Journal
ELECTRONICS LETTERS
Volume 52, Issue 4, Pages 314-315Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/el.2015.3571
Keywords
magnetic resonance; radiofrequency power transmission; radio receivers; radio transmitters; rapid design approach; optimal efficiency magnetic resonant wireless power transfer system; MR-WPT system; optimal efficiency condition determination; coupling coefficient; transmitter; receiver; distance 50 mm; frequency 6; 78 MHz
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Funding
- National Research Foundation, Singapore [NRF-CRP8-2011-01]
- National Natural Science Foundation of China [61372012]
- Natural Science Foundation of Jiangsu Province, China [BK20131190, BK20130375]
- Suzhou Science and Technology Council, China [SYG201403]
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A rapid design approach to achieve the optimal efficiency in a magnetic resonant wireless power transfer (MR-WPT) system is presented. A concise design guideline is provided to determine the optimal efficiency condition and related coupling coefficients. Experimental validations are demonstrated by both simulation and measurement results of a 6.78 MHz MR-WPT system prototype with the maximum efficiency of 76.1% at a 50 mm distance between transmitter and receiver.
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