317982.fig.002a
(a) PWM pulses applied to SW1
317982.fig.002b
(b) PWM pulses applied to SW2
317982.fig.002c
(c) PWM pulses applied to SW3
317982.fig.002d
(d) PWM pulses applied to SW4
317982.fig.002e
(e) Inductor current
Figure 2: (a)–(d) PWM pulses applied to switches SW1–SW4, (e) current through inductor.