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The efficient and stable charging of electric vehicle batteries: simplified instantaneous regulation

Madeiros, Rui; Valtchev, Stanimir S.; Valtchev, Svilen S.

Technological Innovation for Value Creation: IFIP Advances in Information and Communication Technology, IFIP Advances in Information and Communication Technology, Springer Berlin Heidelberg, 372 (2012), 363-374

The future charging of the growing fleet of Electric Vehicles (EV) requires new solutions that guarantee a better efficiency and widely spread chargers. Both in fast charging and in slow charging of the electric vehicle (EV) and hybrid electric vehicle (HEV), the wireless charger is the better choice. The wired charger is limited by its cabling and relatively lower output voltage, while the contactless charger can be more universal and safe. What rests to be discovered is the more efficient energy transfer that would have a stable operation. The strategy is based on guaranteeing the correct portion of energy transported by the resonant tank to the load. Some results are shown from this implementation of the instantaneous energy control.