Development of smart wireless battery charging with charge monitor system

Raman, Venosha (2023) Development of smart wireless battery charging with charge monitor system. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The concept is a gadget that can wirelessly transmit electricity and assess battery charge instead of utilising standard copper connections and current carrying wires. It also wirelessly charges the battery till it reaches 100 percent capacity. This power is intended for short-distance transmission, including when charging battery packs. For demonstration reasons, we have a battery that operates on wireless power. AC 230V 50Hz is converted to AC 12V high frequency using an electrical circuit, which is then supplied to the primary coil of an air core transformer. The transformer's secondary coil provides 12V at a high frequency. The device also monitors the battery's charge and charges it until it reaches 100 percent capacity. Therefore, we employ a microcontroller from the AVR family that continuously monitors battery charges and mechanically charges the battery until it reaches 100 percent capacity, at which point it ceases charging the battery. As a consequence, power is passed from the main coil to the secondary coil, which is roughly 4cm apart. Through increasing the coil size, the range may be expanded. The main coil transmits electricity, while a secondary coil receives it to power a load. This project may be used to charge and monitor batteries in a number of devices and purposes, including battery powered scooters and cars.

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