Variable-Frequency Retuned WPT System for Power Transfer and Efficiency Improvement in Dynamic EV Charging With Fixed Voltage Characteristic

A high efficiency and a constant voltage at the output stage are among the major concerns in wireless charging of dynamic electric vehicles. They are usually achieved by additional converters or asymmetric switching which suffer from high cost and hard switching. To overcome these drawbacks, a varia...

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Veröffentlicht in:	IEEE transactions on energy conversion 2021-09, Vol.36 (3), p.2141-2151
Hauptverfasser:	Babaki, Amir, Vaez-Zadeh, Sadegh, Zakerian, Ali, Covic, Grant A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Batteries Conduction losses Control methods Converters Coupling coefficients Couplings Dynamic wireless power transfer Efficiency Electric potential Electric vehicle charging Energy conversion efficiency Inductance maximum efficiency optimum frequency Resonant frequency retuned circuit soft switching Switches Switching Vehicle dynamics Voltage Windings Wireless power transmission
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