{Optimal design of mixed AC–DC distribution systems for commercial buildings: A Nonconvex Generalized Benders Decomposition approach}

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Title	{Optimal design of mixed AC–DC distribution systems for commercial buildings: A Nonconvex Generalized Benders Decomposition approach}
Publication Type	Journal Article
Year of Publication	2015
Authors	Frank SM, Rebennack S
Journal	European Journal of Operational Research
Volume	242
Pagination	710–729
Date Published	may
ISSN	03772217
Keywords	electric power systems, Global optimization, Mixed AC–DC electricity distribution, Nonconvex Generalized Benders Decomposition (NGBD), Optimal power flow (OPF)
Abstract	Direct current (DC) electricity distribution systems have been proposed as an alternative to traditional, alternating current (AC) distribution systems for commercial buildings. Partial replacement of AC distribution with DC distribution can improve service to DC loads and overall building energy efficiency. This article develops (i) a mixed-integer, nonlinear, nonconvex mathematical programming problem to determine maximally energy efficient designs for mixed AC–DC electricity distribution systems in commercial buildings, and (ii) describes a tailored global optimization algorithm based on Nonconvex Generalized Benders Decomposition. The results of three case studies demonstrate the strength of the decomposition approach compared to state-of-the-art general-purpose global solvers.
URL	http://www.sciencedirect.com/science/article/pii/S0377221714008121 http://linkinghub.elsevier.com/retrieve/pii/S0377221714008121
DOI	10.1016/j.ejor.2014.10.008