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Conference Paper: Study of displacement current effect for planar coils in layered medium
Title | Study of displacement current effect for planar coils in layered medium |
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Authors | |
Issue Date | 2014 |
Publisher | IEEE. The Journal's web site is located at http://www.ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000033 |
Citation | The IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Memphis, Tennessee, USA, 6–11 July 2014. In I E E E Antennas and Propagation Society. International Symposium. Digest, 2014, p. 422-423 How to Cite? |
Abstract | In this paper, a full-wave semi-analytical solution of self and mutual impedances for a coil-based system is proposed. It consists of two concentric circular coils with rectangular cross sections. Traditionally, the calculation of self and mutual impedances of these coils are based on eddy current approximation, where a simple background is assumed to achieve analytical and semi-analytical solutions. As the system operates at higher frequencies and with inhomogeneous media, the displacement current has to be taken into account. By deriving Maxwell's equations without eddy current assumption, the impedances of coils immersed in the layered medium can be obtained analytically. The results show a considerable discrepancy at sub-GHz frequencies, indicating the significant effect of displacement current at higher frequencies for a coil-based wireless power transfer link. |
Persistent Identifier | http://hdl.handle.net/10722/201207 |
ISBN | |
ISSN |
DC Field | Value | Language |
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dc.contributor.author | Li, Y | en_US |
dc.contributor.author | Sun, S | en_US |
dc.date.accessioned | 2014-08-21T07:18:13Z | - |
dc.date.available | 2014-08-21T07:18:13Z | - |
dc.date.issued | 2014 | en_US |
dc.identifier.citation | The IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Memphis, Tennessee, USA, 6–11 July 2014. In I E E E Antennas and Propagation Society. International Symposium. Digest, 2014, p. 422-423 | en_US |
dc.identifier.isbn | 9781479935383 | - |
dc.identifier.issn | 1522-3965 | - |
dc.identifier.uri | http://hdl.handle.net/10722/201207 | - |
dc.description.abstract | In this paper, a full-wave semi-analytical solution of self and mutual impedances for a coil-based system is proposed. It consists of two concentric circular coils with rectangular cross sections. Traditionally, the calculation of self and mutual impedances of these coils are based on eddy current approximation, where a simple background is assumed to achieve analytical and semi-analytical solutions. As the system operates at higher frequencies and with inhomogeneous media, the displacement current has to be taken into account. By deriving Maxwell's equations without eddy current assumption, the impedances of coils immersed in the layered medium can be obtained analytically. The results show a considerable discrepancy at sub-GHz frequencies, indicating the significant effect of displacement current at higher frequencies for a coil-based wireless power transfer link. | - |
dc.language | eng | en_US |
dc.publisher | IEEE. The Journal's web site is located at http://www.ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000033 | - |
dc.relation.ispartof | IEEE Antennas and Propagation Society. International Symposium. Digest | en_US |
dc.title | Study of displacement current effect for planar coils in layered medium | en_US |
dc.type | Conference_Paper | en_US |
dc.identifier.email | Sun, S: sunsheng@hku.hk | en_US |
dc.identifier.authority | Sun, S=rp01431 | en_US |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1109/APS.2014.6904543 | - |
dc.identifier.scopus | eid_2-s2.0-84907874612 | - |
dc.identifier.hkuros | 232184 | en_US |
dc.identifier.spage | 422 | - |
dc.identifier.epage | 423 | - |
dc.publisher.place | United States | - |
dc.customcontrol.immutable | sml 160108 - merged | - |
dc.identifier.issnl | 1522-3965 | - |