Optimal Power Flow in Islanded Microgrids Using a Simple Distributed Algorithm

Eleonora Riva Sanseverino, Maria Luisa Di Silvestre, Romina Badalamenti, Ninh Quang Nguyen, Josep Maria Guerrero and Lexuan Meng
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Eleonora Riva Sanseverino: Department of Energy, Information Engineering and Mathematical Models (DEIM), University of Palermo, Viale delle Scienze, Edificio 9, Palermo 90128, Italy
Maria Luisa Di Silvestre: Department of Energy, Information Engineering and Mathematical Models (DEIM), University of Palermo, Viale delle Scienze, Edificio 9, Palermo 90128, Italy
Romina Badalamenti: Department of Energy, Information Engineering and Mathematical Models (DEIM), University of Palermo, Viale delle Scienze, Edificio 9, Palermo 90128, Italy
Ninh Quang Nguyen: Department of Energy, Information Engineering and Mathematical Models (DEIM), University of Palermo, Viale delle Scienze, Edificio 9, Palermo 90128, Italy
Josep Maria Guerrero: Department of Energy Technology, Aalborg University, Pontoppi-danstræde, Aalborg 9220, Denmark
Lexuan Meng: Department of Energy Technology, Aalborg University, Pontoppi-danstræde, Aalborg 9220, Denmark

Energies, 2015, vol. 8, issue 10, 1-22

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.

Keywords: distributed optimization; optimal power flow; microgrids (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2015
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (9)

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