Inductor array for minimising transfer efficiency decrease of wireless power transmission components at misalignment

H. R. Ahn; M. S. Kim; Y. J. Kim

doi:10.1049/el.2013.4087

Inductor array for minimising transfer efficiency decrease of wireless power transmission components at misalignment

H. R. Ahn, M. S. Kim, Y. J. Kim

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

A secondary coil design is reported for the stable transmission of wireless power in a misalignment situation. A coil array is applied to a secondary coil instead of typical single coil. When a misalignment occurs, the misalignment distance between an individual coil in the array and the primary coil is decreased relatively. Therefore, the sudden reduction in the inductive wireless power transmission (WPT) efficiency is mitigated. When the fabricated coil array transmits power, the maximum WPT efficiency improves by 56.45% compared with the typical single coil. The frequency band of the proposed array is wider, and this system can stably transmit power.

Original language	English
Pages (from-to)	393-394
Number of pages	2
Journal	Electronics Letters
Volume	50
Issue number	5
DOIs	https://doi.org/10.1049/el.2013.4087
Publication status	Published - 2014 Feb 27

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

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10.1049/el.2013.4087

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abstract = "A secondary coil design is reported for the stable transmission of wireless power in a misalignment situation. A coil array is applied to a secondary coil instead of typical single coil. When a misalignment occurs, the misalignment distance between an individual coil in the array and the primary coil is decreased relatively. Therefore, the sudden reduction in the inductive wireless power transmission (WPT) efficiency is mitigated. When the fabricated coil array transmits power, the maximum WPT efficiency improves by 56.45% compared with the typical single coil. The frequency band of the proposed array is wider, and this system can stably transmit power.",

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AB - A secondary coil design is reported for the stable transmission of wireless power in a misalignment situation. A coil array is applied to a secondary coil instead of typical single coil. When a misalignment occurs, the misalignment distance between an individual coil in the array and the primary coil is decreased relatively. Therefore, the sudden reduction in the inductive wireless power transmission (WPT) efficiency is mitigated. When the fabricated coil array transmits power, the maximum WPT efficiency improves by 56.45% compared with the typical single coil. The frequency band of the proposed array is wider, and this system can stably transmit power.

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Inductor array for minimising transfer efficiency decrease of wireless power transmission components at misalignment

Abstract

All Science Journal Classification (ASJC) codes

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