Design Of Capacitive Power Transfer For Electric Vehicle Charging

Yusoff, Jannatul Firdaus (2019) Design Of Capacitive Power Transfer For Electric Vehicle Charging. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This thesis is present the development of Wireless Power Transfer (WPT) for electric vehicle charging by using a capacitive approach. Capacitive Power Transfer (CPT) system is the technology which uses a capacitive coupler as a medium for transferring the electrical energy from the transmitter side to the receiver side. This system getting popular among researchers nowadays due to the advantages of this system in addressing the problem faced by one of the most well-known systems in WPT technology which is Inductive Power Transfer (IPT) system. Basically, the purpose of this project is to develop a CPT system by implementing a Class-E inverter with the combination of the LCCL impedance matching network. The reason for using Class-E LCCL inverter is due to maximum power transfer and high efficiency. Therefore, the analysis had been conducted to observe the effect of the ZVS condition, the input power, the output power, and the efficiency of the CPT system with the variation of load and coupling gap. All the circuits and results have been verified through simulation and been validated through experimental with the parameter of 24Vdc input voltage, 10W input power, 1MHz operating frequency, 0.5 duty cycle, and 1mm distance coupling gap. Finally, all the result from the simulation and the experimental prototype for electric vehicle charging has been recorded.

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