Figures (10)  Tables (2)

    • Figure 1. 

      The proposed S/S compensated WPT system utilizing full-wave rectification.

    • Figure 2. 

      Operating states of full-wave rectifier (a) State I. (b) State II.

    • Figure 3. 

      Equivalent circuit of employed full-wave rectifier.

    • Figure 4. 

      Equivalent S/SP resonance circuit.

    • Figure 5. 

      Equivalent impedance angle (degrees) at varying loads and frequencies.

    • Figure 6. 

      Experimental prototype setup.

    • Figure 7. 

      The inverter output waveforms with different loads. (a) RL = 2-Ω. (b) RL = 5-Ω. (c) RL = 8-Ω.

    • Figure 8. 

      VDS and VGS of inverter MOSFETs with different loads. (a) RL = 2-Ω. (b) RL = 5-Ω. (c) RL = 8-Ω.

    • Figure 9. 

      Transient behaviors with step load.

    • Figure 10. 

      System efficiency performance. (a) Overall efficiency with different loads. (b) The overall efficiency at rated load.

    • Part Value Part Value
      f 100 kHz Req 1.5–6.5 Ω
      Cp 25.3 nF Lp 120 μH
      Cs 21.1 nF Ls 120 μH
      M 20 μH Lc 20 μH

      Table 1. 

      A parameter combination following the proposed design methodology.

    • Part Value Part Value
      Vin 100 V ω 200π rad/s
      Cp 25.5 nF Lp 120.8 μH
      Cs 21.2 nF Ls 119.6 μH
      M 21.5 μH Lm 21.5 μH
      Cf 200 μF RL 2–8 Ω

      Table 2. 

      System parameters setup.