In a single-phase half-wave ac-dc converter, the average value of the loadcurrent is 1.78 A. If the converter is operated from a 240 V, 50 Hz supplyand if the average value of the output voltage is 27% of the maximumpossible value, calculate the following, assume the load to be resistive.(a) Load resistance(b) Firing angle(c) Average output voltage(d) The rms load voltage(e) The rms load current(f) DC power(g) AC power(h) Rectifier efficiency(i) Form factor(j) Ripple factor

Since you have asked multiple questions in a single request, we will be answering only the frst…

In a single-phase half-wave ac-dc converter, the average value of the lo current is 1.78 A. If the converter is operated from a 240 V, 50 Hz supp and if the average value of the output voltage is 27% of the maximu possible value, calculate the following, assume the load to be resistive. (a) Load resistance (b) Firing angle (c) Average output voltage

In a single-phase half-wave ac-dc converter, the average value of the lo current is 1.78 A. If the converter is operated from a 240 V, 50 Hz supp and if the average value of the output voltage is 27% of the maximu possible value, calculate the following, assume the load to be resistive. (a) Load resistance (b) Firing angle (c) Average output voltage

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

Q1) The buck converter has an input of 50 V and an output of 25 V. The switching frequency is 100 kHz, and the output power to a load resistor is 125 W. Determine: (a) the duty ratio. (b) the value of inductance to limit the peak inductor current to 6.25 A. (c) the value of capacitance to limit the output voltage ripple to 0.5 percent.
Derive the average and rms values of output voltages and currents for three phase semi converter. Power Electronics
A buck converter, as shown in Figure (a) below, is working in steady state. The output voltage and the inductor current can be assumed to be ripple free. Figure (b) shows the inductor voltage Vi during a complete switching interval. Assuming all devices are ideal, the duty cycle of the buck converter is M VA 30 V- DA R TON TOFF (a) -20 V- (b)
Q2) A 3-phase, half-wave thyristor converter is connected through a voltage source 150 V as input voltage and used to supply resistive load of 10 N. Determine rsm voltage, rms current, ripple factor and dissipated power in the resistor R. If a = 45° and f = 50 Hz.
Q2: Single-phase half wave converter is operated from a 160 V, 60-Hz supply and the load resistive is R =10 If the average output voltage is 50%of the maximum possible average output voltage, calculate: a. The delay angle. b. The average and rms-output currents c. The efficiency. d. Draw the waveforms.
In a buck converter, what are the benefits and disadvantages if the changes of duty cycle is drastic i.e, fast system response? How about when duty cycle changes slowly i.e, slow system response?
23. Two SCRs are used in a midpoint converter arrangement. The source RMS voltage is 230 V, and the frequency is 50 Hz. The load is a 100 mH inductor in series with 2 . The input lines have series inductance of 50 μH. a. For a phase delay of 45°, plot the voltage waveform measured at the output of the midpoint converter. b. What is the output power for 45° delay?
The average (DC) value of a half-wave rectified voltage with a peak value of 200 V is: a. 63.7 V b. 127.3 V c. d. OV 141 V 2. Voltage regulation is determined by: a. load current b. Zener current and load current c. changes in load resistance and output voltage d. changes in no-load voltage and full-load voltage When a 60-Hz sinusoidal voltage is applied to the input of a full-wave rectifier, the output frequency is: a. 120 Hz b. 60 Hz c. 240 Hz d. 0 Hz
A 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 ?
6. A 1-phase full converter delivers ripple free current to RL load with R=1592. The source voltage is 230V, 50Hz, for a=30°. Determine rectification efficiency, voltage ripple factor displacement factor, and power factor
Q5. For the following center tapped transformer, show the waveform across each half of the secondary winding and across Ri, when a 100 V peak sine wave is applied to the primarywinding. What is the PIV rating must the diode have? (Use constant voltage drop model for the Silicon diode) IN4001 Ry OV 10k) D IN4001
(c) A buck converter, as shown in Figure Q3(i) below, is working in steady state. The output voltage and the inductor current can be assumed to be ripple free. Figure Q3(ii) shows the inductor voltage VL during a complete switching interval. Assuming all devices are ideal, determine (i) The output voltage, input voltage and the duty cycle of the buck converter. (ii) The inductor value required to maintain a peak-to-peak ripple current of 0.4A, if the switching frequency is 100kHz. V. M 30V 本D c+ v. TON TOFF 20V Ts (i) (ii) Figure Q3. (i) Equivalent circuit of a buck converter and (ii) inductor voltage over one complete cycle.