A first quadrant DC-to-DC chopper feeds an inductive load of 10 ohms resistance and 50 mH inductance and a back EMF (Eb) = 55 Vdc from a 340 Vdc source. If the chopper is operated at 200 Hz with a 25% on-state duty cycle, i) Evaluate whether this chopper is operating as a buck or boost converter. [7 marks]ii) Determine the ripple factor (RF) of this converter circuit. [3 marks]iii) Sketch the output voltage and current waveforms of the chopper with back EMF effect. Allocate the waveforms with th
A first quadrant DC-to-DC chopper feeds an inductive load of 10 ohm…
Jun 6, 2023
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