Preprint Article Version 1 This version is not peer-reviewed

Optimal Network Reconfiguration in Active Distribution Networks with Soft Open Points and Distributed Generation

Version 1 : Received: 28 September 2019 / Approved: 30 September 2019 / Online: 30 September 2019 (04:58:28 CEST)

How to cite: Diaaeldin, I.M.; Abdel Aleem, S.H.E..; El-Rafei, A.; Abdelaziz, A.Y.; Zobaa, A.F. Optimal Network Reconfiguration in Active Distribution Networks with Soft Open Points and Distributed Generation. Preprints 2019, 2019090339 (doi: 10.20944/preprints201909.0339.v1). Diaaeldin, I.M.; Abdel Aleem, S.H.E..; El-Rafei, A.; Abdelaziz, A.Y.; Zobaa, A.F. Optimal Network Reconfiguration in Active Distribution Networks with Soft Open Points and Distributed Generation. Preprints 2019, 2019090339 (doi: 10.20944/preprints201909.0339.v1).

Abstract

In this paper, a recent meta-heuristic optimization algorithm called the discrete-continuous hyper-spherical search algorithm is used to solve the mixed-integer nonlinear problem of soft open points (SOPs) and renewable distributed generators allocation along with new network reconfiguration methodology under different loading conditions to minimize the total power loss in balanced distribution systems. Multi-scenario studies, which aim to improve the investigation of the overall performance of the strategies, are conducted on IEEE 33-node and 83-node balanced distribution systems. The contributions of SOP losses to the total active losses, as well as the effect of increasing the number of SOPs connected to the system, are investigated to determine the real benefits gained from their allocation. The results obtained validate, with proper justifications, the effectiveness of allocating both SOPs and renewable distributed generators with the proposed network reconfiguration methodology to provide the best operation of distribution networks with minimum losses and enhanced power quality performance. It was also shown that SOPs successfully assist the growing integration plans of the renewable distributed generators units and can address issues related to voltage violations and network losses efficiently.

Subject Areas

distributed generator; load balancing; network reconfiguration; optimization; power loss minimization; soft open points

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