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2021-12-29
Capacitive-Wireless Power Transfer System for Power Supply of a Wireless Sensor System on a Propulsion Shaft
By
Progress In Electromagnetics Research Letters, Vol. 102, 9-18, 2022
Abstract
We present a capacitive wireless power transfer (C-WPT) system using rotating capacitors for wireless sensor system (WSS) on propulsion shaft. In order to supply stable power to the WSS consisting of four sensors, a controller, and a radio module, we designed the rotating capacitor connected in parallel with multiple plates that minimizes the change in capacitance of the power coupling capacitor of the C-WPT system. A Class-E converter and transformers topology are utilized to drive the C-WPT system for WSS. The fabricated C-WPT system transmitted stable power even when the rotational speed of the shaft was changed from 100 to 300 revolution per minute (rpm), and achieved power of 20.48 W and transmission efficiency of 64.29%.
Citation
Van Ai Hoang Young Chul Lee , "Capacitive-Wireless Power Transfer System for Power Supply of a Wireless Sensor System on a Propulsion Shaft," Progress In Electromagnetics Research Letters, Vol. 102, 9-18, 2022.
doi:10.2528/PIERL21110301
http://www.jpier.org/PIERL/pier.php?paper=21110301
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