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| Content Provider | IET Digital Library |
|---|---|
| Author | Park, Jae Hyun Park, Byung Chul Ryu, Young Ho Park, Eun Seok Lee, Jeong Hae |
| Abstract | A mu-zero resonator with an effective zero permeability is presented for efficient wireless power transfer (WPT) using resonant inductive coupling (RIC). An N-cell mu-zero resonator is modified to maintain a fixed size and resonance frequencies that are important design factors of WPT using RIC because they are related to the magnetic coupling coefficient and Q-factor. The resonator has many resonant modes with the extraordinary phenomena of metamaterials such as an infinite wavelength wave and backward-wave propagation. An analysis of the resonant modes and a design of the N-cell mu-zero resonator is performed by theory and full-wave simulation based on a dispersion diagram and magnetic field distribution. The power transfer efficiencies of one-cell and two-cell mu-zero resonators are simulated and measured. To optimise the transfer efficiency of the WPT system using the mu-zero resonance (MZR) mode, which supports stronger coupling than the other modes, an equivalent circuit of mu-zero resonator is analysed for a high Q-factor. The theoretical, simulated, and measured results of a one-cell resonator with optimum values confirm that an efficient WPT system can be successfully designed by the MZR mode. |
| Starting Page | 912 |
| Ending Page | 920 |
| Page Count | 9 |
| ISSN | 17518725 |
| Volume Number | 8 |
| e-ISSN | 17518733 |
| Issue Number | Issue 12, Sep (2014) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-map/8/12 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-map.2013.0387 |
| Journal | IET Microwaves, Antennas & Propagation |
| Publisher Date | 2014-04-25 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Backward-wave Propagation Dispersion Diagram Full-wave Simulation Inductive Power Transmission Infinite Wavelength Wave Magnetic Coupling Coefficient Magnetic Field Distribution Metamaterial Modified Mu-zero Resonator Mu-zero Resonance Mode MZR Mode N-cell Mu-zero Resonator One-cell Mu-zero Resonator Other Power Transmission Power Transfer Efficiency Q Factor Resonant Inductive Coupling Resonator Two-cell Mu-zero Resonator Wireless Power Transfer System WPT System Zero Permeability |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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