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Strong coupling optimization with planar spiral resonators

Klein, Avraham ; Katz, Nadav

Current Applied Physics, 2011, 11(5), , pp.1188-1191 [Periódico revisado por pares]

Elsevier B.V

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  • Título:
    Strong coupling optimization with planar spiral resonators
  • Autor: Klein, Avraham ; Katz, Nadav
  • Assuntos: Design engineering ; Electromagnetic devices ; Joining ; materials ; Mathematical models ; Optimization ; physics ; Power transfer ; Resonant coupling ; Resonators ; Spirals ; Wireless power transfer ; 물리학
  • É parte de: Current Applied Physics, 2011, 11(5), , pp.1188-1191
  • Notas: http://dx.doi.org/10.1016/j.cap.2011.02.017
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    G704-001115.2011.11.5.002
  • Descrição: Planar spirals offer a highly scalable geometry appropriate for wireless power transfer via strongly coupled inductive resonators. We numerically derive a set of geometric scale and material independent coupling terms, and analyze a simple model to identify design considerations for a variety of different materials. We use our model to fabricate integrated planar resonators of handheld sizes, and optimize them to achieve high-Q factors, comparable to much larger systems, and strong coupling over significant distances with approximately constant efficiency. ► Coupled planar spirals are a highly scalable design for Wireless Power Transfer. ► We numerically derive scale and material independent coupling terms. ► Optimized designs obtained from coupling terms and spiral model. ► We build high quality handheld size coupled spirals. ► Power transfer efficiency roughly constant in strong coupling regime.
  • Editor: Elsevier B.V
  • Idioma: Inglês;Coreano
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