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Analysis of the Parameters Affecting the Efficiency of the Wireless Power Transmission System Designed for New Generation Electric Vehicles

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Abstract

In magnetic resonance coupled wireless power transfer (WPT) systems, parameters were investigated in the WPT system to ensure maximum power transfer under the conditions of changing the distance between the receive coil and the transmit coil. When the distance between the transceiver coils is changed, the inductances of the system and the coupling coefficient for maximum power transfer were calculated with Maxwell-3D, which performed a solution based on the finite element method (FEM). In addition, the effect of the distance variation between the transmitter and receiver coils, the coupling coefficient (k) values, on the input inductance and power transmission was investigated. In the model developed in the ANSYS-Maxwell environment, it has been observed that the variation of the input inductance depending on the distance and therefore the common inductance between the transmitter and receiver coils can be analyzed. In addition, the effect of the coupling factor (k) on the WPT system has also been demonstrated. It has been shown that maximum power transfer can be sustained in WPT systems where the distance between the receive coil and the transmit coil varies within certain limits. Finally, the efficiency of the transformer for a close distance between the coils was also tested experimentally.

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Abbreviations

A:

area, m2

λ :

flux

ϕ :

vector potential

k :

coupling coefficient

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Authors and Affiliations

  1. Silvan Vocational School, Electrical Department, Dicle University, Diyarbakır, 21000, Turkey

    Yıldırım Özüpak

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  1. Yıldırım Özüpak
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Correspondence to Yıldırım Özüpak.

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Özüpak, Y. Analysis of the Parameters Affecting the Efficiency of the Wireless Power Transmission System Designed for New Generation Electric Vehicles. Int.J Automot. Technol. 24, 1675–1680 (2023). https://doi.org/10.1007/s12239-023-0135-1

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  • DOI: https://doi.org/10.1007/s12239-023-0135-1

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