-12. The core shown in Figure P1-4 is made of a steel whose magnetization curve is shown in Figure P1-9. Repeat Problem 1-7, but this time do not assume a constant value of μ. How much flux is produced in the core by the currents specified? What is the relative permeability of this core under these conditions? Was the assumption in Problem 1-7 that the relative permeability was equal to 1000 a good assumption for these conditions? Is it a good assumption in general?
-12. The core shown in Figure P1-4 is made of a steel whose magnetization curve is shown in Figure P1-9. Repeat Problem 1-7, but this time do not assume a constant value of μ. How much flux is produced in the core by the currents specified? What is the relative permeability of this core under these conditions? Was the assumption in Problem 1-7 that the relative permeability was equal to 1000 a good assumption for these conditions? Is it a good assumption in general?
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 3.1MCQ: The Ohms law for the magnetic circuit states that the net magnetomotive force (mmf) equals the...
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![1-12. The core shown in Figure P1-4 is made of a steel whose magnetization curve is
shown in Figure P1-9. Repeat Problem 1-7, but this time do not assume a constant
value of μ.. How much flux is produced in the core by the currents specified? What
is the relative permeability of this core under these conditions? Was the assumption
in Problem 1-7 that the relative permeability was equal to 1000 a good assumption
for these conditions? Is it a good assumption in general?
Flux density B (T)
1.25
1.00
0.75
0.50
0.25
0.0
100
Magnetizing intensity H (A. turns/m)
1000
FIGURE P1-9
The magnetization curve for the core material of Problems 1-12 and 1-14.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5ecf1484-f95f-4119-9858-43c8382b92c0%2F1d0567ae-1d97-43e0-830a-4ccadf9ce0b8%2F3vqng79_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1-12. The core shown in Figure P1-4 is made of a steel whose magnetization curve is
shown in Figure P1-9. Repeat Problem 1-7, but this time do not assume a constant
value of μ.. How much flux is produced in the core by the currents specified? What
is the relative permeability of this core under these conditions? Was the assumption
in Problem 1-7 that the relative permeability was equal to 1000 a good assumption
for these conditions? Is it a good assumption in general?
Flux density B (T)
1.25
1.00
0.75
0.50
0.25
0.0
100
Magnetizing intensity H (A. turns/m)
1000
FIGURE P1-9
The magnetization curve for the core material of Problems 1-12 and 1-14.
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