Page 85 - Basic Electrical Engineering
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or,
or,
−3
M = 50 × 10 H
Self-inductance of coil 1 is
Using the formula,
or,
−3
L = 694.4 × 10 H
2
Example 1.16 Two coils of number of turns N = 1000 and N = 400,
1
2
respectively, are placed near each other. They are magnetically coupled in
such a way that 75 per cent of the flux produced by the one of 1000 turns
links the other. A current of 6 A produces a flux of 0.8 mWb in N and the
1
same amount of current produces a flux of 0.5 mWb in the coil of N turns.
2
Determine L , L , M, and K for the coils.
1
2
Solution:
