Wireless Power Transfer

From 2012 Automotive Simulation World Congress: Wireless power transfer is of special interest to electronics engineers who need to address usability and safety in designing charging technology. This technology started with small mobile devices such as cell phones and laptop PCs; it is now applied to automotive EV charging systems, which require larger power capacities in a very limited space. The key component is a loosely coupled transformer with large air gap needing coupled electromagnetic field analysis and circuit simulation for its design. The full solution of the wireless power transfer problem requires a systems-level approach with dynamically linked parameters between the circuit and 3-D magnetic FEA model. This presentation introduces wireless power transfer simulation using ANSYS Maxwell and ANSYS Simplorer, including a specific example of the magnetic resonance type used in electric vehicles.
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