A Unified Distributed Cooperative Control of DC Microgrids Using Consensus Protocol

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dc.contributor.authorLi, Yu
dc.contributor.authorZhang, Zhenbin
dc.contributor.authorDragicevic, Tomislav
dc.contributor.authorRodriguez, Jose
dc.date.accessioned2024-06-24T20:16:28Z
dc.date.available2024-06-24T20:16:28Z
dc.date.issued2021-05
dc.descriptionIndexación: Scopus.
dc.description.abstractIn this work, we propose an effective and simple control approach for islanded DC microgrids that allows each distributed generator (DG) to achieve accurate voltage regulation and power-sharing. An improved dynamic consensus protocol, which is robust to measurement noise and states initialization, is employed to enable each agent to locally calculate the average bus voltage with a sparse cyber network. On this basis, we propose a cooperative controller that merges the voltage regulation and power-sharing objectives in a unified fashion. The proposed approach only uses neighbors' voltage information to regulates the average bus voltage to its nominal value while maintaining proportional power-sharing or optimal power dispatch. This significantly simplifies its implementation and reduces the communication bandwidth requirement. A global model of the DC microgrid considering the cyber network is established in the form of a state-space-model, where the reference voltage vector corresponds to the input and the average bus voltage vector denotes the state. Then, the input-to-state stability analysis is carried out. To the end, comprehensive hardware-in-the-loop (HiL) tests are conducted to validate the effectiveness of the proposed control strategy. The proposed control strategy exhibits plug-and-play capability, and it is resilient to message update rate and communication failure.
dc.description.urihttps://ieeexplore-ieee-org.recursosbiblioteca.unab.cl/stamp/stamp.jsp?tp=&arnumber=9272997
dc.identifier.citationIEEE Transactions on Smart Grid Volume 12, Issue 3, Pages 1880 - 1892 May 2021 Article number 9272997
dc.identifier.doi10.1109/TSG.2020.3041378
dc.identifier.issn1949-3053
dc.identifier.urihttps://repositorio.unab.cl/handle/ria/57948
dc.language.isoen_US
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.subjectCooperative control
dc.subjectDC microgrids
dc.subjectdistributed control
dc.subjectload sharing
dc.subjectstability analysis
dc.titleA Unified Distributed Cooperative Control of DC Microgrids Using Consensus Protocol
dc.typeArtículo
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