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5. A core with three legs is shown in the figure below. Its depth is 8cm,...
1-8. A core with three legs is shown in Figure P1-5. Its depth is 5 crn,...
1-8. A core with three legs is shown in Figure P1-5. Its depth is 5 crn, and there are 100 turns on the leftmost leg. The relative permeability of the core can be assumed to be 2000 and constant. What flux exists in each of the three legs of the core? What is the flux density in each of the legs? 9 cm 9cm 25 cm 15 cm 25 cm 9 em 2 A 25 cm 100 tums 0.05 cm...
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...
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...
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...
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...
ET 103 - ELECTRICAL MACHINES I Assignment 01 QUESTION # 04 A ferromagnetic core with a...
ET 103 - ELECTRICAL MACHINES I Assignment 01 QUESTION # 04 A ferromagnetic core with a relative permeability of 1500 is shown in Figure The dimensions are as shown in the diagram, and the depth of the core is 5 cm. The air gaps on the left and right sides of the core are 0.050 and 0.070 cm, respectively. Because of fringing effects, the effective area of the air gaps is 5 percent larger than their physical size. If there...
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...
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.
Q1. In the following magnetic circuit, the flux density in leg#1 shown in the figure is...
Q1. In the following magnetic circuit, the flux density in leg#1 shown in the figure is 1.2 (T). The relationship between the flux density and the field intensity is also given for the core: B- denth is the same for all parts of the core. 2H 1000+H-Determine the current of winding#2 (12). All dimensions are in cm and the core 2cm 2A NI-50 100-N2 7cm 4cm 2. 1em 8cm 3cm
The figure shows a ferromagnetic core with a relative permeability of 2000. The dimensions are shown...
The
figure shows a ferromagnetic core with a relative permeability of
2000. The dimensions are shown in the diagram and the core depth is
7 cm. The between irons on the left and right side of the core have
0. 050 and 0. 070 cm, respectively. Due to the marginal effects,
the effective area of the air gap increases by 5% with respect to
the physical area. If there is a 300-turn coil wound in the central
column of the...
1-8. A core with three legs is shown in Figure P1-5. Its depth is 5 crn, and there are 100 turns on the leftmost leg. The relative permeability of the core can be assumed to be 2000 and constant. What flux exists in each of the three legs of the core? What is the flux density in each of the legs? 9 cm 9cm 25 cm 15 cm 25 cm 9 em 2 A 25 cm 100 tums 0.05 cm...
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...
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...
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...
ET 103 - ELECTRICAL MACHINES I Assignment 01 QUESTION # 04 A ferromagnetic core with a relative permeability of 1500 is shown in Figure The dimensions are as shown in the diagram, and the depth of the core is 5 cm. The air gaps on the left and right sides of the core are 0.050 and 0.070 cm, respectively. Because of fringing effects, the effective area of the air gaps is 5 percent larger than their physical size. If there...
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...
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.
Q1. In the following magnetic circuit, the flux density in leg#1 shown in the figure is 1.2 (T). The relationship between the flux density and the field intensity is also given for the core: B- denth is the same for all parts of the core. 2H 1000+H-Determine the current of winding#2 (12). All dimensions are in cm and the core 2cm 2A NI-50 100-N2 7cm 4cm 2. 1em 8cm 3cm
The
figure shows a ferromagnetic core with a relative permeability of
2000. The dimensions are shown in the diagram and the core depth is
7 cm. The between irons on the left and right side of the core have
0. 050 and 0. 070 cm, respectively. Due to the marginal effects,
the effective area of the air gap increases by 5% with respect to
the physical area. If there is a 300-turn coil wound in the central
column of the...
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