This paper proposes a new structure of a parallel plate capacitive coupler for wireless power transfer. The structure has a transmission electrode sandwiched between the reception electrodes. It alleviates unwanted degradation in power transfer efficiency even when the reception electrodes move from their original positions. Simulation results show that the coupler maintains 90.1 % or higher in power transfer efficiency when the electrodes move within +/- 30 % of total sandwich space. This is 69.9 points higher than a conventional coupler having the same dimension. The new structure can contribute to the development of future high operation rate automatic guided vehicles working in factory automation.
Sandwiched parallel plate capacitive coupler for wireless power transfer tolerant of electrode displacement
2017-03-01
272092 byte
Conference paper
Electronic Resource
English
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