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Development of a methodology for cooperative control of distributed generators in microgrids with multiple operational considerations

Grant number: 17/24652-8
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): May 01, 2018
Effective date (End): July 25, 2021
Field of knowledge:Engineering - Electrical Engineering - Power Systems
Principal researcher:Fernando Pinhabel Marafão
Grantee:Augusto Matheus dos Santos Alonso
Home Institution: Faculdade de Engenharia (FE). Universidade Estadual Paulista (UNESP). Campus de Bauru. Bauru , SP, Brazil
Associated research grant:16/08645-9 - Interdisciplinary research activities in electric smart grids, AP.TEM
Associated scholarship(s):18/22172-1 - Experimental validation of a multiobjective strategy to coordinate multifunctional converters in AC low-voltage microgrids, BE.EP.DR


Multifunctional inverters are being consolidated as vital devices in electrical microgrids, due to their capacity of adding flexibility to active power injection management, also offering power quality related supplemental ancillary services. Therefore, several approaches based on hierarchical or decentralized methodologies have been proposed to cooperatively coordinate such devices dispersed over microgrids, aiming mainly a global, which focus on the power flow control at a PCC or in a specific node. As a consequence, there remains a gap in the literature regarding alternatives that are able to coordinate inverters under a multiobjective context in microgrids, providing sharing of active, reactive and harmonic electrical quantities, not only striving for a specific goal at the PCC or in a particular node, but also complying with power quality measurements in secondary nodes. Having that in mind, this work intents to study a methodology able to cooperatively control inverters looking at multiple nodal operation goals within a microgrid, under islanded or grid-connected conditions, with single- or three-phase topology, and considering distorted and asymmetrical voltage scenarios. Studies related to the feasibility of some methodologies found in literature, such as the current-based control algorithm, will support the later development of a strategy that expands a distributed coordination approach with a singular target to a multiobjective scope. The assembly of a laboratory scale prototype of a dispatchable microgrid with dispersed inverters is as well planned, aiming at experimentally validating the methodologies developed in this work, also confronting the proposed computational simulations. (AU)

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Scientific publications (6)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ALONSO, AUGUSTO M. S.; PEREIRA JUNIOR, BENVINDO R.; BRANDAO, DANILO I.; MARAFAO, FERNANDO P.. Optimized Exploitation of Ancillary Services: Compensation of Reactive, Unbalance and Harmonic Currents Based on Particle Swarm Optimization. IEEE Latin America Transactions, v. 19, n. 02, p. 314-325, . (16/08645-9, 18/22172-1, 17/24652-8)
BRANDAO, I, DANILO; FERREIRA, WILLIAN M.; ALONSO, AUGUSTO M. S.; TEDESCHI, ELISABETTA; MARAFAO, FERNANDO P.. Optimal Multiobjective Control of Low-Voltage AC Microgrids: Power Flow Regulation and Compensation of Reactive Power and Unbalance. IEEE TRANSACTIONS ON SMART GRID, v. 11, n. 2, p. 1239-1252, . (16/08645-9, 17/24652-8)
BRANDAO, DANILO I.; ARAUJO, LUCAS S.; ALONSO, AUGUSTO M. S.; DOS REIS, GEOVANE L.; LIBERADO, EDUARDO V.; MARAFAO, FERNANDO P.. Coordinated Control of Distributed Three- and Single-Phase Inverters Connected to Three-Phase Three-Wire Microgrids. IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS, v. 8, n. 4, p. 3861-3877, . (17/24652-8, 16/08645-9)
DOS SANTOS ALONSO, AUGUSTO MATHEUS; BRANDAO, DANILO IGLESIAS; CALDOGNETTO, TOMMASO; MARAFAO, FERNANDO PINHABEL; MATTAVELLI, PAOLO. A selective harmonic compensation and power control approach exploiting distributed electronic converters in microgrids. INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS, v. 115, . (18/22172-1, 16/08645-9, 17/24652-8)
BONALDO, JAKSON PAULO; DE SOUZA, VINICIUS A.; ALONSO, AUGUSTO MATHEUS DOS SANTOS; ARENAS, LUIS DE ORO; MARAFAO, FERNANDO PINHABEL; PAREDES, HELMO K. MORALES. Adaptive Power Factor Regulation Under Asymmetrical and Non-Sinusoidal Grid Condition With Distributed Energy Resource. IEEE ACCESS, v. 9, p. 140487-140503, . (19/22304-8, 16/08645-9, 17/24652-8, 17/22629-9)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
ALONSO, Augusto Matheus dos Santos. . 2021. Doctoral Thesis - Universidade Estadual Paulista (UNESP). Faculdade de Engenharia. Bauru Bauru.

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