Page 39 - Electric Machinery Fundamentals

INTRODUCTION TO MACHINERY PRINCIPLES 15

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1--- 15 cm ----.,~----30 em ----_- 10 cm ---l
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---T--
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15 em
/
__
____ L

N = 200 turns 30 em

-/--------+-- -- - --- ---

'-- ;------ I, --___ ;--.J 15 em

--r---i-,----+-t-----L-
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1-15cm--<_---- 30cm-----i-lO'm-1
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Depth = 10 em
Ca)

'R ,
+
'ilC =Ni)

Cb)
(
FIGURE 1-7
(a) The ferromagnetic core of Example 1- 1. (b) The magnetic circuit corresponding to (a),