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A tool for real time analysis of parallelism of distribution networks

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7 Author(s)
Pfitscher, L.L. ; Fed. Univ. of Santa Maria, Alegrete, Brazil ; Bernardon, D.P. ; Canha, L.N. ; Montagner, V.F.
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The parallelism of distribution networks can be used to transfer loads between feeders without the need of disconnection of consumers during the switching. In the context of the Smart Grids, the parallelism of feeders can be used in automatic reconfiguration of networks for the improvement of power quality and voltage levels, and reduction of energy losses. However, the switching for parallelism must be preceded by studies to verify their technical and operational feasibility. This paper presents a study that discusses aspects of loading, protection, and voltage levels related to parallelism of networks, in transient and steady-state analysis. The validation of the developed methodology was carried out by comparison of simulation results with the ATP program. The study aims to be suitable for real-time application in reconfiguration of distribution networks. Integration with remote controlled switches, so that the network reconfiguration can be done automatically, is one of the differentials of the work. The tests here presented are made in a real model of a distribution network of a power utility. The developed algorithm has as main result a reliable indication of the technical feasibility of connecting feeders in parallel.

Published in:

Industry Applications (INDUSCON), 2012 10th IEEE/IAS International Conference on

Date of Conference:

5-7 Nov. 2012

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