3.20 points - Magnetic circuit: A two-legged ferromagnetic core with relative permeability of 1500 is shown...
[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...
Refer to the Figure 3. The core has a relative permeability of 5,000. The peak(maximum) flux density in the core is 1.6T (i.e, the material = 1.6T).The magnetic material is otherwise linear. The dimensions are: x = 20cm, d = 30cm, and the outside diameter is 160cm. Determine the following: 17. If the winding has N,=50 turns, determine the inductance of the winding. 18. If the winding has N-50 turns, determine the maximum rms voltage that can be applied to...
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...
Question 7 A magnetic core is shown in Figure 1. Relative permeability of the core is 14 = 2000. Total number of winding turns in the left winding is NL = 100 and in the right winding is Nr = 10. Assume that the core cross section is uniform and the combined length of all air-gaps is much smaller than the dimensions of the core cross-section. Calculate the following: a) The magnetomotive force in the core if i = 2...
3. [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 cm², 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%...
3. A ferromagnetic core with a relative permeability of 1600 is shown in the following figure. The core depth is 6 cm. 10 cm20 cm 5 cm 10 cm i=2A 300 turns3 30 cm 10 cm Core Depth = 6cm Assuming the current in the coil with 300 turns to be 2 A a) Find l1. l2. l3 and l in meters. (4 points)
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...
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...