H+ 7 cm 30 cm +4 7 cm 7 cm -0.07 cm 30 cm- +7 cm+ 300 turns 30 cm- 0.05 cm cm Core depth = 5 cm
H+ 7 cm 30 cm +4 7 cm 7 cm -0.07 cm 30 cm- +7 cm+ 300 turns 30 cm- 0.05 cm cm Core depth = 5 cm
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
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.39P
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A ferromagnetic core with a relative permeability of 1500 is shown in the following figure. The depth of the core is 5 cm. Because of fringing effects, the effective area of the air gaps is 5 percent larger than their physical size. If there are 300 turns in the coil wrapped around the center leg of the core, and if the current in the coil is 1.25 A, find the magnetic flux and the field density in all three legs of the core, as well as the magnetic flux and flux density in the two air gaps.
![7 cm
30 cm
+4
7 cm
7 cm
-0.07 cm
30 cm-
7 cm
+7 cm|-
300 turns
-30 cm-
0.05 cm
+7 cm
Core depth = 5 cm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc17ca235-944c-490c-992d-6fa5440b2d28%2F5d08dfc5-91c2-4ce2-a88c-93da8f14d91b%2Fubwrl8w_processed.png&w=3840&q=75)
Transcribed Image Text:7 cm
30 cm
+4
7 cm
7 cm
-0.07 cm
30 cm-
7 cm
+7 cm|-
300 turns
-30 cm-
0.05 cm
+7 cm
Core depth = 5 cm
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