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Design and modeling of PCB coils for inductive power charging

Published online by Cambridge University Press:  13 November 2015

Guillaume Vigneau*
Affiliation:
Continental Automotive SAS France, Toulouse, France CNRS, LAAS, 7 avenue du colonel -*Roche, 31400 Toulouse, France Université de Toulouse, UPS, LAAS, 31400 Toulouse, France
Mohamed Cheikh
Affiliation:
Continental Automotive SAS France, Toulouse, France
Rachid Benbouhout
Affiliation:
Continental Automotive SAS France, Toulouse, France
Alexandru Takacs
Affiliation:
CNRS, LAAS, 7 avenue du colonel -*Roche, 31400 Toulouse, France Université de Toulouse, UPS, LAAS, 31400 Toulouse, France
*
Corresponding author: G. Vigneau Email: guillaume.vigneau@continental-corporation.com
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Abstract

This article presents a modeling and parametric investigation of printed circuit board (PCB) coils used in inductive power charging systems by using intensive full-wave electromagnetic simulations. Low frequencies applications (below 1 MHz) are targeted. The proposed modeling approach and design methodology are validated for wireless power transfer systems including transmitting (Tx) and receiving (Rx) coils. The impact of ferrite materials used for shielding and efficiency improvement is also analyzed. Optimized PCB coils allowing a theoretical efficiency of 88.7% at 100 kHz and 98.5% at 1 MHz confirms that PCB coils are appropriate for wireless power transfer at such frequencies.

Type
Research Article
Copyright
Copyright © Cambridge University Press 2015 

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References

REFERENCES

[1] Ryan, S.: The World Market for Wireless Power, 2014 edn. IHS Technology, 2014. https://technology.ihs.com.Google Scholar
[2] Chen, Z.D.; Kawasaki, S.; Carvalho, N.B.: Wireless power transmission—the last cut of wires. IEEE Microw. Mag., 14 (2) (2013), 2224.Google Scholar
[3] Flynn, B.W.; Fotopoulou, K.: Rectifying loose coils wireless power transfer in loosely coupled inductive links with lateral and angular misalignment. IEEE Microw. Mag., 14 (2) (2013), 4854.CrossRefGoogle Scholar
[4] Mayordomo, I.; Dräger, T.; Spies, P.; Bernhard, J.; Pflaum, A.: An overview of technical challenges and advances of inductive wireless power transmission. Proc. IEEE, 101 (6) (2013), 13021311.Google Scholar
[5] Dickinson, R.M.: Power in the sky requirements for microwave wireless power beamers for powering high-altitude platform. IEEE Microw. Mag., 14 (2) (2013), 3647.Google Scholar
[6] Popovic, Z.: Cut the cord low-power far-field wireless powering. IEEE Microw. Mag., 14 (2) (2013) 5562.Google Scholar
[7] Tang, S.C.; (Ron) Hui, S.Y.; Shu-Hung Chung, H.: Characterization of coreless printed circuit board (PCB) transformers. IEEE Trans. Power Electron., 15 (6) (2000), 931941.Google Scholar
[8] Su, Y.; Liu, X.; Kwan Lee, C.; (Ron) Hui, S.Y.: On the relationship of quality factor and hollow winding structure of coreless printed spiral winding (CPSW) inductor. IEEE Trans. Power Electron., 27 (6) (2012), 30503056.Google Scholar
[9] Matias, R.; Cunha, B.; Martins, R.: Modeling inductive coupling for wireless power transfer to integrated circuit. IEEE Wireless Power Tranf. (2013), 198201. doi:10.1109/WPT.2013.6556917.Google Scholar
[10] Konno, S.; Yamammoto, T.; Koshiji, K.: Improvement of coupling coefficient by designing a spiral pattern formed on a printed circuit board. IEEE Wireless Power Transf. (2013), 167170. doi:10.1109/WPT.2013.6556909.Google Scholar
[11] Ng, D.C.; Boyd, C.; Bai, S.; Felic, G.; Halpern, M.; Skafidas, E.: High-Q flexible spiral inductive coils, in IEEE Electromagnetic Compatibility Symp., September 2010, 14.Google Scholar
[12] Jow, U-M.; Ghovanloo, M.: Design and optimization of printed spiral coils for efficient transcutaneous inductive power transmission. IEEE Trans. Biomed. Circuits Syst., 1 (3) (2007), 193202.CrossRefGoogle Scholar
[13] Wielandt, S.; Stevens, N.: Influence of magnetic design choices on the quality factor of off-the-shelf wireless power transmitter and receiver coils. IEEE Wireless Power Transf. (2013), 151154. doi:10.1109/WPT.2013.6556905.Google Scholar
[14] Pinuela, M.; Yates, D.C.; Lucyszyn, S.; Mitcheson, P.D.: Maximizing DC to load efficiency for inductive power transfer. IEEE Trans. Power Electron., 28 (5) (2012), 24372447.Google Scholar
[15] Ko, W.H.; Liang, S.P.; Fung, C.D.F.: Design of radio-frequency powered coils for implants instruments. Med. Biol. Eng. Comput., 15 (1977), 634640.Google Scholar
[16]“System description wireless power transfer,” Version 1.1.1, Wireless Power Consortium, July 2012.Google Scholar
[17] Wheeler, H.A.: Simple inductance formulas for radio coils. Proc. IRE, 16 (10) (1928), 13981400.Google Scholar
[18]Wireless Power Consortium Low Power specifications. http://www.wirelesspowerconsortium.com/developers/specification.html Google Scholar
[19] Ahuir, J.V.: Going Wireless with Magnetic Shielding. Application note, Würth Elektronik, 2013.Google Scholar
[20] Pramanik, A.: Electromagnetism: Theory and Applications, PHI Learning Pvt. Ltd, New Delhi, 2008.Google Scholar
[22]Continental Automotive France SAS – 1 avenue Paul Ourliac – BP83649 – 31036 Toulouse Cedex 1 – France.Google Scholar
[23]Association Nationale de la Recherche et de la Technologie – 41 boulevard des Capucines – 75002 Paris. http://www.anrt.asso.fr/ Google Scholar