; heuristic approach; genetic algorithm distribution network reconfiguration; energy losses minimization; load balancing; heuristic approach; genetic algorithm
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Jakus, D.; Čađenović, R.; Vasilj, J.; Sarajčev, P. Optimal Reconfiguration of Distribution Networks Using Hybrid Heuristic-Genetic Algorithm. Energies 2020, 13, 1544.

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