The UFMG Microgrid Laboratory: a Testbed for Advanced Microgrids

João Marcus S. Callegari; Wanderson F. de Souza; Danilo I. Brandao; Thiago R. Oliveira; Braz J. Cardoso Filho

doi:10.18618/REP.2023.2.0043

Authors

João Marcus S. Callegari Universidade Federal de Minas Gerais, Graduate Program in Electrical Engineering, Belo Horizonte – MG, Brazil
Wanderson F. de Souza Federal Institute of Minas Gerais, Ibirité – MG, Brazil
Danilo I. Brandao Universidade Federal de Minas Gerais, Graduate Program in Electrical Engineering, Belo Horizonte – MG, Brazil
Thiago R. Oliveira Universidade Federal de Minas Gerais, Graduate Program in Electrical Engineering, Belo Horizonte – MG, Brazil
Braz J. Cardoso Filho Universidade Federal de Minas Gerais, Graduate Program in Electrical Engineering, Belo Horizonte – MG, Brazil

DOI:

https://doi.org/10.18618/REP.2023.2.0043

Keywords:

Advanced Microgrid, Ancillary services, Centralized Control, Distributed Energy Resource, Testbed

Abstract

This paper describes a test facility for the design and validation of advanced microgrids (MGs) to integrate high penetration of renewable energy and electric vehicles. The UFMG MG laboratory is a joint effort of UFMG, industry, and government. The UFMG MG laboratory is a physical simulation tool for the design, development, testing, and didactic purposes of advanced MG projects under islanded and grid-connected operating modes. Using commercial inverters, and flexible digital control cards, the testbed is modular and flexible in terms of control of inverters, communication technology, and MG architectures. The capabilities of such a testbed in the development of MG management systems are illustrated by means of experimental results considering an advanced MG performing grid-connected ancillary services, such as self-consumption and power factor regulation. The example also highlights the flexibility of the setup incorporating user-adjustable communication latency and user-defined communication failure.

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Author Biographies

João Marcus S. Callegari, Universidade Federal de Minas Gerais, Graduate Program in Electrical Engineering, Belo Horizonte – MG, Brazil

received the B.Sc. degree in electrical engineering from the Federal University of Viçosa, Brazil, in 2019 and the M.Sc. degree in electrical engineering from the Federal Center of Technological Education of Minas Gerais, Brazil, in 2021. Currently, he is working toward the Ph.D. degree in electrical engineering at the Federal University of Minas Gerais, Brazil. His current research and technical interests include the design and control of grid-connected multifunctional inverters, the reliability of power electronicsbased systems, and ac microgrids. Mr. Callegari was the recipient of the President Bernardes Silver Medal in 2019 and the IEEE IAS CMD Student Thesis Contest 2022 (Non-PhD Category).

Wanderson F. de Souza, Federal Institute of Minas Gerais, Ibirité – MG, Brazil

received the B.Sc. degree in electronic and telecommunication engineering from the Catholic University of Minas Gerais, Brazil, in 2000 and the M.Sc. and Ph.D. degrees in electrical engineering from the Federal University of Minas Gerais (2005 and 2014). Dr. de Souza has experience in electrical engineering, with an emphasis on telecommunications systems, acting mainly on the following topics: ac microgrids, distributed generation, regulation of power systems, and digital control embedded in microcontrollers. He is a member of SOBRAEP.

Danilo I. Brandao, Universidade Federal de Minas Gerais, Graduate Program in Electrical Engineering, Belo Horizonte – MG, Brazil

received the Ph.D. degree in electrical engineering from the University of Campinas, Brazil, in 2015. He was a visiting scholar at the Colorado School of Mines, USA, in 2009 and 2013, a visiting scholar at the University of Padova, Italy, in 2014, and a guest professor at the Norwegian University of Science and Technology, Norway, in 2018 and 2020. He is currently an assistant professor in the Graduate Program in Electrical Engineering at the Federal University of Minas Gerais, Belo Horizonte, Brazil. His main research interests are control of grid-tied converters and microgrids. He is a member of SOBRAEP.

Thiago R. Oliveira, Universidade Federal de Minas Gerais, Graduate Program in Electrical Engineering, Belo Horizonte – MG, Brazil

received his Ph.D. in electrical engineering from the Federal University of Minas Gerais (UFMG) in 2016. He is currently an Assistant Professor at UFMG and a board member of the Power Electronics Research Group (GEP-UFMG) at the same university. His research interest concern the design of high-performance converters, Hybrid AC/DC microgrids, and UPS.

Braz J. Cardoso Filho, Universidade Federal de Minas Gerais, Graduate Program in Electrical Engineering, Belo Horizonte – MG, Brazil

received the Ph.D. degree in electrical engineering from the University of Wisconsin-Madison, Madison, WI, USA, in 1998. Since 1989, he has been a Faculty Member of the Department of Electrical Engineering, Federal University of Minas Gerais, Belo Horizonte, Brazil, where he is currently a Full Professor, and the Founder and Head of the TESLA Power Engineering Laboratory. He has authored/coauthored about 200 technical papers on the topics of power electronics and electrical drives and holds eight patents. His research interests include utility applications of power electronics, renewable energy sources, semiconductor power devices, electrical machines and drives, and vehicle electrification.

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