A comparative efficiency study on bidirectional grid interface converters applied to low power DC nanogrids

This paper describes a comparative efficiency study of different topologies for the bidirectional grid interface converter (BGIC) for applications in DC microgrids, which manage the power flow between the utility grid and the DC microgrid with the intent to regulate the main DC bus voltage and simul...

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Bibliographic Details
Published in2017 Brazilian Power Electronics Conference (COBEP) pp. 1 - 6
Main Authors Sathler, H. H., Sathler, L. H., Marcelino, F. L. F., de Oliveira, T. R., Seleme, S. I., Garcia, P. F. D.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.11.2017
Subjects
Bidirectional converter
Buildings
DC Microgrids
fullbridge
Inductors
Insulated gate bipolar transistors
MOSFET
NPC
Switches
Switching loss
Topology
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Summary:This paper describes a comparative efficiency study of different topologies for the bidirectional grid interface converter (BGIC) for applications in DC microgrids, which manage the power flow between the utility grid and the DC microgrid with the intent to regulate the main DC bus voltage and simultaneously ensure grid code compliance at the point of common coupling. In this area a lot of studies emerged to improve renewable energy integration with electrical grid and increase the entire system efficiency. For efficiency analysis, semiconductors and inductors losses were considered based on datasheets information. MOSFETs usage was considered in order to verify the efficiency increasing against IGBTs for BGIC application.
DOI:10.1109/COBEP.2017.8257219