The gap between an electric vehicle's (EV) transmitter and receiver coils during wireless power transfer (WPT) affects six parameters: Coupling coefficient Mutual inductance Alignment sensitivity Magnetic field strength Resonant … [Read more...]
What are the basic compensation topologies for wireless power transfer in EVs?
Compensation in wireless power transfer (WPT) refers to using additional circuit elements to counteract the reactive power in the charging system. Simple compensation topologies are S or P-type, while basic compensation topologies include SS, SP, PS, … [Read more...]
What are the basics of wireless energy transfer for EVs?
An electric vehicle (EV) can be conveniently charged while parked over a wireless charger without plugging in a cable. It’s also possible to dynamically charge while driving if the vehicle has a wireless electric road system. Wireless power … [Read more...]
How wireless charging works in electric vehicles
Wireless charging allows an electric vehicle (EV) to be charged by parking it over a wireless charging pad containing an electrical coil that generates an alternating electromagnetic field when an electric current flows through it. The EV is equipped … [Read more...]
How can Wi-Fi 802.11n be used for wireless EV charging?
Proper alignment of an electric vehicle (EV) over a charging pad has been considered essential to efficiently wireless charge the vehicle. However, wireless communication between the EV and the charging station is equally vital for proper charging. … [Read more...]
What is WEVCS wireless charging?
Electric vehicles (EVs) are shaping the future of mobility, as nearly all EVs are more economical than those that run on gasoline. In fact, more electric vehicles are expected to be on the road than fossil fuel cars by 2030. Most EVs range from … [Read more...]