Hierarchical control of droop-controlled AC and DC microgrids - A general approach toward standardization

Josep M. Guerrero, Juan C. Vasquez, José Matas, Luis García De Vicuña, Miguel Castilla

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4002 Citationer (Scopus)

Abstract

AC and dc microgrids (MGs) are key elements for integrating renewable and distributed energy resources as well as distributed energy-storage systems. In the last several years, efforts toward the standardization of these MGs have been made. In this sense, this paper presents the hierarchical control derived from ISA-95 and electrical dispatching standards to endow smartness and flexibility to MGs. The hierarchical control proposed consists of three levels: 1) The primary control is based on the droop method, including an output-impedance virtual loop; 2) the secondary control allows the restoration of the deviations produced by the primary control; and 3) the tertiary control manages the power flow between the MG and the external electrical distribution system. Results from a hierarchical-controlled MG are provided to show the feasibility of the proposed approach.
OriginalsprogEngelsk
Artikelnummer5546958
TidsskriftIEEE Transactions on Industrial Electronics
Vol/bind58
Udgave nummer1
Sider (fra-til)158-172
Antal sider15
ISSN0278-0046
DOI
StatusUdgivet - 1 jan. 2011
Udgivet eksterntJa

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