Capacitive Power Transfer System For Aquarium Apparatus

Abdul Malek, Mas Nurul Najihah (2019) Capacitive Power Transfer System For Aquarium Apparatus. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project presents the design and development of Capacitive Power Transfer (CPT) system, which is one of the wireless power transfer (WPT) technology that offer many benefit than the other WPT technology. This is due to the CPT benefits of simple topology, fewer components that can help EMI perform better and robustness to surrounding metallic elements. In this work, CPT technology is proposed to provide contactless power supply for apparatus in an aquarium such as lighting and motor pump. Firstly, this project begins by analysing the Class-E inverter to generate high power frequency ac power source to drive the CPT system. Secondly, because of the sensitivity of the Class-E to the load variations, Class-E was combined together with LCCL impedance matching circuit to preserve ZVS condition for wider load-range changes. Thirdly, the performance of the proposed topology were analyses in term of switching losses, input power, output power and dc-dc efficiency. Lastly, a 10W power output for supplying power to apparatus aquarium was constructed to verify the proposed circuit. The best performance for this project has demonstrated 92% efficiency at 3mm working distance, which can be considered as an exceptional performance.

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