LAPSE:2023.30943
Published Article
LAPSE:2023.30943
Impact Assessment of Electric Vehicle Charging in an AC and DC Microgrid: A Comparative Study
April 17, 2023
This paper presents an in-depth comparison of the benefits and limitations of using a low-voltage DC (LVDC) microgrid versus an AC microgrid with regard to the integration of low-carbon technologies. To this end, a novel approach for charging electric vehicles (EVs) on low-voltage distribution networks by utilizing an LVDC backbone is discussed. The global aim of the conducted study is to investigate the overall energy losses as well as voltage stability problems on DC and AC microgrids. Both architectures are assessed and compared to each other by performing a power flow analysis. Along this line, an actual low-voltage distribution network with various penetration levels of EVs, combined with photovoltaic (PV) systems and battery energy storage systems is considered. Obtained results indicate significant power quality improvements in voltage imbalances and conversion losses thanks to the proposed backbone. Moreover, the study concludes with a discussion of the impact level of EVs and PVs penetration degrees on energy efficiency, besides charging power levels’ impact on local self-consumption reduction of the studied system. The outcomes of the study can provide extensive insights for hybrid microgrid and EV charging infrastructure designers in a holistic manner in all aspects.
Keywords
converter efficiency, DC microgrid, electric vehicles, LVDC backbone, power quality
Suggested Citation
Cleenwerck R, Azaioud H, Vafaeipour M, Coosemans T, Desmet J. Impact Assessment of Electric Vehicle Charging in an AC and DC Microgrid: A Comparative Study. (2023). LAPSE:2023.30943
Author Affiliations
Cleenwerck R: EELab/Lemcko, Deptartment of Electromechanical, Systems and Metal Engineering, Ghent University, 8500 Kortrijk, Belgium; EVERGi, MOBI Research Centre & ETEC Deptartment, Vrije Universiteit Brussel, 1050 Brussel, Belgium [ORCID]
Azaioud H: EELab/Lemcko, Deptartment of Electromechanical, Systems and Metal Engineering, Ghent University, 8500 Kortrijk, Belgium [ORCID]
Vafaeipour M: EVERGi, MOBI Research Centre & ETEC Deptartment, Vrije Universiteit Brussel, 1050 Brussel, Belgium [ORCID]
Coosemans T: EVERGi, MOBI Research Centre & ETEC Deptartment, Vrije Universiteit Brussel, 1050 Brussel, Belgium [ORCID]
Desmet J: EELab/Lemcko, Deptartment of Electromechanical, Systems and Metal Engineering, Ghent University, 8500 Kortrijk, Belgium [ORCID]
Journal Name
Energies
Volume
16
Issue
7
First Page
3205
Year
2023
Publication Date
2023-04-02
Published Version
ISSN
1996-1073
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Original Submission
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PII: en16073205, Publication Type: Journal Article
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LAPSE:2023.30943
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doi:10.3390/en16073205
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Apr 17, 2023
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