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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2345/CH15/EX15.40 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '2345/CH15/EX15.40')
| -rwxr-xr-x | 2345/CH15/EX15.40/Ex15_40.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/2345/CH15/EX15.40/Ex15_40.sce b/2345/CH15/EX15.40/Ex15_40.sce new file mode 100755 index 000000000..cf87200c5 --- /dev/null +++ b/2345/CH15/EX15.40/Ex15_40.sce @@ -0,0 +1,18 @@ +//Finding current
+//Example 15.40(pg. 418)
+clc
+clear
+phi=70000/(10^8)//flux to be set up in Wb since 10^8lines =1Wb
+d=0.03//diameter in m
+a=%pi*d*d/4//area of cross section in m^2
+B=phi/a//flux density in Wb/m^2
+Lg=0.002//length of air gap in m
+Ls=(%pi*0.2)-Lg//length of steel path
+Uo=4*%pi*(10^-7)//absolute permitivity
+Ur=800//relative permitivity of steel
+Hg=B/Uo
+Hs=B/(Uo*Ur)
+AT=(Hg*Lg)+(Hs*Ls)//total ampere turns required
+N=500// no of turns
+I=AT/N//exciting current in amps
+printf('Thus the value of exciting current is %2.3f A',I)
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