Wireless Power Transfer via Inductive Coupling

Aslina Abu Bakar, Azreme Idris, Ahmad Rashidy Razali, Mohamad Anuar Zakaria

Abstract


Various types of wireless power transfer method have been developed in recent years. This technology has eventually impacted the human life, especially the way they harvest the electrical energy resources. The most common and the first technology of wireless power created are known as inductive coupling method, which transfers power using magnetism process. This paper proposes the design of an oscillator that produces oscillation frequency at 1MHz for nearfield wireless power transfer, and it is applicable for a short range wireless power transmission only. In conjunction to that, this paper also presents a design of the resonator of an antenna using copper wire in transmitting and receiving the energy transfer for short range transmission of wireless power transfer. The proposed design uses the concept of pad charger where the coil is designed from a pancake coil properties known as flat circular coil. The coil acts as an antenna and magnetic coupled or electromagnetic induced such that when there are changes of current occur in one coil, it will induce the voltage at the other end of the coil, in which the wireless power is transferred between the transmitter and the receive. It can be concluded in this proposed method has the ability to successfully transfer the power between the transmitter and the receiver, even when some obstacles are placed between the coil antennas. Then, a rectifier was used at the receiver to convert the alternating received current to the direct current. The received power is measured to observe the variations at several distances.

Keywords


Wireless Power Transfer; Inductive Coupling;

Full Text:

PDF

References


World Health Organization, “Electromagnetic fields,” WHO Reginal Office for Europe, 1999.[Online]. Available: www.who.int/pehemf/about/WhatisEMF/en/index1.html.

Rokeya Jahan Mukti, NurPayara Begum, Ariful Islam, “Analysis of Medium Range Wireless Power Transfer System Using Magnetic Resonant Coupling”, IEEE 3rd International conference on informatics, electronics and vision 2014.

Norio Nomura, Yuji Aoyagi, Chao-kai Chang, Keita Asano, Yoshifumi Sekine, "A Colpitts-Type Crystal Oscillator for Gigahertz Frequency", International Frequency Control Symposium and Exposition 2006 IEEE, pp. 233-236, 2006.

TakehiroImura and Yoichi Hori, “Maximizing Air Gap and Efficiency of Magnetic Resonant Coupling for Wireless Power Transfer Using Equivalent Circuit and Neumann Formula”, IEEE Transacction of industrial electronics electronics, vol. 58, no. 10, October 2011.

S. Saat, NF Mokhtar, T Zaid, ZA Ghani, AA Isa, AM Darsono, Y Yusop, FKA Rahman, SH Husin, MSM Isa, MSIM Zain,” The Development of Wireless Power Transfer Technologies for Low Power Applications: An Acoustic Based Approach,” Journal of Telecommunication, Electronic and Computer Engineering (JTEC), Vol. 7 No. 2, pp. 129-135, 2015

Y.-H. Kim, S.-Y. Kang, M.-L. Lee, B.-G. Yu, and T. Zyung, “Optimization of wireless power transmission through resonant coupling,” Compat. Power Electron., pp. 426–431, May 2009.

T. Imura, H. Okabe, T. Uchida, and Y. Hori, “Study on open and short end helical antennas with capacitor in series of wireless power transfer using magnetic resonant couplings,” in Proc. IEEE Ind. Electron. Soc. Annu. Conf., Nov. 2009, pp. 3884–3889.

J. Wang, T. Honjo; T. Koyama; K. Umetani; E. Hiraki, “Novel receiving coil structure for improving efficiency and power transfer capability of resonant inductive coupling wireless power transfer,” 2016 19th International Conference on Electrical Machines and Systems (ICEMS).

Norio Nomura, Yuji Aoyagi, Chao-kai Chang, Keita Asano, Yoshifumi Sekine, "A Colpitts-Type Crystal Oscillator for Gigahertz Frequency", International Frequency Control Symposium and Exposition 2006 IEEE, pp. 233-236, 2006.

Y. Yorozu, M. Hirano, K. Oka, and Y. Tagawa, “Electron spectroscop studies on magneto-optical media and plastic substrate interfaces (Translation Journals style),” IEEE Transl. J. Magn.Jpn., vol. 2, Aug. 1987, pp. 740–741 [Dig. 9thAnnu. Conf. MagneticsJapan, 1982, p. 301].

M. Young, The Techincal Writers Handbook.Mill Valley, CA: University Science, 1989.

J. U. Duncombe, “Infrared navigation—Part I: An assessment of feasibility (Periodical style),” IEEE Trans. Electron Devices, vol. ED- 11, pp. 34–39, Jan. 1959.

S. Chen, B. Mulgrew, and P. M. Grant, “A clustering technique for digital communications channel equalization using radial basis function networks,” IEEE Trans. Neural Networks, vol. 4, pp. 570– 578, Jul. 1993.

R. W. Lucky, “Automatic equalization for digital communication,” Bell Syst. Tech. J., vol. 44, no. 4, pp. 547–588, Apr. 1965.

S. P. Bingulac, “On the compatibility of adaptive controllers (Published Conference Proceedings style),” in Proc. 4th Annu. Allerton Conf. Circuits and Systems Theory, New York, 1994, pp. 8–16.

G. R. Faulhaber, “Design of service systems with priority reservation,” in Conf. Rec. 1995 IEEE Int. Conf. Communications, pp. 3–8.

S. Saat, C. C. Heng, A. A. M. Isa, A. M. Darsono, and M. S. M. Isa, Developing a Wireless Charging Concept via Loosely Coupled Inductive Power Transfer for Mobile Applications, Journal of Telecomunication Electronics and Computer Engineering (JTEC), vol. 7, No.2, 2015.


Refbacks

  • There are currently no refbacks.


Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 License.

ISSN: 2180-1843

eISSN: 2289-8131