Distributed Control Scheme for Clusters of Power Quality Compensators in Grid-Tied AC Microgrids

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dc.contributor.authorMartínez-Gómez, Manuel
dc.contributor.authorBurgos-Mellado, Claudio
dc.contributor.authorMorales-Paredes, Helmo Kelis
dc.contributor.authorGómez, Juan Sebastián
dc.contributor.authorVerma, Anant Kumar
dc.contributor.authorBonaldo, Jakson Paulo
dc.date.accessioned2025-01-27T14:16:35Z
dc.date.available2025-01-27T14:16:35Z
dc.date.issued2023-11
dc.descriptionIndexación: Scopus
dc.description.abstractModern electrical systems are required to provide increasing standards of power quality, so converters in microgrids need to cooperate to accomplish the requirements efficiently in terms of costs and energy. Currently, power quality compensators (PQCs) are deployed individually, with no capacity to support distant nodes. Motivated by this, this paper proposes a consensus-based scheme, augmented by the conservative power theory (CPT), for controlling clusters of PQCs aiming to improve the imbalance, harmonics and the power factor at multiple nodes of a grid-tied AC microgrid. The CPT calculates the current components that need to be compensated at the point of common coupling (PCC) and local nodes; then, compensations are implemented by using each grid-following converter’s remaining volt-ampere capacity, converting them in PQCs and improving the system’s efficiency. The proposal yields the non-active power balancing among PQCs compounding a cluster. Constraints of cumulative non-active contribution and maximum disposable power are included in each controller. Also, grid-support components are calculated locally based on shared information from the PCC. Extensive simulations show a seamless compensation (even with time delays) of unbalanced and harmonics current (below 20% each) at selected buses, with control convergences of 0.5–1.5 [s] within clusters and 1.0–3.0 [s] for multi-cluster cooperation. © 2023 by the authors.
dc.description.urihttps://www.mdpi.com/2071-1050/15/22/15698
dc.identifier.citationSustainability (Switzerland). Volume 15, Issue 22. November 2023. Article number 15698
dc.identifier.doi10.3390/su152215698
dc.identifier.issn2071-1050
dc.identifier.urihttps://repositorio.unab.cl/handle/ria/63290
dc.language.isoen
dc.publisherMultidisciplinary Digital Publishing Institute (MDPI)
dc.rights.licenseAttribution 4.0 International Deed (CC BY 4.0)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectAC Microgrids
dc.subjectCluster Control
dc.subjectConservative Power Theory
dc.subjectDistributed Control
dc.subjectPower Quality
dc.subjectSmart Grids
dc.titleDistributed Control Scheme for Clusters of Power Quality Compensators in Grid-Tied AC Microgrids
dc.typeArtículo
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