Power Electronics

Power Electronics.

I’m trying to study for my Engineering course and I need some help to understand this question.

  • A buck-boost regulator has an input voltage of Vs = 15v. The duty cycle, k = 0.4 and the switching frequency is 20kHz. The inductance, L= 200µH and filter capacitance, C= 250µF. The average load current, Ia = 1.75A. Determine the;
  • Average output voltage, Va
  • Peak-to-peak output voltage ripple, ΔVc
  • Peak-to-peak ripple current of inductor, ΔI
  • Peak current of the transistor, Ip

Power Electronics

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