Total MMF question
If permability of iron core is (ur) 2500 and the data below
Calculate the total mmf when magnetic flux is 150mWb?
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explain in a simple way Assignment Report Q1. For the Magnetic circuit shown in Fig. 5.1,...
explain in a simple way
Assignment Report Q1. For the Magnetic circuit shown in Fig. 5.1, relative permeability of the core material is 6000, its rectangular cross section is 2 cm by 3 cm. The coil has 500 turns and the core thickness is 3 cm. If flux density in the gap is 0.25 T. Find the following: a) The gap reluctance (assume that fringing increases effective cross-sectional area of air gap by 50%). b) The required airgap mmf. c)...
3. Consider the toroid with outside and inside radiuses of 8cm and 6cm, respectively as shown...
3. Consider the toroid with outside and inside radiuses of 8cm and 6cm, respectively as shown in the figure. Assume that 200 turns are wound around the toroid made of a non-magnetic material with ur = 1 to produce a total flux of 1.25x10-6 Wb in the core. The magnetic field intensity in the core is unknown. Determine: a. The length of the average flux path in the toroid and the cross-sectional area perpendicular to the flux. b. The flux...
For the core shown in Fig.9 0.1 cm Flux 10 cm Current,i Airgap N 100 Magnetic...
For the core shown in Fig.9 0.1 cm Flux 10 cm Current,i Airgap N 100 Magnetic material | \、-1 10 cm = 4000 10 cm 30 cm 10 cm Depth 8 cm Fig. 9: Magnetic core with airgap a) It is required that the airgap flux density to be 1.5 Tesla, find the value of the current. Do not ignore the fringing in the airgap b) Find the mmf consumed in the airgap
Assume that we have an air-core toroid with 500 turns, a cross-sectional area of 6 cm2,...
Assume that we have an air-core toroid with 500 turns, a cross-sectional area of 6 cm2, a mean radius of 15 cm, and a coil current of 4 A. As we already know, the magnetic field is confined to the interior of the toroid, and if we consider the closed path of our magnetic circuit along the mean radius. Find: a) the mmf in the core b) the core reluctance c) the magnetic flux d) the B-field e) the H-field
1. (a) The C core and I core as shown in the below figure have a...
1. (a) The C core and I core as shown in the below figure have a uniform cross-section of 5mm x 5mm. (i) If both cores have a relative permeability ur of 1000, calculate the reluctance when both cores are attached to each other to form a rectangular core. (ii) When a coil of 40 turns is wound around the above rectangular core, calculate the corresponding inductance. (b) The cores described in part (a) are now assembled with a non-magnetic...
***current is not given in question*** Question 2B [18 Marks The magnetic circuit shown below (all...
***current is not given in question***
Question 2B [18 Marks The magnetic circuit shown below (all dimensions in centimeters) is made from silicon steel (B-H curve attached). The magnetic flux density in the middle limb is equal to 1.2 T and the coil consists of 100 turns. a) Calculate the reluctance of each air gap.[4] b) Calculate the amount of magnetic flux in the middle limb. [1] c) Calculate the reluctance of the middle limb.[3] d) Determine the amount of...
a) The transformer shown in Figure B2.1 consists of an infinitely long wire along the z-axis...
a) The transformer shown in Figure B2.1 consists of an infinitely long wire along the z-axis carrying a current I-cos ot, which couples to an iron toroid centred on the origin (0, 0, 0) and lying in the x-y plane. The iron toroid has a 100 turns coil tightly wound around it which induces a voltage Vemf as shown in Figure B2.1 The permeability of the iron toroid is r, and it has an outer radius of b, inner radius...
Please provide full explanation for the problem. Thank you in advanced! The number of turn, in...
Please provide full explanation for the problem. Thank you in
advanced!
The number of turn, in the following magnetic circuit coil is 500. The current is 10A. If the total length of the magnetic circuit, having a cross sectional area of 10cm2 is 50cm and the gap is 0.5cm wide and the iron core have a permeability of 8000Ho 3. a. b. c. Calculate magnetic flux in the gap Calculate energy density in the gap Calculate the force between the...
Problem 1. A magnetic flux of 2 mWb is to be produced in the air gap...
Problem 1. A magnetic flux of 2 mWb is to be produced in the air gap of the magnetic circuit shown in Figure 1. How much magnetomotive force (mmf) the winding must provide to achieve this? Relative permeability r of the core material may be assumed to be constant and equal to 5,000. All the dimensions shown are in centimeters [cm] and the cross sectional area is 25 [cm2] through out 15 15 0.1 20 Figure 1: Magnetic circuit for...
Can you help me to solve this question, please:) B3. (a) Given the magnetic circuit below:...
Can you help me to solve this
question, please:)
B3. (a) Given the magnetic circuit below: Path P= 50 cm 5A 300 turns coil A= 6 cm Fig. B3(a) (1) Determine the magnetomotive force (MMF) produced by the coil; (3 marks) (ii) Calculate the average magnetic field strength (H) in the ring: (3 marks) (iii) If the relative magnetic permeability (lly) of the ring material is 1200, find the average magnetic flux density (B) in the ring. Given lo =...
explain in a simple way
Assignment Report Q1. For the Magnetic circuit shown in Fig. 5.1, relative permeability of the core material is 6000, its rectangular cross section is 2 cm by 3 cm. The coil has 500 turns and the core thickness is 3 cm. If flux density in the gap is 0.25 T. Find the following: a) The gap reluctance (assume that fringing increases effective cross-sectional area of air gap by 50%). b) The required airgap mmf. c)...
3. Consider the toroid with outside and inside radiuses of 8cm and 6cm, respectively as shown in the figure. Assume that 200 turns are wound around the toroid made of a non-magnetic material with ur = 1 to produce a total flux of 1.25x10-6 Wb in the core. The magnetic field intensity in the core is unknown. Determine: a. The length of the average flux path in the toroid and the cross-sectional area perpendicular to the flux. b. The flux...
For the core shown in Fig.9 0.1 cm Flux 10 cm Current,i Airgap N 100 Magnetic material | \、-1 10 cm = 4000 10 cm 30 cm 10 cm Depth 8 cm Fig. 9: Magnetic core with airgap a) It is required that the airgap flux density to be 1.5 Tesla, find the value of the current. Do not ignore the fringing in the airgap b) Find the mmf consumed in the airgap
1. (a) The C core and I core as shown in the below figure have a uniform cross-section of 5mm x 5mm. (i) If both cores have a relative permeability ur of 1000, calculate the reluctance when both cores are attached to each other to form a rectangular core. (ii) When a coil of 40 turns is wound around the above rectangular core, calculate the corresponding inductance. (b) The cores described in part (a) are now assembled with a non-magnetic...
***current is not given in question***
Question 2B [18 Marks The magnetic circuit shown below (all dimensions in centimeters) is made from silicon steel (B-H curve attached). The magnetic flux density in the middle limb is equal to 1.2 T and the coil consists of 100 turns. a) Calculate the reluctance of each air gap.[4] b) Calculate the amount of magnetic flux in the middle limb. [1] c) Calculate the reluctance of the middle limb.[3] d) Determine the amount of...
a) The transformer shown in Figure B2.1 consists of an infinitely long wire along the z-axis carrying a current I-cos ot, which couples to an iron toroid centred on the origin (0, 0, 0) and lying in the x-y plane. The iron toroid has a 100 turns coil tightly wound around it which induces a voltage Vemf as shown in Figure B2.1 The permeability of the iron toroid is r, and it has an outer radius of b, inner radius...
Please provide full explanation for the problem. Thank you in
advanced!
The number of turn, in the following magnetic circuit coil is 500. The current is 10A. If the total length of the magnetic circuit, having a cross sectional area of 10cm2 is 50cm and the gap is 0.5cm wide and the iron core have a permeability of 8000Ho 3. a. b. c. Calculate magnetic flux in the gap Calculate energy density in the gap Calculate the force between the...
Problem 1. A magnetic flux of 2 mWb is to be produced in the air gap of the magnetic circuit shown in Figure 1. How much magnetomotive force (mmf) the winding must provide to achieve this? Relative permeability r of the core material may be assumed to be constant and equal to 5,000. All the dimensions shown are in centimeters [cm] and the cross sectional area is 25 [cm2] through out 15 15 0.1 20 Figure 1: Magnetic circuit for...
Can you help me to solve this
question, please:)
B3. (a) Given the magnetic circuit below: Path P= 50 cm 5A 300 turns coil A= 6 cm Fig. B3(a) (1) Determine the magnetomotive force (MMF) produced by the coil; (3 marks) (ii) Calculate the average magnetic field strength (H) in the ring: (3 marks) (iii) If the relative magnetic permeability (lly) of the ring material is 1200, find the average magnetic flux density (B) in the ring. Given lo =...
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