Journal
IEEE TRANSACTIONS ON POWER ELECTRONICS
Volume 29, Issue 9, Pages 4470-4474Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2014.2300866
Keywords
Inductive power; magnetic resonance; wireless power transfer
Categories
Funding
- Hong Kong Research Grant Council [HKU-712913E]
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Nonidentical current control methods for 2- and 3-D omnidirectional wireless power systems are described. The omnidirectional power transmitter enables ac magnetic flux to flow in all directions and coil receivers to pick up energy in any position in the proximity of the transmitter. It can be applied to wireless charging systems for low-power devices such as radio-frequency identification devices and sensors. Practical results on 2-D and 3-D systems have confirmed the omnidirectional power transfer capability.
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