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The fundamental principle of a novel wireless power transfer(WPT) technology is investigated in this paper through coupled mode theory. The concept of strong coupling is proposed considering coupling effect between eletromagnetic(EM) waves. It is simulated by equivalent circuit method and validated by experiment.
Wireless power transfer based on witricity technology is a new technology which energy can be transferred via coupled magnetic resonances in the non-radiative near-field. In order to verify its feasibility, coupled mode theory and power transfer system structure was proposed in this paper. Based on these analysis, The wireless power transfer experimental device is designed. Experimental results shows...
In this paper, the principle of wireless power transmission technology based on resonant coupling is discussed. A simplified equivalent circuit modeling for wireless power transmission system is established. A resonator constituted by single-layer helical coils is designed and investigated. Based on experiments, the output load voltage correlated with different distance, driving frequency and disalignment...
In this paper, a resonant coupling wireless power transmission system whose resonator using single-layer helical coils is designed. Based on analysis of equivalent circuit, the efficiency and optimal transmission distance are obtained, and its correctness is verified by experiment. The resonant frequency and electromagnetic field distribution of system are obtained through high frequency finite element...
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