期刊
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
卷 56, 期 7, 页码 1658-1661出版社
WILEY
DOI: 10.1002/mop.28405
关键词
adjusted capacitors; system frequency; optimum design; relay resonators; wireless power transfer relay system
资金
- National Research Foundation of Korea (NRF) - Korea Government (MSIP) [NRF-2013R1A2A2A05005640]
- National Research Foundation of Korea [2013R1A2A2A05005640] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This article presents an optimum design method of a wireless power transfer (WPT) relay system. Magnetic couplings between nonadjacent resonators cause a frequency shifting of maximum efficiency in a WPT relay system. Thus, the efficiency at the system frequency of f(0) is relatively lower than that at a shifted frequency of f '. To use the system at f(0) effectively, the values of capacitors of resonators are optimized. The appropriate values of capacitors are found from the genetic algorithm by analytic calculation. This optimum design method is verified by both simulation and measurement. Additionally, the currents and dissipated powers on the resonators are investigated to explain the mechanism of optimization. (c) 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:1658-1661, 2014
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