1. Calculate the theoretical output DC voltage of the half-wave rectifier circuit and compare it with measured value. For the capacitive filter, obtain the theoretical values of the DC output voltage and the ripple voltage and compare these values with the measured quantities. Determine also the practical and theoretical values of the ripple factor.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter12: Electronic Control Devices
Section: Chapter Questions
Problem 4RQ: What is the difference between a diode and rectifier?
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3. Calculations and Discussion
1. Calculate the theoretical output DC voltage of the half-wave rectifier circuit and
compare it with measured value. For the capacitive filter, obtain the theoretical values
of the DC output voltage and the ripple voltage and compare these values with the
measured quantities. Determine also the practical and theoretical values of the ripple
factor.
2. Calculate the theoretical output DC voltage of the center-tapped full-wave rectifier
circuit and compare it with measured value. For the capacitive filter, obtain the
theoretical values of the DC output voltage and the ripple voltage and compare these
values with the measured quantities. Determine also the practical and theoretical
values of the ripple factor.
3.
Repeat the calculations for the full-wave bridge rectifier and filter circuit.
4. Determine the peak inverse voltage (PIV) on each diode in the three rectifier circuits.
Experiment 2
- 15-
Rectifier Circuits
5. If diode D4 in the bridge rectifier circuit of Figure 5 was removed or burned, explain
the operation of the circuit in this case and sketch the predicted waveform of the
output.
6. Explain the effect of increasing the filter capacitance on the output voltage in the half-
wave rectifier and filter circuit.
7. Compare the DC output voltages of the three rectifier circuits. Which circuit has the
highest output? On the other hand, which circuit has the lowest peak inverse voltage
on each diode?
8. What value of filter capacitor is required to produce 1% ripple factor for a full-wave
rectifier having a load resistance of 1.5k? Assume that the peak value of the output
voltage is 18V.
Transcribed Image Text:3. Calculations and Discussion 1. Calculate the theoretical output DC voltage of the half-wave rectifier circuit and compare it with measured value. For the capacitive filter, obtain the theoretical values of the DC output voltage and the ripple voltage and compare these values with the measured quantities. Determine also the practical and theoretical values of the ripple factor. 2. Calculate the theoretical output DC voltage of the center-tapped full-wave rectifier circuit and compare it with measured value. For the capacitive filter, obtain the theoretical values of the DC output voltage and the ripple voltage and compare these values with the measured quantities. Determine also the practical and theoretical values of the ripple factor. 3. Repeat the calculations for the full-wave bridge rectifier and filter circuit. 4. Determine the peak inverse voltage (PIV) on each diode in the three rectifier circuits. Experiment 2 - 15- Rectifier Circuits 5. If diode D4 in the bridge rectifier circuit of Figure 5 was removed or burned, explain the operation of the circuit in this case and sketch the predicted waveform of the output. 6. Explain the effect of increasing the filter capacitance on the output voltage in the half- wave rectifier and filter circuit. 7. Compare the DC output voltages of the three rectifier circuits. Which circuit has the highest output? On the other hand, which circuit has the lowest peak inverse voltage on each diode? 8. What value of filter capacitor is required to produce 1% ripple factor for a full-wave rectifier having a load resistance of 1.5k? Assume that the peak value of the output voltage is 18V.
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