A boost converter is operated from a 240 V dc. What will be its output voltage if it has a ratio of R₁/R = 0.02 with a duty cycle of 0.8? Find also the efficiency of the converter.
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- A chopper circuit works at a frequency of 4 kHz of a 220 V dc supply. For 180 V output voltage, find the conduction and blocking periods of a thyristor in each cycle. Select one: a. 0.209 ms, 0.234 ms b. 0.404 ms, 0.055 ms c. 0.204 ms, 0.045 ms d. 0.704 ms, 0.897 ms2.A Boost converter has an input voltage of 5V and required output voltage is 15V at 25KHzwhen L=150µH and C=220µf and average load current of 0.5A.Determine i) Duty cycle ratio ii)peak to peak ripple current through inductor iii) peak to peak ripple voltage iv) critical values of L & CThe DC-DC converter below is fed from a 96 V DC source and it is desired to obtain 24 V output voltage on 15 2 load resistors. The switching frequency of the converter is 50 kHz. It is desired that the fluctuation rate in the output voltage should not exceed 1%. VL + mr Etc + Vx a) What is the minimum required coil inductance? b) What is the minimum required capacitor value? drink IR