581306.fig.009a
(a)
581306.fig.009b
(b)
581306.fig.009c
(c)
Figure 9: Spectra of the 𝑉 𝑎 1 𝑏 1 , 𝑉 𝑎 2 𝑏 2 and 𝑉 𝑎 𝑠 voltages of the system with continuous synchronized PWM ( 𝐹 = 3 5  Hz, 𝐹 𝑠 = 1  kHz).