Figures (13)  Tables (1)

    • Figure 1. 

      Topology of S/S compensated WPT system.

    • Figure 2. 

      T-equivalent model and the simplified model when Im(Zin) = 0.

    • Figure 3. 

      Circuit implementation.

    • Figure 4. 

      Controller structure.

    • Figure 5. 

      Structure diagram of the system.

    • Figure 6. 

      Polar coordinate diagram. (a) ωp = ωs, (b) ωp < ωs, and (c) ωp > ωs.

    • Figure 7. 

      Current amplitude frequency characteristics. (a) ωp < ωs, (b) ωp > ωs.

    • Figure 8. 

      Experimental device.

    • Figure 9. 

      Oscilloscope waveform.

    • Figure 10. 

      Input and output waveforms during parameter changes.

    • Figure 11. 

      Relationship between system operating frequency and coupling coefficient when ωp < ωs.

    • Figure 12. 

      Relationship between system operating frequency and coupling coefficient when ωp > ωs.

    • Figure 13. 

      Output voltage amplitude.

    • Parameters Value
      Input voltage Us 10 V
      Primary side compensation capacitor C1 20.1 (22.2) nF
      Primary coil self-inductive L1 103.2 μH
      Secondary coil self-inductance L2 103.4 μH
      Secondary side compensation capacitor C2 20.0 (22.1) nF
      Equivalent load RL 20 Ω

      Table 1. 

      System parameters.