High-Q flexible spiral inductive coils

@article{Ng2010HighQFS,
  title={High-Q flexible spiral inductive coils},
  author={David C. Ng and Clive S. Boyd and Shun Bai and Gordana Klaric Felic and Mark E. Halpern and Efstratios Skafidas},
  journal={2010 Electromagnetic Compatibility Symposium - Melbourne},
  year={2010},
  pages={1-4}
}
A limitation on the optimal design of inductive coils for wireless power transfer is its physical size. We investigated the effect of varying width and spacing of conductive trace of spiral inductive coils in order to improve its quality factor and hence power transfer efficiency between two coils. These spiral coils have inner and outer diameter of 23 mm and 36.5 mm, respectively. We found that for the same number of turns, quality factor Q increases with an increase in spacing. This is… CONTINUE READING
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