Homework Help is Here – Start Your Trial Now!
Engineering
Electrical Engineering
Q4) A) A fully controlled natural commutated 3-phase bridge rectifier is operating with a firing angle a = 30°. The peak to peak voltage ripple expressed as a ratio of the peak output dc voltage at the output of the converter bridge is (a) 0.5 (b) 3/2 (1) (c) (d) 3 - 1 2

Q4) A) A fully controlled natural commutated 3-phase bridge rectifier is operating with a firing angle a = 30°. The peak to peak voltage ripple expressed as a ratio of the peak output dc voltage at the output of the converter bridge is (a) 0.5 (b) 3/2 (1) (c) (d) 3 - 1 2

Introductory Circuit Analysis (13th Edition)
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
icon
Related questions
Question

Q4) A) A fully controlled natural commutated 3-phase bridge rectifier is operating with a firing angle a = 30°. The peak to peak voltage ripple expressed as a ratio of the peak output dc voltage at the output of the converter bridge is (а) О.5 (b) V3/2 (c) (d) 3 - 1 1- Consider a phase-controlled converter shown in the figure. The thyristor is fired at an angle a in every positive half cycle of the input voltage. If the peak value of the instantaneous output voitage equals 230 V, the firing angle a is close to B) 230 V (RMS) 50 Hz Vo (b) 135° (a) 45° (c) 90° (d) 83.6° In a single-phase semiconverter with resistive load and for a firing angle a, each SCR conduction and free-wheeling action take place respectively, for (a) a, 0° (c) + a, a (b) -a, a ( d ) π- α , 0 A 3-phase Semiconverter, for firing angle less than or equal to 60°, freewheeling diode conducts for D) (a) 90 (c) 30 In case of controlled rectifiers, the nature of the load current (continues or (b) 60° (d) O E) discontinuous) depends upon the a) type of load and firing angle b) only on the type of load c) only on the firing angle d) it is independent of all the parameters
Transcribed Image Text:Q4) A) A fully controlled natural commutated 3-phase bridge rectifier is operating with a firing angle a = 30°. The peak to peak voltage ripple expressed as a ratio of the peak output dc voltage at the output of the converter bridge is (а) О.5 (b) V3/2 (c) (d) 3 - 1 1- Consider a phase-controlled converter shown in the figure. The thyristor is fired at an angle a in every positive half cycle of the input voltage. If the peak value of the instantaneous output voitage equals 230 V, the firing angle a is close to B) 230 V (RMS) 50 Hz Vo (b) 135° (a) 45° (c) 90° (d) 83.6° In a single-phase semiconverter with resistive load and for a firing angle a, each SCR conduction and free-wheeling action take place respectively, for (a) a, 0° (c) + a, a (b) -a, a ( d ) π- α , 0 A 3-phase Semiconverter, for firing angle less than or equal to 60°, freewheeling diode conducts for D) (a) 90 (c) 30 In case of controlled rectifiers, the nature of the load current (continues or (b) 60° (d) O E) discontinuous) depends upon the a) type of load and firing angle b) only on the type of load c) only on the firing angle d) it is independent of all the parameters
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Three Phase Controlled and Uncontrolled Rectifiers
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:
9780133923605
Author:
Robert L. Boylestad
Publisher:
PEARSON
Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Electrical Engineering
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
Fundamentals of Electric Circuits
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:
9780078028229
Author:
Charles K Alexander, Matthew Sadiku
Publisher:
McGraw-Hill Education
Electric Circuits. (11th Edition)
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:
9780134746968
Author:
James W. Nilsson, Susan Riedel
Publisher:
PEARSON
Engineering Electromagnetics
Engineering Electromagnetics
Electrical Engineering
ISBN:
9780078028151
Author:
Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:
Mcgraw-hill Education,
SEE MORE TEXTBOOKS