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Energies 2018, 11(12), 3351; https://doi.org/10.3390/en11123351

A New Hybrid Technique for Minimizing Power Losses in a Distribution System by Optimal Sizing and Siting of Distributed Generators with Network Reconfiguration

1
Electrical and Control Engineering Department, Arab Academy for Science, Technology, and Maritime Transport, Sheraton Al Matar, P.O.2033 Elhorria, Cairo 11311, Egypt
2
The Faculty of Engineering, Fayoum University, Al Fayoum, Faiyum 63514, Egypt
*
Author to whom correspondence should be addressed.
Received: 7 November 2018 / Revised: 24 November 2018 / Accepted: 26 November 2018 / Published: 30 November 2018
(This article belongs to the Section Electrical Power and Energy System)
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Abstract

Transformations are taking place within the distribution systems to cope with the congestions and reliability concerns. This paper presents a new technique to efficiently minimize power losses within the distribution system by optimally sizing and placing distributed generators (DGs) while considering network reconfiguration. The proposed technique is a hybridization of two metaheuristic-based algorithms: Grey Wolf Optimizer (GWO) and Particle Swarm Optimizer (PSO), which solve the network reconfiguration problem by optimally installing different DG types (conventional and renewable-based). Case studies carried out showed the proposed hybrid technique outperformed each algorithm operating individually regarding both voltage profile and reduction in system losses. Case studies are carried to measure and compare the performance of the proposed technique on three different works: IEEE 33-bus, IEEE 69-bus radial distribution system, and an actual 78-bus distribution system located at Cairo, Egypt. The integration of renewable energy with the distribution network, such as photovoltaic (PV) arrays, is recommended since Cairo enjoys an excellent actual record of irradiance according to the PV map of Egypt. View Full-Text
Keywords: AC power flow (AC-PF); distributed generators (DGs); hybrid GWO-PSO; losses reduction; metaheuristic algorithms; renewable energy resources (RES); system reconfiguration; voltage profile AC power flow (AC-PF); distributed generators (DGs); hybrid GWO-PSO; losses reduction; metaheuristic algorithms; renewable energy resources (RES); system reconfiguration; voltage profile
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Abd El-salam, M.F.; Beshr, E.; Eteiba, M.B. A New Hybrid Technique for Minimizing Power Losses in a Distribution System by Optimal Sizing and Siting of Distributed Generators with Network Reconfiguration. Energies 2018, 11, 3351.

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