A magnetic circuit with three airgap is given below. Assume that the core has infinite permeability (u). Neglect the fringing effect. Calculate, a) The total flux 0, on the middle leg and the current i(t) as flowing in the coil b) The flux linkage A of the coil c) The coil inductance L d) Find the total magnetic eñergy W stored in the system A, = 5cm2 9,= 1mm N=500 turns Az =7cm2 92=2mm B=1.2sinwt T A3 = 14cm2 93 =3mm F = 60HZ A1 g1 A3 A2 g3
A magnetic circuit with three airgap is given below. Assume that the core has infinite permeability (u). Neglect the fringing effect. Calculate, a) The total flux 0, on the middle leg and the current i(t) as flowing in the coil b) The flux linkage A of the coil c) The coil inductance L d) Find the total magnetic eñergy W stored in the system A, = 5cm2 9,= 1mm N=500 turns Az =7cm2 92=2mm B=1.2sinwt T A3 = 14cm2 93 =3mm F = 60HZ A1 g1 A3 A2 g3
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Transcribed Image Text:A magnetic circuit with three airgap is given below. Assume that the core has infinite permeability (µ-). Neglect the fringing effect. Calculate,
a)
The total flux o, on the middle leg and the current i(t) as flowing in the coil
b)
The flux linkage A of the coil
c)
The coil inductance L
d)
Find the total magnetic eñergy W stored in the system
A, = 5cm2
9, = 1mm
N= 500 turns
A, = 7cm?
g, = 2mm
B= 1.2sinwt T
Az = 14cm?
93 = 3mm
F= 60HZ
A2
A1
g1
A3
g3
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