Q1)
A half-wave rectifier has a 120 Vrms 60 HZ ac source. The load IS 50 W. Determine the value of a filter capacitor to keep the peak-to-peak nipple across the load to less than 1.5V. Seled the one best answer from the choices given below
(a) 410 UF (d) 3270 uF (b) 820 UF (e) 6540 UF
Q2)
A diode whose internal resistance is 200 is to supply power to a 1000 load from 110V (rms) source pf supply. Calculate
(a) peak load current (b) the dc load current (c) the ac load current (d) the percentage regulation from no load to full load.
Homework Answers
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A half-wave rectifier has a 120 Vrms 60 HZ ac source. The load IS 50...
1. The following half-wave rectifier circuit has a 120-Vrms source at 60-Hz, R-500-2, and C-100-uF. Determine:...
1. The following half-wave rectifier circuit has a 120-Vrms source at 60-Hz, R-500-2, and C-100-uF. Determine: a) An expression for the output voltage. b) The peak-to-peak voltage variation on the output. c) An expression for capacitor current. d) The peak diode current. e) Confirm your answers through OrCAD solution. Display all graphs and tabulate the results ID IR le Vs Vm Sin(wt) R. T100 Vo soon
Exercise#2 • An AC supply of 230V rms is applied to a half wave rectifier circuit...
Exercise#2 • An AC supply of 230V rms is applied to a half wave rectifier circuit through a transformer of turn ratio 5:1. Assume the diode is an ideal one. The load resistance is 30092. * Find (a) peak load current (b) the dc load current (c) the rms load current (d) TUF (e) PIV (f) FF (g) RF (h) power delivered to load
A full-wave diode rectifier supplies a 30Ω resistive load from a 400Hz, 110V single-phase AC supply....
A full-wave diode rectifier supplies a 30Ω resistive load from a 400Hz, 110V single-phase AC supply. A capacitor is connected in parallel with the load. Calculate the capacitance required if the maximum peak-to-peak voltage ripple across the resistor is to be restricted to 10V. You may assume that the RC product of the resistance and capacitance will be significantly greater than the period of the AC waveform. State any other assumptions made.
Design a FULL WAVE BRIDGE RECTIFIER circuit that will: Take 120volts ac, 60 hz, sinusoidal waveform...
Design a FULL WAVE BRIDGE RECTIFIER circuit that will:
Take 120volts ac, 60 hz, sinusoidal waveform and convert
it to a “regulated “dc value
giving 12 volts +, - 1 volt across a 2000-ohm output
load resistor with no more than 2%
ripple voltage.
You may assume:
a. An ideal power transformer as discussed in class.
b. For hand computations, you must assume a diode given by
Figure 4.8 page 185.
c. A filter capacitor sized per the textbook equation...
Consider the single-phase full-wave rectifier circuit shown below with a sinusoidal input vs 120 Vrms at...
Consider the single-phase full-wave rectifier circuit shown below with a sinusoidal input vs 120 Vrms at 60 Hz and a load R= 250 TiD DAZ 40 AD AD ww D (a) (b) Consider adding a filter capacitor to the full-wave rectifier in Problem 3 to reduce the output ripple (a) Calculate the minimum value of capacitance required to reduce the output voltage ripple to 1 % of the average value (b) Calculate the average output current (c) Calculate the average...
A) Draw the circuit diagram and design a half wave rectifier AC-DC converter to deliver 12V-DC...
A) Draw the circuit diagram and design a half wave rectifier AC-DC converter to deliver 12V-DC with a ripple of 10 mV for a load current of 0.5 A - Design means to find the capacitor value and the ratio of the turns in the transformer assuume the supply voltage is 120v and 60Hz B) Calculate the Peak Inverse Voltage, average and max current through the diode.
Questions 1 to 3 relate to a three-phase SCR rectifier supplied from a 415 Vrms, 50 Hz ac source. For a 100 Ω resistive load, determine the peak, minimum and average load current for SCR firing angle...
Questions 1 to 3 relate to a three-phase SCR rectifier supplied from a 415 Vrms, 50 Hz ac source. For a 100 Ω resistive load, determine the peak, minimum and average load current for SCR firing angles of: (a) a-0° (5.87 A, 5.08 A, 5.6 A) (b) α = 45° (5.67 A, 1.52 A, 3.96 A) (c) α-70° (4.5 A, 0 A, 2.0 A) How will your answers change if a very large inductance (zero resistance) is added in series...
VOLTAGE-DIVIDER BIAS 179 CONFIGURATION h determined in Example 4.7. Essentially, exact and approx...
VOLTAGE-DIVIDER BIAS 179 CONFIGURATION h determined in Example 4.7. Essentially, exact and approximate techniques is the ten the 07 step down transformer and a load RL of 820 ohms. It is connected to an ac source of 100 VAC rms, 50 Hz. (hint: note the rms values, and for diode PIV, assume ideal diodes and draw the PIV eqv ckts) ve rectifier circuit has a 10:1 3. A positive output, a. Draw this circuit.. b. Find Vp and Vave at...
4.70 A full-wave bridge-rectifier circuit with a 500-22 load operates from a 120-V (rms) 60-Hz household...
4.70 A full-wave bridge-rectifier circuit with a 500-22 load operates from a 120-V (rms) 60-Hz household supply through a 6-to-1 step-down transformer having a single Secondary winding. It uses four diodes, each of which can be modeled to have a 0.7-V drop for any current. What is the peak value of the rectified voltage across the load? For what fraction of a cycle does each diode conduct? What is the average voltage across the load? What is the average current...
1) A classical rectifier uses a standard 120 V/25.2 V 60 Hz transformer. What ideal output...
1) A classical rectifier uses a standard 120 V/25.2 V 60 Hz transformer. What ideal output DC voltage will result if a single-phase full-wave diode bridge is used with a large capacitor and the input is exactly 120 Vrms? Assume each diode's forward voltage drop is 1 V. Design a capacitor if the load is 50 W and the voltage ripple is 1 V peak-peak?
1. The following half-wave rectifier circuit has a 120-Vrms source at 60-Hz, R-500-2, and C-100-uF. Determine: a) An expression for the output voltage. b) The peak-to-peak voltage variation on the output. c) An expression for capacitor current. d) The peak diode current. e) Confirm your answers through OrCAD solution. Display all graphs and tabulate the results ID IR le Vs Vm Sin(wt) R. T100 Vo soon
Exercise#2 • An AC supply of 230V rms is applied to a half wave rectifier circuit through a transformer of turn ratio 5:1. Assume the diode is an ideal one. The load resistance is 30092. * Find (a) peak load current (b) the dc load current (c) the rms load current (d) TUF (e) PIV (f) FF (g) RF (h) power delivered to load
Design a FULL WAVE BRIDGE RECTIFIER circuit that will:
Take 120volts ac, 60 hz, sinusoidal waveform and convert
it to a “regulated “dc value
giving 12 volts +, - 1 volt across a 2000-ohm output
load resistor with no more than 2%
ripple voltage.
You may assume:
a. An ideal power transformer as discussed in class.
b. For hand computations, you must assume a diode given by
Figure 4.8 page 185.
c. A filter capacitor sized per the textbook equation...
Consider the single-phase full-wave rectifier circuit shown below with a sinusoidal input vs 120 Vrms at 60 Hz and a load R= 250 TiD DAZ 40 AD AD ww D (a) (b) Consider adding a filter capacitor to the full-wave rectifier in Problem 3 to reduce the output ripple (a) Calculate the minimum value of capacitance required to reduce the output voltage ripple to 1 % of the average value (b) Calculate the average output current (c) Calculate the average...
Questions 1 to 3 relate to a three-phase SCR rectifier supplied from a 415 Vrms, 50 Hz ac source. For a 100 Ω resistive load, determine the peak, minimum and average load current for SCR firing angles of: (a) a-0° (5.87 A, 5.08 A, 5.6 A) (b) α = 45° (5.67 A, 1.52 A, 3.96 A) (c) α-70° (4.5 A, 0 A, 2.0 A) How will your answers change if a very large inductance (zero resistance) is added in series...
VOLTAGE-DIVIDER BIAS 179 CONFIGURATION h determined in Example 4.7. Essentially, exact and approximate techniques is the ten the 07 step down transformer and a load RL of 820 ohms. It is connected to an ac source of 100 VAC rms, 50 Hz. (hint: note the rms values, and for diode PIV, assume ideal diodes and draw the PIV eqv ckts) ve rectifier circuit has a 10:1 3. A positive output, a. Draw this circuit.. b. Find Vp and Vave at...
4.70 A full-wave bridge-rectifier circuit with a 500-22 load operates from a 120-V (rms) 60-Hz household supply through a 6-to-1 step-down transformer having a single Secondary winding. It uses four diodes, each of which can be modeled to have a 0.7-V drop for any current. What is the peak value of the rectified voltage across the load? For what fraction of a cycle does each diode conduct? What is the average voltage across the load? What is the average current...
1) A classical rectifier uses a standard 120 V/25.2 V 60 Hz transformer. What ideal output DC voltage will result if a single-phase full-wave diode bridge is used with a large capacitor and the input is exactly 120 Vrms? Assume each diode's forward voltage drop is 1 V. Design a capacitor if the load is 50 W and the voltage ripple is 1 V peak-peak?
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