期刊
JOURNAL OF POWER ELECTRONICS
卷 15, 期 4, 页码 987-993出版社
KOREAN INST POWER ELECTRONICS
DOI: 10.6113/JPE.2015.15.4.987
关键词
6.78Mz; Capacitive Coupling Power Transfer; Class D inverter; Wireless Power Transfer
资金
- Daegu University Research Grant
Wireless power transfer technologies typically include inductive coupling, magnetic resonance, and capacitive coupling methods. Among these methods, capacitive coupling wireless power transfer (CCWPT) has been studied to overcome the drawbacks of other approaches. CCWPT has many advantages such as having a simple structure, low standing power loss, reduced electromagnetic interference (EMI) and the ability to transfer power through metal barriers. In this paper, the CCWPT system with 6.78MHz class D inverter is proposed and analyzed. The proposed system consists of a 6.78MHz class D inverter with a LC low pass filter, capacitor between a transmitter and a receiver, and impedance transformers. The system is verified with a prototype for charging mobile devices.
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