A magnetic circuit is made of mild steel arranged as shown below. The centre limb is wound with 500 turns and has a cross-sectional area of 800 mm. Each of the outer limbs has a cross-sectional area of 500 mm. The air gap has a length of 1.0 mm. Calculate the current required to set up a flux of 1.3 mWb in the centre limb, assuming no magnetic leakage and fringing. The mean lengths of the various magnetic paths are shown on the diagram. B (T) 1.7 1.6 1.5 I mm 120 300 300 1.4 mm mm mm 1.3 1.2 1000 2000 3000 4000 5000 H (A/m) Magnetization characteristic of mild steel
A magnetic circuit is made of mild steel arranged as shown below. The centre limb is wound with 500 turns and has a cross-sectional area of 800 mm. Each of the outer limbs has a cross-sectional area of 500 mm. The air gap has a length of 1.0 mm. Calculate the current required to set up a flux of 1.3 mWb in the centre limb, assuming no magnetic leakage and fringing. The mean lengths of the various magnetic paths are shown on the diagram. B (T) 1.7 1.6 1.5 I mm 120 300 300 1.4 mm mm mm 1.3 1.2 1000 2000 3000 4000 5000 H (A/m) Magnetization characteristic of mild steel
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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![A magnetic circuit is made of mild steel arranged as shown below. The centre limb is
wound with 500 turns and has a cross-sectional area of 800 mm. Each of the outer
limbs has a cross-sectional area of 500 mm'. The air gap has a length of 1.0 mm.
Calculate the current required to set up a flux of 1.3 mWb in the centre limb, assuming
no magnetic leakage and fringing. The mean lengths of the various magnetic paths are
shown on the diagram.
В Т)
1.7
1.6
1.5
I mm
120
300
300
1.4
mm
mm
mm
1.3
1.2
1000
2000
3000
4000
5000 H (A/m)
Magnetization characteristic of mild steel](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F30893c3a-2835-494a-af37-ecf08a47db19%2F41a1c730-c86c-4f7c-821a-a31c26003cc2%2Fqny37s_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A magnetic circuit is made of mild steel arranged as shown below. The centre limb is
wound with 500 turns and has a cross-sectional area of 800 mm. Each of the outer
limbs has a cross-sectional area of 500 mm'. The air gap has a length of 1.0 mm.
Calculate the current required to set up a flux of 1.3 mWb in the centre limb, assuming
no magnetic leakage and fringing. The mean lengths of the various magnetic paths are
shown on the diagram.
В Т)
1.7
1.6
1.5
I mm
120
300
300
1.4
mm
mm
mm
1.3
1.2
1000
2000
3000
4000
5000 H (A/m)
Magnetization characteristic of mild steel
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