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Article

Novel Five-Level ANPC Bidirectional Converter for Power Quality Enhancement during G2V/V2G Operation of Cascaded EV Charger

1
División de Estudios de Posgrado e Investigación, TNM Instituto Tecnológico de La Laguna, Torreón 27000, Mexico
2
School of Electrical and Information Engineering, University of the Witwatersrand, Johannesburg 2000, South Africa
3
Department of Electrical Engineering, École de Technologie Supérieure (ÉTS), Montreal, QC H3C 1K3, Canada
*
Author to whom correspondence should be addressed.
Academic Editor: Sekyung Han
Energies 2021, 14(9), 2650; https://doi.org/10.3390/en14092650
Received: 24 March 2021 / Revised: 25 April 2021 / Accepted: 27 April 2021 / Published: 5 May 2021
(This article belongs to the Special Issue Grid-to-Vehicle (G2V) and Vehicle-to-Grid (V2G) Technologies 2021)
This paper presents a novel single-phase (SP) active-neutral point clamped (ANPC) five-level bidirectional converter (FLBC) for enhancing the power quality (PQ) during the grid-to-vehicle (G2V) and vehicle-to-grid (V2G) operation of an electric vehicle (EV) charger connected in series. This EV charger is based on a dual-active half-bridge DC-DC converter (DAHBC) with a high frequency isolation transformer. Unlike the comparable ANPC topologies found in literature, the proposed one has two more switches, i.e., ten instead of eight. However, with the addition of these components, the proposed multilevel converter not only becomes capable of properly balancing the voltage of the DC-link split capacitors under various step-changing conditions but it achieves a better efficiency, a lower stress of the switching devices and a more even distribution of the power losses. The resulting grid-tied ANPC-SPFLBC and DAHBC are accurately controlled with a cascaded control strategy and a single-phase shift (SPS) control technique, respectively. The simulation results obtained with MATLAB-SimPowerSystems as well as the experimental results obtained in laboratory validate the proposed ANPC-SPFLBC for a set of exhaustive tests in both V2G and G2V modes. A detailed power quality analysis carried out with a Fluke 43B alike demonstrates the good performance of the proposed topology. View Full-Text
Keywords: single-phase five-level converter; ANPC topology; DC-link split capacitors voltage balancing; power quality enhancement; electric vehicle charger; G2V/V2G operation modes single-phase five-level converter; ANPC topology; DC-link split capacitors voltage balancing; power quality enhancement; electric vehicle charger; G2V/V2G operation modes
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MDPI and ACS Style

Lara, J.; Masisi, L.; Hernandez, C.; Arjona, M.A.; Chandra, A. Novel Five-Level ANPC Bidirectional Converter for Power Quality Enhancement during G2V/V2G Operation of Cascaded EV Charger. Energies 2021, 14, 2650. https://doi.org/10.3390/en14092650

AMA Style

Lara J, Masisi L, Hernandez C, Arjona MA, Chandra A. Novel Five-Level ANPC Bidirectional Converter for Power Quality Enhancement during G2V/V2G Operation of Cascaded EV Charger. Energies. 2021; 14(9):2650. https://doi.org/10.3390/en14092650

Chicago/Turabian Style

Lara, Jorge, Lesedi Masisi, Concepcion Hernandez, Marco A. Arjona, and Ambrish Chandra. 2021. "Novel Five-Level ANPC Bidirectional Converter for Power Quality Enhancement during G2V/V2G Operation of Cascaded EV Charger" Energies 14, no. 9: 2650. https://doi.org/10.3390/en14092650

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