The most promising mobile charging technology is probably inductive charging. Even though it has been developed mainly as a-stationary-alternative to conductive, plug-in charging, it can be used to charge vehicles moving on an electrified roadway. Whilst the onboard charger and the off-board charger are based on connecting an AC power source to the EV, inductive coupling is based on energy transfer from the power supply to the EV via a magnetic induction coupling using two electromagnetically linked coils. The primary coil is placed on the road surface, in a pad-like construction linked to the electricity network. The secondary coil is placed on the vehicle, ideally on the bottom of the car, at a safe distance from the passengers. Wireless charging of EVs provides convenience to the user in terms of not having to plug in using cables and the ability to wirelessly charge the cars even while driving. In the next lecture by Pavol Bauer, let us learn about the fundamentals of inductive wireless power transfer.

Learning goals:

1. 1. 1. 1. What are the advantages and disadvantages of wireless charging?
         2. What are the parts of an inductive wireless charging system?
         3. How does an inductive power transfer system work?