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Design and development of three levels universal electric vehicle charger based on integration of VOC and SPWM techniques


Citation

Al-Ogaili, Ali Saadon and Aris, Ishak and Sabry, A. H. and Othman, Mohammad Lutfi and Azis, Norhafiz and Isa, Dino and Yap, Hoo (2017) Design and development of three levels universal electric vehicle charger based on integration of VOC and SPWM techniques. Journal of Computational and Theoretical Nanoscience, 14 (10). 4674 - 4685. ISSN 1546-1955; ESSN: 1546-1963

Abstract / Synopsis

In order to successfully launch Electric vehicles (EVs) over the actual world, EVs battery chargers have a crucial role to predict the charging time. This work presents the design process of a universal EV charger, The proposed charger is able of providing a controllable and constant charging voltage for a various EVs, which is composed of three levels of charging, 650 V/100 A DC for bus or lorry, single-phase 120 V/16 A AC for motorcycle, and three-phase 240 V/60 A for saloon car battery charging. The output voltage ranges are 40 V–60 V, 400 V–500 V, or 500 V–600 V. The power system of this work consists of two converters; First one, is for the three-phase pulse-width modulated (PWM) of a bridge rectifier with an output of 850 V DC unregulated voltage, while the second converter is for the three-phase DC–DC converter. To satisfy the voltage control and the isolation between Grid To Vehicle (G2V), a three-phase transformer has been exploited within the DC/DC converter. The primary output circuit achieved the charge levels one and two, while the whole circuit output can charge level three or the DC charge. For efficient and secure battery charging, voltageoriented control (VOC) technique is proposed. The unity power factor for the PWM-based rectifier and SPWM are designed and evaluated using MATLAB/Simulink block sets. The total harmonic distortion (THD) for the input current is less than 5%, while the overall simulation-based efficiency is more than 97%. A prototype and simulation results validate that the proposed EV charger is robust, accurate, and applicable.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.1166/jctn.2017.6881
Publisher: American Scientific Publishers
Keywords: Electric vehicle charger; Off board charging; On-board; Voltage-oriented control
Depositing User: Nida Hidayati Ghazali
Date Deposited: 05 Sep 2018 15:45
Last Modified: 05 Sep 2018 15:45
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1166/jctn.2017.6881
URI: http://psasir.upm.edu.my/id/eprint/61298
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