Eteng, A. A. and Rahim, S. K. A. and Leow, C. Y. and Chew, B. W. and Vandenbosch, G. A. E. (2016) Simple compensation for lateral misalignments in resonant inductive coupling links. Electronics Letters, 52 (11). pp. 954-956. ISSN 0013-5194
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Abstract
This Letter describes a simple compensation method to reduce the transfer efficiency variation in a resonant inductive coupling (RIC) wireless power transfer link subject to lateral misalignment. The technique is based on impedance matching an RIC link such that the link operates at either over-coupling or critical coupling within the extents of lateral misalignment. Applying the method in a test scenario led to a reduction in the range of obtained transfer efficiency values, from 45% of peak value in a conventional arrangement, to 5%. The proposed method has a potential for application in the design of free-positioning planar wireless chargers.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Alignment, Efficiency, Electromagnetic coupling, Electromagnetic induction, Compensation method, Critical coupling, Lateral misalignment, Over couplings, Resonant inductive couplings, Test scenario, Transfer efficiency, Wireless power transfer, Inductive power transmission |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering |
| ID Code: | 72524 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 28 Nov 2017 04:10 |
| Last Modified: | 28 Nov 2017 04:10 |
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