PR1599: HYBRID ENERGY STORAGE SYSTEM DESIGN FOR EFFICIENT FAST CHARGING OF ELECTRIC VEHICLES

TS DR LIEW HUI FANG Faculty Of Electrical Engineering & Technology, Universiti Malaysia Perlis (UniMAP), 02600 Arau, Per

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In recent years, electric cars (EV) or plug-in hybrid electric vehicles (PHEV) have been seen as potential competitors of traditional gasoline engine vehicles and as products that customers would be increasingly interested in purchasing. The existing power infrastructure is being put to the test by two factors which is increase in the demand for electricity generated by traditional power sources and the requirement for additional extraction brought on by the construction of EV and PHEV charging stations. Energy is stored in the system via a combination of three 18650 lithium-ion batteries that each have 3.7 V and 2000 mAh. per cell and four pieces of 3 V, 40 F supercapacitor. This configuration provides for a total of 2000 mAh. Then, the power electronics circuit, such as DC/DC buck boost converters and PWM charge controller, are used to govern the flow of power between the energy storage devices and the electric vehicle. The electric vehicle is powered by a lead-acid battery with a capacity of 12000 mAh. In this project, the charging system is under the control of an Arduino UNO R3 linked to an AVR Controller. MATLAB/Simulink and Proteus software are employed to analyze the system's performance and predict its effectiveness. The charging process results in a 57 minute charge period for the storage system (battery and supercapacitors) and a 4.74-hour charge period for the electric vehicle system. The output parameters include a voltage of 14.4 V and a current output of 2.5 A. This research holds significance as it addresses the issue of prolonged charging periods for electric cars, a barrier to their widespread adoption. By providing a quick and efficient charging solution, this study aims to contribute to the improvement of the practicality and accessibility of electric vehicles.