Fig. 2 shows a two-pole, unipolar PWM converter along with the relevant paramete
ID: 1922602 • Letter: F
Question
Fig. 2 shows a two-pole, unipolar PWM converter along with the relevant parameters. The control voltage vc= 0.5V and the switching frequency is 25 kHz. Assume steady-state operation.
(a) Calculate the cycle-by-cycle average (CCA) values - vAN , vBN and vAB
(b) Plot the instantaneous waveforms of vAN (t), vBN (t) and vAB (t) over a switching period.
(c) Calculate the CCA value, ia
(d) Plot the instantaneous waveform of ia
(d) Plot the instantaneous waveform of ia(t) . Make sure to include the ripple current component.
Explanation / Answer
Definitely B
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