A buck regulator has an input voltage of 12 V and the required output voltage is 5 V. What is the duty cycle of the regulator?
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- A buck regulator has Vsource 15 V. The average output voltage required is Vo=6 V with peak-to-peak ripple input of 10 mV, the switching frequency is 20 kHz and the peak-to-peak ripple of current of the inductor L is 0.6 A. Calculate the duty cycle and the values of Land Crequired.A single-phase half wave uncontrolled rectifier circuit is operating with a purely inductive load and a source voltage of 100 sin (277t) V. An ideal PMMC ammeter is connected in series with the inductive load reads 20 A. Calculate the distortion factor of the rectifier. Answer Choices: a. 0.866 b. 0.707 c. 0.577 d. 0.816A single phase full converter feeds power to RLE load with R=10 ohm, L=10 mH and E=50 V, the ac source voltage is 230 V, 50 Hz. For continuous conduction, what is the average value of load current for firing angle delay of 600 ?
- In a Zener regulator, change in loads causes a change in O a. None of the options. O b. Zener Voltage O c. Zener current O d. Both Zener current and Zener voltageA full wave rectifier with a capacitor filter provides a dc output voltage of 35 V to a 3.3 kohms load. Determine the maximum value of filter capacitor if the maximum peak to peak ripple voltage is to be 0.5 V. Assume fin = 50 Hz.Exercise 2: A single phase half wave ac regulator using one SCR in anti-parallel with a diode feeds 1 kW, 230 V heater. Find load power for a firing angle of TT/4 Ans: 954.56 Watts cs CamScanner - iga ganall
- 4.10) A buck regulator has an input voltage of 12 V and the required output voltage is 5 V. What is the duty cycle of the regulator?Calculate the peak-to-peak inductor current ripple (in amperes) of a Buck converter assuming it operates in continuous current conduction mode. Circuit parameters are: Input voltage Vdc = 38 V, output voltage Vo = 17 V, PWM frequency fpwm = 50 kHz, inductor value 328 µH and capacitor value C = 10 µF. is S iL L I₂ Vac VA D VL ic C R₁ Please specify your answer in units of A to 2 decimal places. VA single phase half-wave AC voltage controller provides output RMS voltage of 50V when the triggering angle (a) is 90°. For the same a, what is the output RMS voltage if the AC voltage controller changed to full-wave type.
- 4 Listed are some of the uses of capacitors except: A. couples AC B. bypassing a shunt load C. signal amplification D. filters pulsating DCA single phase full wave AC voltage controller has a resistive load of 5 ohms and an input voltage of Vs = 240 V (RMS), 50 Hz. The delay angles of both thyristors are set to 45 degrees. The maximum RMS and average current ratings of the thyristor are equal to: Select one: O a. 33.94A and 21.6A O b. None of these O c. 24A and 10.8A O d. 48A and 26.09A Clear my choiceIn the full-wave rectifier circuit of figure, the transformer has a turns ratio of 1:2. The transformer primary winding is connected across an AC source of 230V (rms), 50 Hz. The load resistor is 50ohms. For this circuit, determine the peak-to- peak ripple in the output voltage * Di i v2 = VmSin ot RL Vs(N V1 Vo + V3 = VmSin ot D2 Full-wave rectifier- Circuit operation during positive half cycle 460 V 207 V 325.3 V None of the above ell ell