✓Q1) i. Distinguish between thyristor and TRAIC in the followinga) Construction b) Characteristics c) Mode of operationii. What is the difference between holding current and latching current?iii. What are the method of triggering of hyristor. Explain three briefly?iv. What are the advantages of using free wheeling diode in rectifier circuit?

Step 1:Q1(i) Distinguish between Thyristor and TRIACa) ConstructionThyristor: A thyristor, or SCR…

Answered: ✓ Q1) i. Distinguish between thyristor…

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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S-2) a) On the bridge type full wave rectifier circuit given in the figure Plot the current paths for each of the +/- alternans. b) The waveform of the Vç output voltage is given in the graphs on the side. Draw it in the blank and calculate the peak value and indicate it in the graph. c) Calculate the effective value of the output voltage. (Vç (eff) =… ..?). Note: Diodes are not ideal. VD = 0.7V.
A single-phase center-tapped rectifier has an R-L of R= 20 0, L = 50mH, and a 240 V ac 50 Hz source voltage. Determine: i. The average and rms currents of the diodes and the load. ii. The rms and average 50 Hz source currents. iii. The power absorbed by the load. iv. The supply power factor.
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a. Full-wave Bridge-type Rectifier. Consider the following circuit on the right. a.1 Determine the peak and dc output voltage for the bridge rectifier. a.2 Assuming the practical model, what PIV rating is required for the diodes? The transformer is specified to have a 12 V rms secondary voltage for the standard 120 V across the primary. D3 120 V pisec) RL Dz D 10 k) alll
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Exercises: 1. A full-wave bridge rectifier isolated from the 220 V rms power line by a transformer. Assuming the diode voltage drops are 0.7 V. i. What turns ratio should the transformer have in order to produce an average current of 1A in a 10 load? ii. What is the average current in each diode under the conditions of (i)? iii. What minimum PIV rating should each diode have? iv. How much power is dissipated by each diode? 2. A full-wave bridge rectifier is operated from a 50 Hz, 220 V rms line. It has a 100 μF filter capacitor and a 2 k 2 load. Neglect diode voltage drops. i. What is the percent ripple? ii. What is the average current in the load?
the three phase half wave uncontrolled rectifier is operated from 500v,50Hz supply at secondary side and the load resistance is 25 ohms. if the source inductance is negligible, determine a) rectification efficiency b) form factor c) ripple factor d) transformer utilization factor e) peak inverse voltage of each diode
Please answer in typing format solution please only Please answer in typing format I will like it please thanks
28. A full-wave bridge rectifier with a 120-V rms sinusoidal input has a load resistor of 1 k. a. If silicon diodes are employed, what is the de voltage available at the load? b. Determine the required PIV rating of each diode. c. Find the maximum current through each diode during conduction. d. What is the required power rating of each diode?
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