Homework Help is Here – Start Your Trial Now!
Engineering
Electrical Engineering
a) Fifteen thyristors are used in a string to withstand a de voltage of Vs = 20 kV. The maximum leakage current and recovery charge differences of thyristors are 10 mA and 150 µC, respectively. Each thyristor has a voltage-sharing resistance of R = 65 k2 and capacitance of C1 = 0.6 µF. Determine the; maximum steady-state voltage sharing Vps(max). steady-state voltage derating factor DRFS. iii. maximum transient voltage sharing VDT(max)-

a) Fifteen thyristors are used in a string to withstand a de voltage of Vs = 20 kV. The maximum leakage current and recovery charge differences of thyristors are 10 mA and 150 µC, respectively. Each thyristor has a voltage-sharing resistance of R = 65 k2 and capacitance of C1 = 0.6 µF. Determine the; maximum steady-state voltage sharing Vps(max). steady-state voltage derating factor DRFS. iii. maximum transient voltage sharing VDT(max)-

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
QUESTION 3 a) Fifteen thyristors are used in a string to withstand a de voltage of Vs = 20 kV. The maximum leakage current and recovery charge differences of thyristors are 10 mA and 150 µC, respectively. Each thyristor has a voltage-sharing resistance of R 65 k2 and capacitance of C1 = 0.6 µF. Determine the; i. maximum steady-state voltage sharing VDs(max). ii. steady-state voltage derating factor DRFS. iii. maximum transient voltage sharing VDT(max). iv. transient voltage derating factor DRFT. b) A converter in Figure 5 is operated from a three-phase Y-connected 208 V, 60 Hz supply and the load resistance is R= 10 2. If it is required to obtain an average output voltage of 50 % of the maximum possible output voltage, calculate the; i. delay angle, a. ii. rms and average output currents. iii. average and rms thyristor currents. iv. rectification efficiency. V. TUF. vi. input PF.
Transcribed Image Text:QUESTION 3 a) Fifteen thyristors are used in a string to withstand a de voltage of Vs = 20 kV. The maximum leakage current and recovery charge differences of thyristors are 10 mA and 150 µC, respectively. Each thyristor has a voltage-sharing resistance of R 65 k2 and capacitance of C1 = 0.6 µF. Determine the; i. maximum steady-state voltage sharing VDs(max). ii. steady-state voltage derating factor DRFS. iii. maximum transient voltage sharing VDT(max). iv. transient voltage derating factor DRFT. b) A converter in Figure 5 is operated from a three-phase Y-connected 208 V, 60 Hz supply and the load resistance is R= 10 2. If it is required to obtain an average output voltage of 50 % of the maximum possible output voltage, calculate the; i. delay angle, a. ii. rms and average output currents. iii. average and rms thyristor currents. iv. rectification efficiency. V. TUF. vi. input PF.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question

The converter is operated form a three phase Y- connected 208V, 60hz supply and the load resistance is R= 10 ohms. If it is required to obtain an average output voltage of 50% of the maximum output voltage, calculate the

a, Delay angle

b, rms and verage output current

c. The average and rms thyristor currents

d. the rectification efficiency

Solution
Bartleby Expert
SEE SOLUTION
Knowledge Booster
Capacitor
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.
Similar questions
  • SEE MORE QUESTIONS
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