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Energies 2015, 8(12), 13894-13910; doi:10.3390/en81212402

A Two-stage Optimal Network Reconfiguration Approach for Minimizing Energy Loss of Distribution Networks Using Particle Swarm Optimization Algorithm

1
Department of Industrial Education and Technology, National Changhua University of Education, No. 2, Shida Road, Changhua 500, Taiwan
2
Department of Electrical Engineering, National Taiwan University of Science and Technology, No.43, Section 4, Keelung Road, Da’an District, Taipei City 106, Taiwan
3
The Institute of Nuclear Energy Research, 1000 Wenhua Road, Jiaan Village, Longtan District, Taoyuan City 325, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Neville Watson
Received: 7 October 2015 / Accepted: 1 December 2015 / Published: 5 December 2015
(This article belongs to the Special Issue Electric Power Systems Research)
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Abstract

This study aimed to minimize energy losses in traditional distribution networks and microgrids through a network reconfiguration and phase balancing approach. To address this problem, an algorithm composed of a multi-objective function and operation constraints is proposed. Network connection matrices based on graph theory and the backward/forward sweep method are used to analyze power flow. A minimizing energy loss approach is developed for network reconfiguration and phase balancing, and the particle swarm optimization (PSO) algorithm is adopted to solve this optimal combination problem. The proposed approach is tested on the IEEE 37-bus test system and the first outdoor microgrid test bed established by the Institute of Nuclear Energy Research (INER) in Taiwan. Simulation results demonstrate that the proposed two-stage approach can be applied in network reconfiguration to minimize energy loss. View Full-Text
Keywords: energy loss; distribution network; microgrid; network reconfiguration; phase balancing; particle swarm optimization (PSO); connection matrices energy loss; distribution network; microgrid; network reconfiguration; phase balancing; particle swarm optimization (PSO); connection matrices
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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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MDPI and ACS Style

Huang, W.-T.; Chen, T.-H.; Chen, H.-T.; Yang, J.-S.; Lian, K.-L.; Chang, Y.-R.; Lee, Y.-D.; Ho, Y.-H. A Two-stage Optimal Network Reconfiguration Approach for Minimizing Energy Loss of Distribution Networks Using Particle Swarm Optimization Algorithm. Energies 2015, 8, 13894-13910.

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