The Design Of Inductive Power Transfer For Fish Aquarium System Using Class-E Inverter

Lee, Rachel Kei En (2019) The Design Of Inductive Power Transfer For Fish Aquarium System Using Class-E Inverter. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

Text (24 Pages) The Design Of Inductive Power Transfer For Fish Aquarium System Using Class-E Inverter.pdf - Submitted Version Download (3MB)

Abstract

Nowadays, the accessories in fish aquarium system such as water pump, internal filter, LED light and so on are powered using cables. By using cables will causes to safety issue such as wire might tangled, and risk of electric shock is high. Therefore, solving the problem by suggested wireless power transfer (WPT) technology to power up the accessories of the fish aquarium system. To be more specific, inductive power transfer (IPT) is used in this project compare to capacitive power transfer (CPT) due to more convenience and more safety. Class E inverter designed to convert the DC to AC. The inverter provides low switching loss because the project runs at high frequency, lMHz operating frequency. Therefore, an IPT system with high efficiency which can power up two receivers at the same time by using Class E inverter for transmitter has been designed and fabricated . Impedance matching is added into receiver part enhance the efficiency of overall circuit. The analyses are done based on the distance between the coils and the misalignment of the coils against the output power and efficiency. The developed prototype is supplied at 24V in direct current and capable to deliver 5W power. The overall efficiency of the prototype is 87.81 % which is higher than ex~ected 60% .

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