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Energies 2015, 8(10), 11493-11514; doi:10.3390/en81011493

Optimal Power Flow in Islanded Microgrids Using a Simple Distributed Algorithm

1
Department of Energy, Information Engineering and Mathematical Models (DEIM), University of Palermo, Viale delle Scienze, Edificio 9, Palermo 90128, Italy
2
Department of Energy Technology, Aalborg University, Pontoppi-danstræde, Aalborg 9220, Denmark
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editors: G. J. M. (Gerard) Smit and Enrico Sciubba
Received: 14 July 2015 / Revised: 8 October 2015 / Accepted: 9 October 2015 / Published: 15 October 2015
(This article belongs to the Special Issue Microgrids)
View Full-Text   |   Download PDF [694 KB, uploaded 15 October 2015]   |  

Abstract

In this paper, the problem of distributed power losses minimization in islanded distribution systems is dealt with. The problem is formulated in a very simple manner and a solution is reached after a few iterations. The considered distribution system, a microgrid, will not need large bandwidth communication channels, since only closeby nodes will exchange information. The correction of generated active powers is possible by means of the active power losses partition concept that attributes a portion of the overall power losses in each branch to each generator. The experimental part shows the first results of the proposed method on an islanded microgrid. Simulation results of the distributed algorithm are compared to a centralized Optimal Power Flow approach and very small errors can be observed. View Full-Text
Keywords: distributed optimization; optimal power flow; microgrids distributed optimization; optimal power flow; microgrids
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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

Sanseverino, E.R.; Di Silvestre, M.L.; Badalamenti, R.; Nguyen, N.Q.; Guerrero, J.M.; Meng, L. Optimal Power Flow in Islanded Microgrids Using a Simple Distributed Algorithm. Energies 2015, 8, 11493-11514.

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