Construction and Testing of A Wireless Power Transmitter
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Abstract
The purpose of the article is to study factors that affected and developed the wireless power transfer system. The system consists of a high-frequency generator and a half-bridge converter. The experiment used the calculated resonance frequency is 49.2kHz. The loads use LED bulbs, LED 12V/12W, and LED 12V/4W. The experiment results, the voltage and current of LED 12V/12W illuminated are 7.08V, and 10mA at 19cm. The LED 12V/4W illuminated are 7.40V and 10mA at 20cm. The wireless power transmitter's performance depends on the pitch between the transmitter and receiver coil, where the frequency range that provides the best electric efficiency is the resonant frequency range.
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References
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