ple 5.1 Finding the Performances of a Dc-Dc ConverterThe de converter in Figure 5.2a has a resistive load of R = 100 and the input voltage isV, = 220 V. When the converter switch remains on, its voltage drop is vah = 2V and the chop-ping frequency is f = 1kHz. If the duty cycle is 50%, determine (a) the average output voltageVa, (b) the rms output voltage V,, (c) the converter efficiency, (d) the effective input resistanceRị of the converter, (e) the ripple factor of the output voltage RF, and (f) the rms value of thefundamental component of output harmonic voltage.VHVConverterI-0+SWV.V,RR(a) CircuitkT(b) Waveforms5045403530R,(k) 252015105102030405060708090100kDuty cycle, %(c) Effective input resistance against duty cycleFIGURE 5.2Step-down converter with resistive load.Normalized effective input resistance

“Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

The de converter in Figure 5.2a has a resistive load of R = 100 and the input voltage is V, = 220 V. When the converter switch remains on, its voltage drop is vh = 2V and the chop- ping frequency is ƒ = 1kHz. If the duty cycle is 50%, determine (a) the average output voltage Va (b) the rms output voltage Vo, (c) the converter efficiency, (d) the effective input resistance R¡ of the converter, (e) the ripple factor of the output voltage RF, and (f) the rms value of the fundamental component of output harmonic voltage. %3D

The de converter in Figure 5.2a has a resistive load of R = 100 and the input voltage is V, = 220 V. When the converter switch remains on, its voltage drop is vh = 2V and the chop- ping frequency is ƒ = 1kHz. If the duty cycle is 50%, determine (a) the average output voltage Va (b) the rms output voltage Vo, (c) the converter efficiency, (d) the effective input resistance R¡ of the converter, (e) the ripple factor of the output voltage RF, and (f) the rms value of the fundamental component of output harmonic voltage. %3D

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

A load consists of XL=70 and XC=150 are connected in parallel across 120 Volt supply.The reactive power of the circuit is.......
Derive the average and rms values of output voltages and currents for three phase semi converter. Power Electronics
B7
(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.
A step down de chopper is connected to an R5 2 and L-10 mH. The de supply voltage is 100 V. The chopper is switching at a frequency of 1 kHz with a duty cycle of 50%. Determine the load current, lo and the peak to peak ripple current as an absolute value and as percentage of de value.
Drive the expression for the average output voltage of a single phase full converter and draw the waveform of output voltage. please explain in details
In a single-phase half-wave ac-dc converter, the average value of the load current is 1.78 A. If the converter is operated from a 240 V, 50 Hz supply and if the average value of the output voltage is 27% of the maximum possible 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
A single-phase full-wave converter in the figure below is supplied with a 120-V, 60-Hz source. The load is highly inductive and the load current is continuous and free of ripples. The electromotive force is neglected (E = 0) and the resistance has a value of R = 10 2. The average output voltage is 85% of the maximum possible average output voltage. The delay angle would be equal to: Select one: 81.8° O b. 31.8° O c 67.8° O d. 51.8° AT₁ AT, R L +7=4₂ W
6.8. In a single-phase mid-point converter, turns ratio from primary to each secondary is 1.25. The source voltage is 230 V, 50 Hz. For a resistive load of R = 2 2, determine (a) maximum value of average output voltage and load current and the corresponding firing and conduction angles, (b) maximum average and rms thyristor currents, (c) maximum possible values of positive and negative voltages across SCRs, (d) the value of a for load voltage of 100 V, (e) the value of voltage across SCR at the instant of commutation for a of part (d). Hint. (b) Maximum average thyristor current =; So 2n 0 [Ans. (a) 165.63 V, V. m R sin o d(at) etc. 82.82 A, a=0°, y= 180° (b) 41.41 A, 65.054 A (c) 520.4 V. 520.4 V (d) 52,862° (e) 414.82 V]
Explain the working of single phase full converter for RLE load discontinous mode o operation with neat sketch, waveform and equations.
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.
Part 1) Consider a step down converter with a resistive load. It is supplied by a DC power source of magnitude Vs = 160 V. The switching period is 0.25 ms and the duty cycle k is first set to 0.5. The load is resistive with R=10 Ohms. The critical value of L and the critical value of C are equal to: a. 0.625mH and 0.392uF b. 0.625mH and 0.196uF c. 0.312mH and 0.196uF d. None of these Part2) Now consider the same given but the load is an inductive load with R=10 Ohms and L=10 mH. The switch is ideal. Calculate The RMS load current Io and the RMS converter current Ir are equal to: Select one: a. 5A and 3.54A b. None of these c. 8A and 5.66A d. 12.5A and 8.84A