4-) In the half-wave rectifier in Figure 4 diode D is ideal. The input v, is a 50-Hz sinusoidal voltage with peak value V, (v,(1)=V, sin(or) V ). The rectifier feeds a load which draws constant current /, from the rectifier. (a) Derive an expression for the ripple voltage V, in terms of I,, Cand V, (Hint: After the diode turns off att,, the capacitor discharges with a constant discharging current i =-1. Also the discharging time (from t, to t, +T) can be approximated by the period of the sine wave T = . Express dv I dt in terms of V,) (b) With I, =0.1A, C = 200 µF, V, = 100 V calculate V, .( (c) Calculate the conduction angle of the diode mAt. (: (Hint: It may help to review the derivation of oAt for the resistance load case) Vc V, Figure 4 4+T り

4-) In the half-wave rectifier in Figure 4 diode D is ideal. The input v, is a 50-Hz sinusoidal voltage with peak value V, (v,(1)=V, sin(or) V ). The rectifier feeds a load which draws constant current /, from the rectifier. (a) Derive an expression for the ripple voltage V, in terms of I,, Cand V, (Hint: After the diode turns off att,, the capacitor discharges with a constant discharging current i =-1. Also the discharging time (from t, to t, +T) can be approximated by the period of the sine wave T = . Express dv I dt in terms of V,) (b) With I, =0.1A, C = 200 µF, V, = 100 V calculate V, .( (c) Calculate the conduction angle of the diode mAt. (: (Hint: It may help to review the derivation of oAt for the resistance load case) Vc V, Figure 4 4+T り

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

Suppose we have a 10-V-peak sinusoidal voltage source. Draw the diagram of a circuit that clips off the part of the sinusoid above 5 V and below -4 V. The circuit should be composed of ideal diodes, dc voltage sources, and other components as needed. Be sure to label the terminals across which the clipped output waveform vo(t) appears.
Sketch i against v to scale for the circuit. The diodes are typycal small-signal silicon devices 300 K. The reverse-breakdown voltages of the diodes are shown. Assume .6 V for all diodes (including Zenners) in the forward-bias region.
Ideally, we want the voltage for a Zener diode to be constant in the breakdown region. What does this imply about the dynamic resistance in the breakdown region for an ideal Zener diode?
Refer to the circuit. Consider ideal model (V_D=0) of diode circuits. Given V_i =100 Volts peak-to-peak sinusoidal input (+50, -50 Voltage peaks). Determine the peak output voltage during the diode non-conduction cycle.
. A half-wave rectifier is needed to supply 15-V dc to a load that draws an average current of 300 mA. The peak-to-peak ripple is required to be 0.2 V or less. What is the minimum value allowed for the smoothing capacitance?
Consider the circuit with three diodes and a AC input, as shown below: D2 R1 D1 D3 R2 Assume that the input AC voltage is Ttsin(100TTT). You may consider the diodes to be ideal. mean voltage generated across resistor R2 is (assuming current direction to be from AC so into R1, through diode network, and through R2 from top to bottom): O a. 0.5V Ob. -0.5V O c. 1V O d. OV
A R-load half-wave rectifier used sinusoidal voltage source with a peak value (35.353kV). The firing angle is (30). The total resistance is 50k2 and frequency is 50HZ. Calculate (in details): load direct voltage, maximum direct voltage, normalized voltage and effective voltage, power delivered to the load, power factor, form factor, ripple factor?
What is an ideal diode? Draw its volt–ampere characteristic. After solving a circuit with ideal diodes, what check is necessary for diodes initially assumed to be on? Off?
Draw circuit diagram with the help of diodes. The current vs voltage graph at the output of the circuit is shown below ...
Consider the AC to DC converter using half-wave rectifier with the block diagram shown as below. Power transformer + ac line 120 V (rms). 60 Hz + Diode rectifier Filter Voltage regulator + Vo Load v vi The source Us is a sinusoidal input with 12V in RMS value. The diode has the turn-on voltage vp = 0.7V and the load R = 1000. With negligible ripple voltage, the average DC voltage on the load is close to _________ V.
A single phase – half wave controlled rectifier with freewheeling diode is supplying a load consistingseries connected a resistor and an inductance from a 70.7V (RMS), 50Hz sinusoidal AC source.The firing delay of the thyristor is 90° and the load values are R=10Ω, L=0.1 H. Define the loadcurrent expression and draw the load current by calculating for first two periods. And calculate theaverage values of the load voltage and current.
For the rectifier in the figure below, state the conduction sequence of the diodes for periods t1 to t6.1. t1: D...... & D.......2. t2: D...... & D.......3. t3: D...... & D.......4. t4: D...... & D.......5. t5: D...... & D.......6. t6: D...... & D......