Abstract
This study presents an inductive power transfer (IPT) system for electric vehicles (EVs) based on EE-shaped ferrite cores. The issues of the IPT system such as efficiency, air gap, displacement, dislocation, and motion are discussed. Furthermore, finite element analysis software is utilized to simulate the IPT system operated under large air gap conditions. Simulation and measurement results are presented to validate the performance of the proposed scheme and meet the requirements for bus-stop-powered EVs.
Highlights
As the air pollution problems caused by gasoline-powered vehicles have become more and more serious, electric vehicles (EVs) [1,2,3] or hybrid EVs have been regarded as good solutions and gained increasing attention
Figure response of the inductive power transfer (IPT) system basedbased on EE-shaped cores with varied air gap
The measurement results of the secondary parallel resonant (SP) topology IPT system is decreased as air gap increased
Summary
As the air pollution problems caused by gasoline-powered vehicles have become more and more serious, electric vehicles (EVs) [1,2,3] or hybrid EVs have been regarded as good solutions and gained increasing attention. This study would like to present the inductive power transfer (IPT) system [9,10,11,12,13] for bus-stop-powered EVs [14] with much less cost than the roadway-powered EVs system. The multi-H-bridge inverters are utilized to increase the transfer power and efficiency of the IPT system. IPT receiver is utilized to charge up battery or supply power to motor through the inverter. The IPT system for moving EVs or hybrid EVs is convenient for charging up battery and could extend driving range. The position regulation sensors of the IPT system are utilized to control the operation of multi-H-bridge inverters and improve the efficiency of the IPT system
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