Analyzing a UI inductor
Screen Shot 2021-01-30 at 8.48.59 PM.png
(a) find the inductance of the UI core
(b) for the current level the yields a flux density of 1.5 T, find the energy that will be stored in the inductor
(c) recompute steps (a) and (b) if the air gap in the UI core were to be removed
Homework Answers
Electromechanical Inductor Analysis
Screen Shot 2021-01-30 at 8.49.07 PM.pngScreen Shot 2021-01-30 at 8.48.59 PM.pnganswers are noted in green. Need to show work(a) Find the inductance of the UI core(b) Find the current level that yields a flux density of 1.5 T, for this current, what is the energy stored in the inductor(c) repeat (a) and (b) if the airgap was removed from the inductor
2. N-300, R-7, 3x3 cm of the magnetic core square cross section, negligit the reluctance of...
2. N-300, R-7, 3x3 cm of the magnetic core square cross section, negligit the reluctance of the magnetic materical+ a) the length of the air gap 1mm, has a flux density of 0.55+ L. Find the required current and the DC voltage source Il. Find the stored field energy b) Air gap 0, flux density -1.3, find the mechanical energy+
A solenoidal inductor consists of ten turns of wire in air coiled with a diameter of...
A solenoidal inductor consists of ten turns of wire in air coiled with a diameter of 5 mm and length 1 cm. The solenoid is oriented with the long axis of the coil in the z direction. (a) The inductor is driven with 1 mA of current. Find the magnetic field intensity vector field inside the solenoid. Be sure to give both the direction and magnitude of the vector field. (b) Find the magnetic flux density vector field inside the...
EO Vuy vvvvvvvv NTurns 93 The relative permeability of the core material is 3500, and the...
EO Vuy vvvvvvvv NTurns 93 The relative permeability of the core material is 3500, and the average length of the core is 52cm as the cross- section of the core is 64cm2. The core is uniform of cross-section (all limbs have the same cross-section). There are 80 turns on the coil. Answer the following questions, 1) The reluctance of the core (AT/Wb) 2) Find the flux density (T) of the core if the current į in the coil is 0.75...
3. Magnetic Circuit The magnetic circuit shown in the figure is formed by two 'E' cores made of t...
Please explain your answer and clarify your steps
3. Magnetic Circuit The magnetic circuit shown in the figure is formed by two 'E' cores made of two different materials, with air gap g-0.5 mm. The relative permeability of each material is μre11 = 25 30 and 14-e12 = 1620 (consider air permeability equal to vacuum ,-4 T 10-7H/rn). - Calculate the total reluctance of the magnetic circuit. - Assuming the maximum flux density for both materials is Bmax 400 mT,...
Problem 4. A 10 mH inductor has a sudden current change from 200 mA to 100...
Problem 4. A 10 mH inductor has a sudden current change from 200 mA to 100 mA in 1 ms. Find the induced voltage. Problem 5. A induced voltage across a 10 mH inductor is v(t) 120 cos (377t) V. Find (a) the expression for the inductor current and (b) the expression for the power. The current in a 25 mH inductor is given by the expressions: i(t) 0 i(t) 10 (1-e) mA Find the voltage across the inductor and...
15 marks] B. A toroidal core with a mean diameter of 200 mm and a cross-sectional area of 800 mm has an air gap of length 1.1 mm cut in it Fringing and leakage of flux around the air gap may be negle...
15 marks] B. A toroidal core with a mean diameter of 200 mm and a cross-sectional area of 800 mm has an air gap of length 1.1 mm cut in it Fringing and leakage of flux around the air gap may be neglected (i) Determine the current required in a coil of 1100 turns to produce a flux density of 1 T The relative permeability , of the core material (iron) may be assumed to be 3000 for this level...
B.1. Figure B.1 shows a magnetic circuit whose parameters are specified in the table below. For a coil of 800 turns carrying 1.5 amp, determine the flux densities in each material, the inductance of...
B.1. Figure B.1 shows a magnetic circuit whose parameters are specified in the table below. For a coil of 800 turns carrying 1.5 amp, determine the flux densities in each material, the inductance of the coil, the energy storage of the circuit, and the force between the faces of the air gap. Leakage flux and fringing at the air gap will be neglected Material Length Area 15.24 cm 3.23 cm2 300 15.24 cm 3.23 cm2 500 50.8 cm6.45 cm2 1000...
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)...
2. N-300, R-7, 3x3 cm of the magnetic core square cross section, negligit the reluctance of the magnetic materical+ a) the length of the air gap 1mm, has a flux density of 0.55+ L. Find the required current and the DC voltage source Il. Find the stored field energy b) Air gap 0, flux density -1.3, find the mechanical energy+
EO Vuy vvvvvvvv NTurns 93 The relative permeability of the core material is 3500, and the average length of the core is 52cm as the cross- section of the core is 64cm2. The core is uniform of cross-section (all limbs have the same cross-section). There are 80 turns on the coil. Answer the following questions, 1) The reluctance of the core (AT/Wb) 2) Find the flux density (T) of the core if the current į in the coil is 0.75...
Please explain your answer and clarify your steps
3. Magnetic Circuit The magnetic circuit shown in the figure is formed by two 'E' cores made of two different materials, with air gap g-0.5 mm. The relative permeability of each material is μre11 = 25 30 and 14-e12 = 1620 (consider air permeability equal to vacuum ,-4 T 10-7H/rn). - Calculate the total reluctance of the magnetic circuit. - Assuming the maximum flux density for both materials is Bmax 400 mT,...
Problem 4. A 10 mH inductor has a sudden current change from 200 mA to 100 mA in 1 ms. Find the induced voltage. Problem 5. A induced voltage across a 10 mH inductor is v(t) 120 cos (377t) V. Find (a) the expression for the inductor current and (b) the expression for the power. The current in a 25 mH inductor is given by the expressions: i(t) 0 i(t) 10 (1-e) mA Find the voltage across the inductor and...
15 marks] B. A toroidal core with a mean diameter of 200 mm and a cross-sectional area of 800 mm has an air gap of length 1.1 mm cut in it Fringing and leakage of flux around the air gap may be neglected (i) Determine the current required in a coil of 1100 turns to produce a flux density of 1 T The relative permeability , of the core material (iron) may be assumed to be 3000 for this level...
B.1. Figure B.1 shows a magnetic circuit whose parameters are specified in the table below. For a coil of 800 turns carrying 1.5 amp, determine the flux densities in each material, the inductance of the coil, the energy storage of the circuit, and the force between the faces of the air gap. Leakage flux and fringing at the air gap will be neglected Material Length Area 15.24 cm 3.23 cm2 300 15.24 cm 3.23 cm2 500 50.8 cm6.45 cm2 1000...
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)...
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