Analysis and Simulation of Misalignment Issues in Dynamic Wireless Charging for Electric Vehicles

It is well known that internal combustion (IC) engines-based vehicles driven by fossil fuels are one of the major contributors to global warming. The new technology that is capable to replace IC engine-based vehicles is the battery-operated vehicle, i.e., electric vehicle (EV) as well as vehicles driven by means of electricity. The major benefits of developing EV technologies are economic, environmental-friendly, and highly efficient than fuel vehicles. The biggest drawback of EVs over IC engines is the longer time needed to completely charge their batteries. The various methods to charge the EVs are wired charging and wireless charging. Wireless charging can be further classified as static, quasi-static, or quasi-dynamic, and dynamic wireless charging. This work focuses on misalignment issues in dynamic wireless charging (DWC). A 3-D analytical model of a circular helix coil is presented and simulated through computer-assisted-based simulation software, i.e., ANSYS MAXWELL 3-D. The various simulation results such as coupling coefficient, flux linkage, magnetic flux density, and mutual inductance with the variation of axis parameters are presented to validate the various misalignment issues.