A three-legged circular core is shown in figure below. The winding on the middle leg of the core (𝑁) has 500 turns. The depth of the core is 10 cm. If the dimensions are as shown, then
Question: 01 (9 Points)
A three-legged circular core is shown in figure below. The winding on the middle leg of the core (𝑁) has 500 turns. The depth of the core is 10 cm. If the dimensions are as shown, then
(a) Determine the total reluctance of the given core when μr = 700 and constant.Hints:
1) Solve it like a regular electrical circuit using series/parallel concept
2) Flow of flux in magnetic circuits is same as flow of current in electrical circuit
(8 Points)
(b) What total flux would be produced by current 𝐼 = 2 A when μr = 700 and constant.(1 Points)
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A three-legged circular core is shown in figure below. The winding on the middle leg of the core (𝑁) has 500 turns. The depth of the core is 10 cm. If the dimensions are as shown, then
3.20 points - Magnetic circuit: A two-legged ferromagnetic core with relative permeability of 1500 is shown...
3.20 points - Magnetic circuit: A two-legged ferromagnetic core with relative permeability of 1500 is shown in the figure with its dimensions. Find the following: 1. Self and mutual inductances of the two windings with 400 and 300 turns. 2. What current will produce flux density of 1T in the core, if the first (left) winding with 400 turns is energized and the second winding is left open. 3. The rms voltage across the first winding, assuming the energizing source...
5. A core with three legs is shown in the figure below. Its depth is 8cm,...
5. A core with three legs is shown in the figure below. Its depth is 8cm, and there are 400 turns on the center leg. The remaining dimensions are shown in the figure. The core is composed of a steel having the magnetization curve shown below. Answer the questions given below: a. What current is required to produce a flux density of 0.5T in the central leg of the core? b. What current is required to produce a flux density...
3. A three-leg transformer with 100 turns of winding for each leg is shown below. The height of the transformer is...
3. A three-leg transformer with 100 turns of winding for each leg is shown below. The height of the transformer is 10 cm, its length is 20 cm, the cross section of the iron core is 6 cm2 throughout the transformer, and the core's permeability is 5000 μο, assumed constant. If the winding of the left-hand leg carries a current 1 A while the rest two windings are open, calculate the magnetic flux through the other two legs.
[Magnetic circuits – 20 points] A two-legged magnetic core with an airgap is shown in the...
[Magnetic circuits – 20 points] A two-legged magnetic core with an airgap is shown in the below figure. The cross-sectional area of the core is A. = 20 cm?, the mean length of the core is l. =80 cm, and the length of the airgap is 0.06 cm. The number of turns on the coil is 200. The relative permeability of the core can be assumed to be constant and equal to 2000. The fringing effect causes a 6% increase...
Problem 1) A ferromagnetic core with relative permeability 1000 has a depth of 5 cm as...
Problem 1) A ferromagnetic core with relative permeability 1000 has a depth of 5 cm as shown below. All the dimensions are shown in the diagram. Due to fringing effects, the effective area of the air gaps is 10% larger than their physical sizes. a) [10 marks] For i-5 A, draw the equivalent magnetic circuit and determine the flux values for the left, middle, and right arms of the core. b) [3 marks] Now wrap a second coil of 100...
***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...
Question 1 5 pts A mugnetic core structure is shown below Ni The relalive permeabily of heomaleri...
Value options for #1 are:
159.155
312.28
3979
75.41
63.662
Question 1 5 pts A mugnetic core structure is shown below Ni The relalive permeabily of heomalerial is 2500 andil is nol saluraled. The depth of the core is uniform and 2 cm into the page. The width of the core is 2 cm. For this problem, nelect the leakage flux. The equivalent circuit is shown below follawed hy dimansianal infarmation. R, R,2 Fi R, R, 2 "20cm 124 320...
Need help solving problem 4 Consider the magnetic circuit below. All 3 coils have equal turns N- 20. Assume the core is linear with a permeability of p 5x10 H/m, average length i- 2x 10* m, cross...
Need help solving problem 4
Consider the magnetic circuit below. All 3 coils have equal turns N- 20. Assume the core is linear with a permeability of p 5x10 H/m, average length i- 2x 10* m, cross section area A- 1 x 10 m2 Ignore the core losses and copper winding resistance. The current flowing though the top coll is sinusoidal with an ms value of 10 A and frequency of 60 Hz) Determine the following: 1) Reluctance of the...
how can I solve the following magnetic circuit? The iron core shown in Figure 15.13(a) has a cross section of 2 cm by 2 cm and a relative permeability of 1000. The coil has 500 turns and carri...
how can I solve the following magnetic circuit?
The iron core shown in Figure 15.13(a) has a cross section of 2 cm by 2 cm and a relative permeability of 1000. The coil has 500 turns and carries a current of i 2 A. Find the flux density in each air gap. tad in rioure 15 13hi First we compute the -_-10 cm-ㄧ 커←_-10 cm cITI Gap b 10cm 0.5 cm emGap
The iron core shown in Figure 15.13(a) has...
Please do all parts Problem 2- Lateral Reluctance Actuator 20 ptsl The actuator shown below has...
Please do all parts
Problem 2- Lateral Reluctance Actuator 20 ptsl The actuator shown below has a core and movable section of steel. The moveable section is supported by bearings with permeability u o, with Hr. All parts of the actuator extend a depth "a" into the page The rest of the parameters for the actuator N-150 a-5 cm a x a cross section b- 25 cm g 2 cm K-40 Nm Equilibrium position of the steel, xi = 4...
3.20 points - Magnetic circuit: A two-legged ferromagnetic core with relative permeability of 1500 is shown in the figure with its dimensions. Find the following: 1. Self and mutual inductances of the two windings with 400 and 300 turns. 2. What current will produce flux density of 1T in the core, if the first (left) winding with 400 turns is energized and the second winding is left open. 3. The rms voltage across the first winding, assuming the energizing source...
5. A core with three legs is shown in the figure below. Its depth is 8cm, and there are 400 turns on the center leg. The remaining dimensions are shown in the figure. The core is composed of a steel having the magnetization curve shown below. Answer the questions given below: a. What current is required to produce a flux density of 0.5T in the central leg of the core? b. What current is required to produce a flux density...
3. A three-leg transformer with 100 turns of winding for each leg is shown below. The height of the transformer is 10 cm, its length is 20 cm, the cross section of the iron core is 6 cm2 throughout the transformer, and the core's permeability is 5000 μο, assumed constant. If the winding of the left-hand leg carries a current 1 A while the rest two windings are open, calculate the magnetic flux through the other two legs.
[Magnetic circuits – 20 points] A two-legged magnetic core with an airgap is shown in the below figure. The cross-sectional area of the core is A. = 20 cm?, the mean length of the core is l. =80 cm, and the length of the airgap is 0.06 cm. The number of turns on the coil is 200. The relative permeability of the core can be assumed to be constant and equal to 2000. The fringing effect causes a 6% increase...
Problem 1) A ferromagnetic core with relative permeability 1000 has a depth of 5 cm as shown below. All the dimensions are shown in the diagram. Due to fringing effects, the effective area of the air gaps is 10% larger than their physical sizes. a) [10 marks] For i-5 A, draw the equivalent magnetic circuit and determine the flux values for the left, middle, and right arms of the core. b) [3 marks] Now wrap a second coil of 100...
***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...
Value options for #1 are:
159.155
312.28
3979
75.41
63.662
Question 1 5 pts A mugnetic core structure is shown below Ni The relalive permeabily of heomalerial is 2500 andil is nol saluraled. The depth of the core is uniform and 2 cm into the page. The width of the core is 2 cm. For this problem, nelect the leakage flux. The equivalent circuit is shown below follawed hy dimansianal infarmation. R, R,2 Fi R, R, 2 "20cm 124 320...
Need help solving problem 4
Consider the magnetic circuit below. All 3 coils have equal turns N- 20. Assume the core is linear with a permeability of p 5x10 H/m, average length i- 2x 10* m, cross section area A- 1 x 10 m2 Ignore the core losses and copper winding resistance. The current flowing though the top coll is sinusoidal with an ms value of 10 A and frequency of 60 Hz) Determine the following: 1) Reluctance of the...
how can I solve the following magnetic circuit?
The iron core shown in Figure 15.13(a) has a cross section of 2 cm by 2 cm and a relative permeability of 1000. The coil has 500 turns and carries a current of i 2 A. Find the flux density in each air gap. tad in rioure 15 13hi First we compute the -_-10 cm-ㄧ 커←_-10 cm cITI Gap b 10cm 0.5 cm emGap
The iron core shown in Figure 15.13(a) has...
Please do all parts
Problem 2- Lateral Reluctance Actuator 20 ptsl The actuator shown below has a core and movable section of steel. The moveable section is supported by bearings with permeability u o, with Hr. All parts of the actuator extend a depth "a" into the page The rest of the parameters for the actuator N-150 a-5 cm a x a cross section b- 25 cm g 2 cm K-40 Nm Equilibrium position of the steel, xi = 4...
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