Optimal configuration of isolated hybrid AC/DC microgrids

From National Research Council Canada

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  1. Available on March 9, 2020
DOIResolve DOI: https://doi.org/10.1109/TSG.2018.2810310
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  1. National Research Council Canada
FormatText
TypeArticle
Journal titleIEEE Transactions on Smart Grid
ISSN1949-3053
1949-3061
Pages# of pages: 8
Subjectdistributed energy resources (DER); hybrid ac/dc microgrids; isolated microgrids; planning model
Abstract
This paper proposes a model for planning isolated microgrids. The goal of the proposed model is to minimize the investment, operational, and total costs of an isolated microgrid through the full identification of the system configuration. The model designates the optimal type of microgrid, i.e., ac, dc, or hybrid ac/dc, and the optimal sizing of both the distributed energy resources (DERs) and the electronic power converters, if needed. To render this planning approach generic, the model accommodates a wide variety of DERs, including ac and dc generators, capacitors, and energy storage systems. The detailed operational criteria of each power apparatus are taken into account in order to provide reliable operational scenarios. As a means of guaranteeing active and reactive power adequacy in isolated microgrids, the stochastic nature of generation and demand are also considered. The proposed model was developed analytically as a mixed integer nonlinear problem so that obtaining solution optima is thus possible with the use of a deterministic branch-and-bound nonlinear solver. The validity and effectiveness of the new formulation have been demonstrated through several case studies involving varied load topologies.
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PublisherIEEE
LanguageEnglish
Peer reviewedYes
NPARC number23002977
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Record identifier9295fb5e-6afe-4e34-b72a-70bb63bf1897
Record created2018-03-29
Record modified2019-03-11
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