Abstract
We present a wireless power transfer (WPT) system for wireless sensor system applications on ship propulsion shaft. The WPT system utilized an inductive coupling transmitter and receiver module. Arrangement of multiple transmit and receive coils is proposed for seamless power supply to a high-speed rotating shaft. Number of the receiver and transmitter coil is optimized in terms of transferred voltage in the receiver terminal. Four receiver and six transmitter coils are attached on the rotating shaft and are mounted on the fixture made by the 3D printer, respectively. Transferred voltage performance is characterized in terms of the rotating speed of the shaft and the distance between the receiver and transmitter coils.
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