A 750 kVA, 11 kV/ 400 V with 5% impedance distribution transformer is to be installed in an industrial power network to serve the industrial motor pump as depicted in Figure Q3. (1) Analyse the short circuit capacity of the transformer (in KVA) (i) Investigate the voltage variation (in percentage) during the motor starting (ii) Recommend a proper size of the transformer if the voltage variation during the motor starting is to be limited to a maximum value of 8% Infinite source Standard rating (in kVA): 150, 250, 300, 400, 500, 630, 750, 1,000, 1,250, 1,600, 2,000, 2,500 750 KVA 11kV/400V Horse Power = 500 HP MPF = 0.8 lagging, Efficiency = 70% Starting inrush current = 6 times

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...
icon
Related questions
Question
A 750 kVA, 11 kV/ 400 V with 5% impedance distribution transformer is to be
installed in an industrial power network to serve the industrial motor pump as
depicted in Figure Q3.
(i) Analyse the short circuit capacity of the transformer (in kVA)
(ii) Investigate the voltage variation (in percentage) during the motor starting
(iii) Recommend a proper size of the transformer if the voltage variation during
the motor starting is to be limited to a maximum value of 8%
Infinite source
Standard rating (in kVA):
150, 250, 300, 400, 500,
630, 750, 1,000, 1,250,
1,600, 2,000, 2,500
3
750 kVA
11kV/400V
Horse Power = 500 HP
PF = 0.8 lagging, Efficiency = 70%
Starting inrush current = 6 times
Transcribed Image Text:A 750 kVA, 11 kV/ 400 V with 5% impedance distribution transformer is to be installed in an industrial power network to serve the industrial motor pump as depicted in Figure Q3. (i) Analyse the short circuit capacity of the transformer (in kVA) (ii) Investigate the voltage variation (in percentage) during the motor starting (iii) Recommend a proper size of the transformer if the voltage variation during the motor starting is to be limited to a maximum value of 8% Infinite source Standard rating (in kVA): 150, 250, 300, 400, 500, 630, 750, 1,000, 1,250, 1,600, 2,000, 2,500 3 750 kVA 11kV/400V Horse Power = 500 HP PF = 0.8 lagging, Efficiency = 70% Starting inrush current = 6 times
Expert Solution
steps

Step by step

Solved in 5 steps with 1 images

Blurred answer
Knowledge Booster
Y parameter
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,