journal6 ›› 2012, Vol. 33 ›› Issue (6): 57-60.DOI: 10.3969/j.issn.1007-2985.2012.06.014

• Physics and electrical engineering • Previous Articles     Next Articles

Wireless Power Transmission Model of Triple Coil MagenticResonance Based on Spatial Freedom


  1.  (College of Physics and Mechatronic Engineering,Jishou University,Jishou 416000,Hunan China)
  • Online:2012-11-25 Published:2013-01-14

Abstract: The traditional coaxial magnetic resonance power transmission model is deficient for small spatial freedom.Through the analysis of the influence of launching and receiving system on transmission efficiency in mon-coaxial condition,the article puts forward an improved triple coil magnetic resonance power transmission model,which successfully breaks through the limits of the traditional coaxial magnetic resonance power transmission system in the space position.Experimental data show that the improved transmission device not only improves the spatial  freedom,but also,in axial angle -90°~+90°,improves the lowest efficiency  by more than 43% and the maximum transmission efficiency by 5%.

Key words: wireless power transmission, magnetic resonance, spatial freedom

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