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True Class-E Design For Inductive Coupling Wireless Power Transfer Applications

Haeri, A. A. R ; Sharif University of Technology | 2022

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  1. Type of Document: Article
  2. DOI: 10.1109/ICEE55646.2022.9827227
  3. Publisher: Institute of Electrical and Electronics Engineers Inc , 2022
  4. Abstract:
  5. The Class-E power amplifier has been widely studied and formulated in the literature. Although the majority of reported inductive coupling wireless power transfer (WPT) systems use a class-E power amplifier for driving the primary coil, still there is a lack of a comprehensive study on class-E circuit dedicated to WPT, providing a set of closed form design equations for proper class-E operation. This paper presents the required design equations needed to design a 'true' class-E circuit for WPT applications. Equations for the series-tuned secondary coil WPT system are presented, as well as two different design procedures for the parallel-tuned secondary coil. The derived equations have been validated by simulation results. © 2022 IEEE
  6. Keywords:
  7. Electromagnetic coupling ; Electromagnetic induction ; Inductive power transmission ; Power amplifiers ; Class E ; Class E power amplifiers ; Closed form ; Design equation ; E-operations ; Form design ; Inductive couplings ; Power transfer systems ; Secondary coils ; System use ; Energy transfer
  8. Source: 30th International Conference on Electrical Engineering, ICEE 2022, 17 May 2022 through 19 May 2022 ; 2022 , Pages 864-868 ; 9781665480871 (ISBN)
  9. URL: https://ieeexplore.ieee.org/document/9827227