Current vector control of wireless power transfer system with 2D transmitting coils

Current vector control of wireless power transfer system with 2D transmitting coils

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Current vector control of a resonant-type wireless power transfer system with 2D transmitting (Tx) coils is presented. The equivalent circuit model between two Tx and one receiving coils is derived in d–q coordinates. The control method to obtain the maximum power transmission efficiency is proposed. The experimental results are provided to verify the proposed control method.


    1. 1)
      • 1. Lin, D., Zhang, C., Ron Hui, S.Y.: ‘Power and efficiency of 2-D omni-directional wireless power transfer systems’. Conf. Record of IEEE Energy Conversion Congress and Exposition, Montreal, Canada, September 2015, pp. 49514958.
    2. 2)
      • 2. Feng, J., Li, Q., Lee, F.C.: ‘Omnidirecitional wireless power transfer for portable devices’. Conf. Record of IEEE Applied Power Electronics Conf., 2017, Tampa, FL, USA, March 2017, pp. 16751681.

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