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http://dx.doi.org/10.5370/JEET.2013.8.5.1122

Controller Design for a Quick Charger System Suitable for Electric Vehicles  

Jeong, Hae-Gwang (Dept. of Electrical and Computer Engineering, Ajou University)
Lee, Kyo-Beum (Dept. of Electrical and Computer Engineering, Ajou University)
Publication Information
Journal of Electrical Engineering and Technology / v.8, no.5, 2013 , pp. 1122-1130 More about this Journal
Abstract
This paper proposes a new design for quick battery charger systems for electric vehicles that consists of a three-phase inverter and a full-bridge converter which use the phase-shift method. The 3-phase inverter controls the input and DC-link voltage by use of a current controller and a voltage controller. The full-bridge converter transfers the DC-link voltage to a fixed output voltage. Designs for the output-side converter and controller for improved performance are proposed in this paper. Design schemes for the filter and controller of an input-side inverter are also presented. Furthermore, the paper proposes a compensation method for the offset current that is caused by switch failure and circuit problems. Simulations and experiments have been performed on a 50kW-battery charger system that is suitable for vehicles. The presented results verify the validity of the proposed method and the superiority of the system over conventional methods.
Keywords
Quick battery charger; Type-2 controller; Notch filter; LCL filter;
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Times Cited By KSCI : 4  (Citation Analysis)
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