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Analysis of consensus-based islanded microgrids subject to unexpected electrical and communication partitions

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10.1109/TSG.2018.2877218
 
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Rosero Chandi, Carlos Xavier
Velasco García, ManelMés informacióMés informacióMés informació
Martí Colom, PauMés informacióMés informacióMés informació
Camacho Santiago, AntonioMés informacióMés informacióMés informació
Miret Tomàs, JaumeMés informacióMés informacióMés informació
Castilla Fernández, MiguelMés informacióMés informacióMés informació
Document typeArticle
Defense date2018-01-01
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
Microgrids are power systems consisting of an electrical network composed by distributed loads and generation units that may include a communication network for improved operation. The considered microgrid in islanded mode is driven by voltage source inverters implementing decentralized droop control for active power sharing together with a communication-based consensus algorithm for frequency regulation. This paper analyses the microgrid performance subject to network failures that provoke network partitions. It is considered that the electrical partition leads to several sub-microgrids working in parallel where the power demand can be always guaranteed by the generation units, and the communication partition leads to several consensus algorithms also working in parallel. The double partitioning is analyzed through a closed-loop system model derived using the power flow equations that includes the electrical and communication connectivity. Analytical expressions for the steady-state values for both frequency and active power depending on the partitioning are derived. Selected experimental results on a low-scale laboratory microgrid illustrate the (undesirable) impact that unexpected partitions have in system performance
Description
© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works
CitationRosero, C. X. [et al.]. Analysis of consensus-based islanded microgrids subject to unexpected electrical and communication partitions. "IEEE Transactions on Smart Grid", 1 Gener 2018, vol. 10, núm. 5, p. 5125-5135 
URIhttp://hdl.handle.net/2117/133826
DOI10.1109/TSG.2018.2877218
ISSN1949-3053
Publisher versionhttps://ieeexplore.ieee.org/document/8501583
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  • Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial - Articles de revista [1.323]
  • Departament d'Enginyeria Electrònica - Articles de revista [1.658]
  • SEPIC - Sistemes Electrònics de Potència i de Control - Articles de revista [116]
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