Ohm, Rc = 0 Ohm, XM = 15.000 Ohm Ss = 100 W

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.26MCQ: In per-unit equivalent circuits of practical three-phase transformers, under balanced thr-phase...
icon
Related questions
Question
Q4 Figure Q4 below shows the simplified per phase equivalent circuit of a 220 V
star connected transformer. The parameters for the equivalent circuit is listed as
follows:
R1= 1.780 Ohm, R2 = 2.400 Ohm, Re = 0
Xi = 1.255 Ohm, X2 = 0.410 Ohm, XM = 15.000 Ohm
Stray loss = 200 W, Core loss = 100 W
RI
jXi
I2
jX2
IM
Rc
jXm
R2
Figure Q4
(a)
Find the line current of the transformer.
Find the copper loss associated with the primary winding and secondary
winding.
(b)
(c)
Calculate the efficiency of the 3 phase transformer.
Transcribed Image Text:Q4 Figure Q4 below shows the simplified per phase equivalent circuit of a 220 V star connected transformer. The parameters for the equivalent circuit is listed as follows: R1= 1.780 Ohm, R2 = 2.400 Ohm, Re = 0 Xi = 1.255 Ohm, X2 = 0.410 Ohm, XM = 15.000 Ohm Stray loss = 200 W, Core loss = 100 W RI jXi I2 jX2 IM Rc jXm R2 Figure Q4 (a) Find the line current of the transformer. Find the copper loss associated with the primary winding and secondary winding. (b) (c) Calculate the efficiency of the 3 phase transformer.
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Basic law of vector algebra
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
Power System Analysis and Design (MindTap Course …
Power System Analysis and Design (MindTap Course …
Electrical Engineering
ISBN:
9781305632134
Author:
J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:
Cengage Learning
Electric Motor Control
Electric Motor Control
Electrical Engineering
ISBN:
9781133702818
Author:
Herman
Publisher:
CENGAGE L
Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
Electricity for Refrigeration, Heating, and Air C…
Electricity for Refrigeration, Heating, and Air C…
Mechanical Engineering
ISBN:
9781337399128
Author:
Russell E. Smith
Publisher:
Cengage Learning