FEM simulation of a wireless charger, showing the distribution of magnetic flux lines and magnetic flux leakage around the primary and secondary coils and magnetic cores. Various widths of magnetic materials are used for transmitter (bottom), and the layers of receiver (top).
This image is included here courtesy of: Dave Cook, Rail Propulsion Systems, https://railpropulsion.com/ (2022-02-21).
Layered flexible materials: DMEGC, Soft Magnetic Business Un, DMEGC material for Wireless Charging, https://www.dmegc.de, accessed 2022-04-24
 The results were generated with the software Finite Element Method Magnetics created by Dr David Meeker. |
leakage_and_fringing_flux_lines_in_wireless_charger_magnetica.png
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S. Zurek, Encyclopedia Magnetica, CC-BY-4.0
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