Wireless Energy Transfer Using Magnetic Resonance

Bhutkar, Rohan; Sapre, Sahil

doi:10.1109/iccee.2009.194

Cited by 17 publications

(9 citation statements)

References 5 publications

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“…Another major breakthrough was achieved in 1899 to transmit 10 8 volts of high-frequency electric power over a distance of 25 miles to light 200 bulbs and run an electric motor [16]. However, the technology that Tesla applied had to be shelved because emitting such high voltages in electric arcs would cause disastrous effect to humans and electrical equipment in the vicinity [17].…”

Section: B Technical Breakthroughs and Research Projectsmentioning

confidence: 99%

Wireless Charging Technologies: Fundamentals, Standards, and Network Applications

Wang

Niyato

et al. 2016

IEEE Commun. Surv. Tutorials

865

395

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Abstract-Wireless charging is a technology of transmitting power through an air gap to electrical devices for the purpose of energy replenishment. The recent progress in wireless charging techniques and development of commercial products have provided a promising alternative way to address the energy bottleneck of conventionally portable battery-powered devices. However, the incorporation of wireless charging into the existing wireless communication systems also brings along a series of challenging issues with regard to implementation, scheduling, and power management. In this article, we present a comprehensive overview of wireless charging techniques, the developments in technical standards, and their recent advances in network applications. In particular, with regard to network applications, we review the static charger scheduling strategies, mobile charger dispatch strategies and wireless charger deployment strategies. Additionally, we discuss open issues and challenges in implementing wireless charging technologies. Finally, we envision some practical future network applications of wireless charging.

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Section: B Technical Breakthroughs and Research Projectsmentioning

confidence: 99%

Wireless Charging Technologies: Fundamentals, Standards, and Network Applications

Wang

Niyato

et al. 2016

IEEE Commun. Surv. Tutorials

865

395

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“…Both of the primary circuit and secondary circuit is in resonance at the same frequency [6] [7]. Therefore, the ω is defined as…”

Section: Circuit Modelmentioning

confidence: 99%

Design of wireless power driving and controlling system for electrically driving liquid crystal micro-lens array

Liu

Zhang

et al. 2011

SPIE Proceedings

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A novel wireless power driving and controlling system is proposed, which is based on the electrical driving and controlling characteristics of liquid crystal microlens array with tunable focal length. The system consists of two isolated circular copper stacked coils with circular cross section. Both of coils are air-cored. The big one, which is used to generate electromagnetic field, has the wire diameter of ~1mm, and the coil diameter of ~38 mm and the height of 10 mm. By contrast, the small one, used to produce electromotive force by induction effect, is ~1 mm, ~13 mm and ~18 mm, respectively. The varying electromotive force is generated in the small coil by the variable intensity of magnetic field resulting from changing the time of current through the big coil. The agreement of experimental results with the theoretical analysis proves that the electromotive force can be continuously changed from 0 to 30 rms V (root mean square), when the duration of current through the big coil is reasonablely selected. It is very important that the clear image can be obtained and the imaging quality of liquid crystal microlens array can be comparable to that of conventional optical microlens array.

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“…Radiative transfer, although perfectly suitable for transferring information, poses a number of difficulties for power transfer applications: the efficiency of power transfer is very low if the radiation is omni-directional, and unidirectional radiation requires an uninterrupted line of sight and sophisticated tracking mechanisms [4].…”

Section: Introductionmentioning

confidence: 99%

On wireless power transfer

Dumitriu

Niculae

Iordache

et al. 2012

2012 International Conference on Applied and Theoretical Electricity (ICATE)

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The paper is a general survey on power transfer by induction. The physical principle is pointed out and the constraints for an optimal operation applied both to the emitter and receiver are specified. Couple mode theory is used to study the wireless power transfer and a comparison with the circuit theory results is made. The analysis is focused on the power transfer efficiency in connection with the mutual inductance. An accurate method for mutual inductance computation is presented and the power transfer optimization is performed for different geometrical configurations which involve different mutual inductances.

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Wireless Energy Transfer Using Magnetic Resonance

Cited by 17 publications

References 5 publications

Wireless Charging Technologies: Fundamentals, Standards, and Network Applications

Wireless Charging Technologies: Fundamentals, Standards, and Network Applications

Design of wireless power driving and controlling system for electrically driving liquid crystal micro-lens array

On wireless power transfer

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