Find the value of I required to establish a magnetic flux of Ø = 0.75 x 10-4 Wb in the series magnetic circuit of following Figure. Hcore(cast steel) = 280 At/m, Hg(air-gap) : 7.96 x 105 Bg. Ans. I = 4.12 A
Find the value of I required to establish a magnetic flux of Ø = 0.75 x 10-4 Wb in the series magnetic circuit of following Figure. Hcore(cast steel) = 280 At/m, Hg(air-gap) : 7.96 x 105 Bg. Ans. I = 4.12 A
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter8: Basic Electric Motors
Section: Chapter Questions
Problem 3RQ
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Transcribed Image Text:Find the value of I required to establish a magnetic flux of Ø = 0.75 x 10-4 Wb in the
series magnetic circuit of following Figure. Hcore(cast steel) = 280 At/m, Hg(air-gap) :
7.96 x 105 Bọ. Ans. I = 4.12 A
All cast steel
Rcore
Area (throughout)
= 1.5 x 10ªm²
Air gap
$ = 0.75 x 104 Wb
N = 200 turns
I
(a)
----
Redefab
= 100 x 10-3 m
!edefab
Ie = 2 x 10³ m
Rbc
E'
(b)
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