Deployment of a Bidirectional MW-Level Electric-Vehicle Extreme Fast Charging Station Enabled by High-Voltage SiC and Intelligent Control

Considering the fact that electric vehicle battery charging based on the current charging station is time-consuming, the charging technology needs to improve in order to increase charging speed, which could reduce range anxiety and benefit the user experience of electric vehicle (EV). For this reaso...

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Main Authors: Ziwei Liang, Daniel Merced, Mojtaba Jalalpour, Hua Bai
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/13/7/1840
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author Ziwei Liang
Daniel Merced
Mojtaba Jalalpour
Hua Bai
author_facet Ziwei Liang
Daniel Merced
Mojtaba Jalalpour
Hua Bai
author_sort Ziwei Liang
collection DOAJ
description Considering the fact that electric vehicle battery charging based on the current charging station is time-consuming, the charging technology needs to improve in order to increase charging speed, which could reduce range anxiety and benefit the user experience of electric vehicle (EV). For this reason, a 1 MW battery charging station is presented in this paper to eliminate the drawbacks of utilizing the normal 480 VAC as the system input to supply the 1 MW power, such as the low power density caused by the large volume of the 60 Hz transformer and the low efficiency caused by the high current. The proposed system utilizes the grid input of single-phase 8 kVAC and is capable of charging two electric vehicles with 500 kW each, at the same time. Therefore, this paper details how high-voltage SiC power modules are the key enabler technology, as well as the selection of a resonant-type input-series, output-parallel circuitry candidate to secure high power density and efficiency, while intelligently dealing with the transient processes, e.g., pre-charging process and power balancing among modules, and considering the impact on the grid, are both of importance.
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spelling doaj.art-73413764cfec4c25a72218ee709651a62023-11-19T21:18:13ZengMDPI AGEnergies1996-10732020-04-01137184010.3390/en13071840Deployment of a Bidirectional MW-Level Electric-Vehicle Extreme Fast Charging Station Enabled by High-Voltage SiC and Intelligent ControlZiwei Liang0Daniel Merced1Mojtaba Jalalpour2Hua Bai3Department of Electrical Engineering and Computer Science, University of Tennessee, Knoxville, TN 37996, USADepartment of Electrical Engineering and Computer Science, University of Tennessee, Knoxville, TN 37996, USADepartment of Electrical Engineering and Computer Science, University of Tennessee, Knoxville, TN 37996, USADepartment of Electrical Engineering and Computer Science, University of Tennessee, Knoxville, TN 37996, USAConsidering the fact that electric vehicle battery charging based on the current charging station is time-consuming, the charging technology needs to improve in order to increase charging speed, which could reduce range anxiety and benefit the user experience of electric vehicle (EV). For this reason, a 1 MW battery charging station is presented in this paper to eliminate the drawbacks of utilizing the normal 480 VAC as the system input to supply the 1 MW power, such as the low power density caused by the large volume of the 60 Hz transformer and the low efficiency caused by the high current. The proposed system utilizes the grid input of single-phase 8 kVAC and is capable of charging two electric vehicles with 500 kW each, at the same time. Therefore, this paper details how high-voltage SiC power modules are the key enabler technology, as well as the selection of a resonant-type input-series, output-parallel circuitry candidate to secure high power density and efficiency, while intelligently dealing with the transient processes, e.g., pre-charging process and power balancing among modules, and considering the impact on the grid, are both of importance.https://www.mdpi.com/1996-1073/13/7/1840silicon carbideextreme fast chargingDC transformerelectric vehicle
spellingShingle Ziwei Liang
Daniel Merced
Mojtaba Jalalpour
Hua Bai
Deployment of a Bidirectional MW-Level Electric-Vehicle Extreme Fast Charging Station Enabled by High-Voltage SiC and Intelligent Control
Energies
silicon carbide
extreme fast charging
DC transformer
electric vehicle
title Deployment of a Bidirectional MW-Level Electric-Vehicle Extreme Fast Charging Station Enabled by High-Voltage SiC and Intelligent Control
title_full Deployment of a Bidirectional MW-Level Electric-Vehicle Extreme Fast Charging Station Enabled by High-Voltage SiC and Intelligent Control
title_fullStr Deployment of a Bidirectional MW-Level Electric-Vehicle Extreme Fast Charging Station Enabled by High-Voltage SiC and Intelligent Control
title_full_unstemmed Deployment of a Bidirectional MW-Level Electric-Vehicle Extreme Fast Charging Station Enabled by High-Voltage SiC and Intelligent Control
title_short Deployment of a Bidirectional MW-Level Electric-Vehicle Extreme Fast Charging Station Enabled by High-Voltage SiC and Intelligent Control
title_sort deployment of a bidirectional mw level electric vehicle extreme fast charging station enabled by high voltage sic and intelligent control
topic silicon carbide
extreme fast charging
DC transformer
electric vehicle
url https://www.mdpi.com/1996-1073/13/7/1840
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AT danielmerced deploymentofabidirectionalmwlevelelectricvehicleextremefastchargingstationenabledbyhighvoltagesicandintelligentcontrol
AT mojtabajalalpour deploymentofabidirectionalmwlevelelectricvehicleextremefastchargingstationenabledbyhighvoltagesicandintelligentcontrol
AT huabai deploymentofabidirectionalmwlevelelectricvehicleextremefastchargingstationenabledbyhighvoltagesicandintelligentcontrol