Fig. 1. Current diagram of Toroidal coil power supply

Fig. 2. Conventional scheme^{[6, 12]}

Fig. 3. Modified schemes

Fig. 4. Waveforms of toroidal coil in half controlled scheme

Fig. 5. t_m and I_max influenced by capacitance and initial voltage

Fig. 6. Waveforms of toroidal coil in fully controlled scheme

Fig. 7. Detail of voltage and current ripples

Fig. 8. FFT analysis of load voltage

Fig. 9. Ratio of current fluctuation in different schemes

Fig. 10. Actual current waveform before modification

Fig. 11. Actual current waveforms after modification