Double-Loop Coil Design for Wireless Power Transfer to Embedded Sensors on Spindles

Suiyu Chen; Yongmin Yang; Yanting Luo

Double-Loop Coil Design for Wireless Power Transfer to Embedded Sensors on Spindles

Suiyu Chen

Yongmin Yang

Yanting Luo

Vol. 19, No. 2, pp. 602-611, Mar. 2019

10.6113/JPE.2019.19.2.602

Embedded sensors

Magnetic resonant coupled

Spindle

WPT

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Abstract

The major drawbacks of magnetic resonant coupled wireless power transfer (WPT) to the embedded sensors on spindles are transmission instability and low efficiency of the transmission. This paper proposes a novel double-loop coil design for wirelessly charging embedded sensors. Theoretical and finite-element analyses show that the proposed coil has good transmission performance. In addition, the power transmission capability of the double-loop coil can be improved by reducing the radius difference and width difference of the transmitter and receiver. It has been demonstrated by analysis and practical experiments that a magnetic resonant coupled WPT system using the double-loop coil can provide a stable and efficient power transmission to embedded sensors.

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Cite this article

[IEEE Style]

S. Chen, Y. Yang, Y. Luo, "Double-Loop Coil Design for Wireless Power Transfer to Embedded Sensors on Spindles," Journal of Power Electronics, vol. 19, no. 2, pp. 602-611, 2019. DOI: 10.6113/JPE.2019.19.2.602.

[ACM Style]

Suiyu Chen, Yongmin Yang, and Yanting Luo. 2019. Double-Loop Coil Design for Wireless Power Transfer to Embedded Sensors on Spindles. Journal of Power Electronics, 19, 2, (2019), 602-611. DOI: 10.6113/JPE.2019.19.2.602.