Magnetically Integrated Multiport Converter for Energy Management in DC-Powered Buildings

Edivan Laercio Carvalho; Andrii Chub; Andrei Blinov; Satish Naik Banavath; Dmitri Vinnikov

doi:10.18618/REP.e202445

Authors

Edivan Laercio Carvalho Tallinn University of Technology https://orcid.org/0000-0002-8389-8703
Andrii Chub Tallinn University of Technology https://orcid.org/0000-0002-4253-7506
Andrei Blinov Tallinn University of Technology https://orcid.org/0000-0001-8577-4897
Satish Naik Banavath Indian Institute of Technology Dharwad https://orcid.org/0000-0002-4406-9822
Dmitri Vinnikov Tallinn University of Technology https://orcid.org/0000-0001-6010-3464

DOI:

https://doi.org/10.18618/REP.e202445%20%20

Keywords:

Bidirectional power flow, dc-powered buildings, energy efficient buildings, multiport converters, isolated converters

Abstract

Multiport converters have gained attention in the last few years as a key component for dc-powered buildings, more electric aircraft, and maritime applications. For buildings, the prevalence of dc appliances and electronic loads increases the need for efficient integration with both ac grid and local generation. Ac-dc multiport converters play an important role in this integration because dc distribution has been considered for power integration in modern buildings. In addition, the growing complexity of loads and sources within buildings has driven interest in developing flexible solutions to provide highly efficient integration. Furthermore, ongoing developments in standardization for in-building dc grids underscore the importance of considering specific requirements for future designs. This paper proposes a multiport power converter (ac/dc/dc) to integrate dc-powered buildings into an ac grid. By providing a multiport solution, it is possible to reduce the power processing stages and the component count. To evaluate the effectiveness of this concept, a 5-kW prototype was built and tested, including efficiency evaluation. In addition, emerging standards are discussed to tailor the power converter design for building applications.

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Author Biographies

Edivan Laercio Carvalho, Tallinn University of Technology

received the B.Sc. and M.Sc. degrees in electrical engineering from the Federal University of Technology – Paraná (UTFPR), Brazil, in 2015, and 2018, respectively, and the Ph.D. degree in electrical engineering from Federal University of Santa Maria (UFSM), Brazil. He is currently a Researcher with the Power Electronics Group, Tallinn University of Technology, Estonia. His research interests include high-frequency power converter topologies, net-zero energy buildings, and power management systems.

Andrii Chub, Tallinn University of Technology

received the B.Sc. and M.Sc. degrees in electronic systems from Chernihiv State Technological University, Ukraine, in 2008 and 2009, respectively, and the Ph.D. degree in electrical engineering from the Tallinn University of Technology, Estonia, in 2016. He is currently a Senior Researcher with the Power Electronics Group of Tallinn University of Technology. His research interests include advanced dc–dc converters, energy-efficient buildings, and fault-tolerance of power electronic converters.

Andrei Blinov, Tallinn University of Technology

received the M.Sc. degree in electrical drives and power electronics and the Ph.D. degree, from the Tallinn University of Technology, Tallinn, Estonia, in 2008 and 2012, respectively. He is currently a Senior Researcher with the Power Electronics Group of Tallinn University of Technology. His research interests include the research of switch-mode power converters, new semiconductor technologies, and energy storage systems.

Satish Naik Banavath, Indian Institute of Technology Dharwad

holds a B.Tech. degree in electrical and electronics engineering from Acharya Nagarjuna University, Guntur, India in 2010, M.E. and Ph.D. degrees in electrical engineering at the Indian Institute of Science, Bengaluru, India, in 2012 and 2018, respectively. From 2012 to 2014, he worked with the Defence Research and Development Organization (DRDO), Ministry of Defence, Government of India, in Bengaluru. Subsequently, he served as a Postdoctoral Fellow at the University of Houston, Houston, TX, USA, from 2017 to 2018. Later, he joined Mahindra Electric Mobility Limited in Bengaluru, where he held the position of Research and Development Manager from 2018 to 2019. Since 2019, he has been an Assistant Professor in the Department of Electrical Engineering at the Indian Institute of Technology (IIT) Dharwad, India.

Dmitri Vinnikov, Tallinn University of Technology

received the Dipl.Eng., M.Sc., and Dr.Sc.techn. degrees in electrical engineering from the Tallinn University of Technology, Tallinn, Estonia, in 1999, 2001, and 2005, respectively. He is currently the Head of the Power Electronics Group of Tallinn University of Technology. He has authored or co-authored four books, five monographs and several book chapters as well as more than 600 published papers on power converter design and development and is the holder of numerous patents and utility models in this field. His research interests include applied design of power electronic systems, renewable energy conversion systems, energy-efficient buildings, reliability and fault-tolerance of power electronic systems.

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