Design and simulation of a rectangular planar printed circuit board coil for nuclear magnetic resonance, radio frequency energy harvesting, and wireless power transfer devices

Author:

Noohi Mostafa1ORCID,Pourmand Adel123ORCID,Badri Ghavifekr Habib1,Mirvakili Ali4

Affiliation:

1. Faculty of Electrical Engineering Sahand University of Technology Tabriz Iran

2. Institute for Polymer Materials Sahand University of Technology Tabriz Iran

3. Tissue Engineering and Stem Cells Research Center Sahand University of Technology Tabriz Iran

4. Department of Electrical Engineering Yazd University Yazd Iran

Abstract

AbstractIn this study, a planar printed circuit board (PCB) coil with FR4 substrate was designed and simulated using the finite element method, and the results were analyzed in the frequency domain. This coil can be used in wireless power transfer (WPT) as a transmitter or receiver, eliminating wires. It can also be used as the receiver in radio frequency energy‐harvesting (RF‐EH) systems by optimizing the planar PCB coil to convert radio‐wave energy into electricity, and it can be employed as an excitation (transmitter) or receiver coil in nuclear magnetic resonance (NMR) spectroscopy. This PCB coil can replace the conventional coil, yielding a reduced occupied volume, a fine‐tuned design, reduced weight, and increased efficiency. Based on the calculated gain, power, and electromagnetic and electric field results, this planar PCB coil can be implemented in WPT, NMR spectroscopy, and RF‐EH devices with minor changes. In applications such as NMR spectroscopy, it can be used as a transceiver planar PCB coil. In this design, at frequencies of 915 MHz and 40 MHz with 5 mm between coils, we received powers of 287.3 W and 480  W, respectively, which are suitable for an NMR coil or RF‐EH system.

Publisher

Wiley

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