Implementation of Wireless Charging for Electronic Gadgets

The use of coils for wireless charging could relieve people from cumbersome wires. A variety of studies are now being conducted to improve the effectiveness of wireless charging. The goal of research is to increase the transfer power efficiency while also extending distance between transmitter and receiver coils. The fundamental idea behind this project is about the development of wireless power transmission system and charging in order to do eliminate the use of traditional copper cables and current-carrying wires. The transmitter coil and receiver coils are designed with 150 and 180 turns respectively using 26-gauge copper wires. The proposed WPT scheme used magnetic-field resonance coupling for high power transfer efficiency. Design of a full-bridge rectifier and a low-dropout regulator (LDO) makes a stable DC power for a voltage-controlled oscillator (VCO) on the primary circuit. At the nominal input condition, the input power is 30W and the received output power is around 23W having power transfer efficiency is 76.6%.