A Comparati`ve Study of Resonant Frequency Calculation Based on Leakage-Inductance and Self-Inductance for CET System

Atraqchi, Zakarya A.; Ameen, Yasir M. Y.; Younis, Ahmad

doi:10.1109/irec52758.2021.9624790

Cited by 3 publications

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Wireless power transfer (WPT) has emerged as a promising technology for powering electronic devices without needing physical connections or batteries [1][2][3][4][5]. One of the critical components of a WPT system is the coupling element, which transfers energy from the primary coil to the secondary coil.

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confidence: 99%

Ferrite shielding thickness and its effect on electromagnetic parameters in wireless power transfer for electric vehicles (EVs)

Yadav,

Bera

2023

J. Eng. Appl. Sci.

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Wireless power transfer (WPT) has become an increasingly popular technology for charging electronic devices wirelessly. One of the key challenges in WPT is increasing efficiency and reducing different losses in coils caused by the higher air gap and coil coupling between the primary and secondary coils. Ferrite shielding is a common technique used to reduce losses and increase the coupling in WPT systems. In this paper, we present an analysis and comparison study of the effect of ferrite shielding thickness ($$F_T$$ F T ) on the electromagnetic parameters of WPT systems. We investigate the impact of varying the ferrite shielding thickness on parameters such as power transfer efficiency, coupling coefficient (k), and magnetic field strength (B). Our results show that increasing the ferrite shielding thickness can significantly reduce losses and improve the performance of WPT systems. Also, analyze the trade-off between ferrite shielding thickness and power transfer efficiency and provide guidelines for selecting an optimal thickness for a given application. This study provides valuable insights into the design and optimization with weight vs. coupling comparison for WPT systems using ferrite shielding. It can help inform the development of future WPT technologies. The result obtained through simulation, i.e., coil-to-coil efficiency, is 98.88 to 99.7360% at 6.78MHz frequency for a 5-mm- to 50-mm-thick ferrite rectangular coupler using ANSYS Maxwell and ANSYS simplorer software.

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