The development of wireless power transfer technologies for mobile charging in vehicles using inductive approach

Suren, Gnanasegaran (2017) The development of wireless power transfer technologies for mobile charging in vehicles using inductive approach. Project Report. UTeM, Melaka,Malaysia. (Submitted)

Text (24 Pages) The development of wireless power transfer technologies for mobile charging in vehicles using inductive approach.pdf - Submitted Version Download (2MB)

Abstract

The rapid growth of technology has seen many changes in terms of devices manufactured.However,even though massive improvements are made,the current conventional method used for powering up devices still remain through wired connections.From hand held devices such as mobile devices need at least a backup power source to remain powered up.Thus,these scenarios have been overcome by the introduction of portable power banks and also portable chargers.However,these devices still depend on physical connections between the mobile device and the mentioned chargers.Thus,this project is to develop a wireless charger for a mobile device which can be used in a vehicle.Wireless Power Transfer (WPT) method is much safer compared to wired connections,as they eliminate the need of wired connections from the charger to the mobile device.The selected method is through Inductive Power Transfer (IPT),due to its advantages where it can transfer power wirelessly with a higher efficiency in a short range.To make this work,a Class E inverter will be designed to convert a direct current (DC) supply into alternating current (AC) supply at a higher frequency with a higher efficiency.To validate its efficiency,analysis on the gap distance between the two magnetic coils,transmitter and receiver,is performed.At the end of this project,the designed prototype is able to yield approximately 70 % in terms of efficiency. Keywords: Wireless Power Transfer (WPT),Inductive Power Transfer (WPT),Class E Inverter circuit,wireless mobile charger in vehicles,magnetic coils.

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