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This paper focuses on the design of the magnetic coupler in the wireless charging system for electric vehicles. A solenoid type magnetic coupler is used for the better ability of magnetic coupling than the plate type magnetic coupler under the condition of mid-range wireless power transfer. The factors of coupling coefficient are analyzed in two kinds of ways, magnetic circuit theory and mutual inductance...
This paper present a method to estimate the output current or voltage in the primary-side of a two-transmitter inductive wireless power transfer system, which has been introduced to achieve the continuity of power transfer, without any direct measurement on the receiver coil and load conditions. The proposal can ensure the continuity and stability of charging in dynamic wireless power transfer system...
In this paper, a novel dynamic wireless power transfer system is designed for roadway EV powering application. Multiple LCL resonators are parallel connected in a high-power inverter and are turned on/off through vehicle positioning result. Compared to the conventional long-rail manner, firstly, the miniaturized transmitter can greatly reduce the electromagnetic radiation. Secondly, construction costs...
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