In the magnetic circuit of Fig. 6.49, the core is composed of annealed sheet steel for which a stacking factor of 0.9 should be assumed. The core is 5 cm thick. When ΦA = 0.002 Wb, ΦB = 0.0008 Wb and ΦC = 0.0012 Wb. How many amperes much each coil carry and in what direction ? Use of the following magnetisation curves can be made for solving the problem.

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In the magnetic circuit of Fig. 6.49, the core is composed of annealed sheet steel for which a stacking
factor of 0.9 should be assumed. The core is 5 cm thick. When ΦA = 0.002 Wb, ΦB = 0.0008 Wb and
ΦC = 0.0012 Wb. How many amperes much each coil carry and in what direction ? Use of the following magnetisation curves can be made for solving the problem.

B (Wb/m):
H (AT/m') :
0.2
0.4
0.6
0.8
1.0
1.4
1.6
1.8
50
100
130
200
320
1200
3800
10,000
(Elect. Technology, Vikram Univ.)
B.
500
120
TURNS
TURNS
3
Fig. 6.49
3.
6,
3.
6.
Transcribed Image Text:B (Wb/m): H (AT/m') : 0.2 0.4 0.6 0.8 1.0 1.4 1.6 1.8 50 100 130 200 320 1200 3800 10,000 (Elect. Technology, Vikram Univ.) B. 500 120 TURNS TURNS 3 Fig. 6.49 3. 6, 3. 6.
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