A multi-objective optimization based model for the deployment of reclosers and remote-controlled switches using NSGA2 and entropy weighted TOPSIS method

Anass Lekbich, Abdelaziz Belfqih, Tayeb Ouaderhman, Chaimae Zedak, Jamal Boukherouaa, Faissal El Mariami

Abstract


Since they are fast, remote controlled, automated and intelligent, reclosers and switches are an inevitable solution for improving the reliability of intelligent electrical distribution networks at optimal cost. However, their location and coordination have great effects on the protection and automation strategies of complex electrical distribution networks against multiple unpredictable faults. Which requires a flexible and multi-criteria optimization method. In this article, we propose a multi-objective method based on an analytical model by considering the fault rate, restoration times, outage cost and coordination between devices. The non-dominated genetic sorting algorithm II was proposed to obtain the optimal Pareto solutions, and a technique of performance control by similarity with the ideal solution was used to classify them. The objective criteria weights are based on the entropy method which allows solutions to be obtained and better classified with the minimum of subjectivity. The IEEE33 and IEEE13 bus test networks were used to verify the method. The results obtained are compared to a binary multi-objective particle swarm optimization method and the results show that the proposed method reduces the overall costs, reduces the undelivered energy of the system and improves the reliability of the service.


Keywords


Reclosers; Remote controlled switches; Smart-grid; Electrical distribution networks; Reliability indices; SAIDI; SAIFI; Multi-objective optimization; NSGA-II; TOPSIS

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DOI: http://doi.org/10.11591/ijeecs.v20.i3.pp1128-1139

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