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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 /1938/CH4/EX4.8/4_8.sce | |
| 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 '1938/CH4/EX4.8/4_8.sce')
| -rwxr-xr-x | 1938/CH4/EX4.8/4_8.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/1938/CH4/EX4.8/4_8.sce b/1938/CH4/EX4.8/4_8.sce new file mode 100755 index 000000000..7f54cb405 --- /dev/null +++ b/1938/CH4/EX4.8/4_8.sce @@ -0,0 +1,27 @@ +clc,clear
+printf('Example 4.8\n\n')
+
+Ns=1500 //synchronous speed in rpm
+Pole=4
+Slots=24
+conductor_per_slot=8
+phi=0.05 //flux per pole in weber
+f=Pole*Ns/120 //frequenccy
+n=Slots/Pole //slots per pole
+m=n // as number of phases is 1
+beeta=180/n //slot angle
+
+K_d=sind(m*beeta/2) /(m*sind(beeta/2)) //distribution factor
+
+//Full pitch= n =6 slots
+//(1/6)th of full pitch =1slot
+//angle of short pitch = 1 slot angle
+alpha=beeta
+K_c=cosd(alpha/2) //coil span factor
+
+Z=conductor_per_slot*Slots //total conductors
+Z_ph=Z // as number of phases is 1
+T_ph=Z_ph/2 //turns per phase
+E_ph=4.44*K_c*K_d* phi *f *T_ph //induced emf
+
+printf('Induced e.m.f is %.1f V ',E_ph)
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