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 it) 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 91= 1mm N= 500 turns A2 = 7cm2 92=2mm B= 1.2sinwt T A3= 14cm2 93 =3mm F= 60HZ A2 A1 gi A3 g3

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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
A1
g1
A3
A2
g3
N
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 A1 g1 A3 A2 g3 N
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