J. Xiang, C. Jiang, Tianlu Ma, Xiaosheng Wang, Bo Luo, Li Fang
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A Comparison of Advanced IPT Systems with Nanocrystalline and Ferrite Cores for Wireless EV Charging
Wireless power transfer (WPT) is one of the global highlight techniques with the rapid development of electric vehicles (EV). Currently, inductive power transfer (IPT) for EV charging faces the efficiency problem caused by the low saturation flux in the ferrite core bars. The nanocrystalline ribbon core is an advisable choice for the features of a high saturation flux and low power loss. In this paper, a double-D pads coupler with nanocrystalline core enhanced and ferrite TDK PC40 core will be detailed analyzed and compared regarding the magnetic field flux density, the air flux leakage around the vehicle body, the power loss distribution, and the magnetic shielding for wireless EV charging.
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