Effect of wireless power link load resistance on the efficiency of the energy transfer

Mariusz Bojarski; Erdem Asa; Dariusz Czarkowski

doi:10.1109/IEVC.2014.7056194

Effect of wireless power link load resistance on the efficiency of the energy transfer

Mariusz Bojarski, Erdem Asa, Dariusz Czarkowski

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

With the proper impedance matching system, a high efficiency can be acquired in wireless power transfer applications. Variations of the coupling coefficient factor could deviate, however, the impedance matching system from the designed considerations. In this paper, the transmitter reflected impedance from the receiver side is analyzed to avoid divergence of the impedance matching network considering a wide air gap range between transmitter and receiver sides. A 2 kW contactless system is designed to investigate an optimum impedance requirement by testing several displacement gaps between coils. Experimental results are demonstrated to reveal a relation between the efficiency and the reflected impedance.

Original language	English (US)
Title of host publication	2014 IEEE International Electric Vehicle Conference, IEVC 2014
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781479960750
DOIs	https://doi.org/10.1109/IEVC.2014.7056194
State	Published - 2014
Event	2014 IEEE International Electric Vehicle Conference, IEVC 2014 - Florence, Italy Duration: Dec 17 2014 → Dec 19 2014

Publication series

Name	2014 IEEE International Electric Vehicle Conference, IEVC 2014

Other

Other	2014 IEEE International Electric Vehicle Conference, IEVC 2014
Country/Territory	Italy
City	Florence
Period	12/17/14 → 12/19/14

ASJC Scopus subject areas

Electrical and Electronic Engineering
Automotive Engineering

Access to Document

10.1109/IEVC.2014.7056194

Cite this

Bojarski, M., Asa, E., & Czarkowski, D. (2014). Effect of wireless power link load resistance on the efficiency of the energy transfer. In 2014 IEEE International Electric Vehicle Conference, IEVC 2014 Article 7056194 (2014 IEEE International Electric Vehicle Conference, IEVC 2014). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IEVC.2014.7056194

Effect of wireless power link load resistance on the efficiency of the energy transfer. / Bojarski, Mariusz; Asa, Erdem; Czarkowski, Dariusz.
2014 IEEE International Electric Vehicle Conference, IEVC 2014. Institute of Electrical and Electronics Engineers Inc., 2014. 7056194 (2014 IEEE International Electric Vehicle Conference, IEVC 2014).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Bojarski, M, Asa, E & Czarkowski, D 2014, Effect of wireless power link load resistance on the efficiency of the energy transfer. in 2014 IEEE International Electric Vehicle Conference, IEVC 2014., 7056194, 2014 IEEE International Electric Vehicle Conference, IEVC 2014, Institute of Electrical and Electronics Engineers Inc., 2014 IEEE International Electric Vehicle Conference, IEVC 2014, Florence, Italy, 12/17/14. https://doi.org/10.1109/IEVC.2014.7056194

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AB - With the proper impedance matching system, a high efficiency can be acquired in wireless power transfer applications. Variations of the coupling coefficient factor could deviate, however, the impedance matching system from the designed considerations. In this paper, the transmitter reflected impedance from the receiver side is analyzed to avoid divergence of the impedance matching network considering a wide air gap range between transmitter and receiver sides. A 2 kW contactless system is designed to investigate an optimum impedance requirement by testing several displacement gaps between coils. Experimental results are demonstrated to reveal a relation between the efficiency and the reflected impedance.

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Effect of wireless power link load resistance on the efficiency of the energy transfer

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