A HYBRID BI-DIRECTIONAL WIRELESS EV CHARGING
SYSTEM TOLERANT TO PAD MISALIGNMENT
ABSTRACT:
Electric vehicles (EVs) are becoming increasingly popular as a means of
future transport for sustainable living. However, wireless charging of EVs
poses a number of challenges related to interoperability, safety, pad
misalignment etc. In particular, pad-misalignments invariably cause changes in
system parameters which in turn lead to increase in losses as well as reduction
in power throughput, making the charging process long and inefficient.
Consequently, wireless charging systems that are less sensitive to
pad-misalignments have become preferable. This paper, therefore, presents a
hybrid Wireless Power Transfer (WPT) system that charges EVs at constant rate
despite large misalignments between charging pads. The proposed charging system
uses a combination of two different resonant networks to realize a constant and
efficient charging process. A mathematical model is also
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