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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3784/CH2/EX2.1/Ex2_1.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3784/CH2/EX2.1/Ex2_1.sce')
| -rw-r--r-- | 3784/CH2/EX2.1/Ex2_1.sce | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/3784/CH2/EX2.1/Ex2_1.sce b/3784/CH2/EX2.1/Ex2_1.sce new file mode 100644 index 000000000..f6a4828be --- /dev/null +++ b/3784/CH2/EX2.1/Ex2_1.sce @@ -0,0 +1,34 @@ +clc
+//variable initialisation
+a1=0//Initial Firing Angle of Converter
+Vl=460//Line to Line Voltage in Volts
+Ia=170//armature Current in Ampere
+Ra=0.0999//Armature Resistance in ohm
+K=0.33
+a2=30
+N1=1750//Rotor Speed in rpm
+
+//solution
+Vm=(sqrt(2)/sqrt(3))*Vl
+Va=(3*sqrt(3)/%pi)*Vm*cosd(a1)
+Ia1=17
+Eb1=Va-(Ia1*Ra)
+N0=Eb1/K//no load Speed in rpm
+Va2=Va*cosd(a2)//For alpha=30
+Eb2=Va2-(Ia1*Ra)
+N01=Eb2/K//No load speed at alpha=30
+Eb3=K*N1//For Full load Condition
+Va3=Eb3+(Ia*Ra)
+a3=acosd(Va3/Va)
+P=Va3*Ia
+Irms=Ia*sqrt(((180-a3)/180))
+Vph=Vl/sqrt(3)
+pf=P/(3*Vph*Irms)//Power Factor
+Eb4=Va3-(Ia1*Ra)
+N4=Eb4/K
+R=(N4-N1)*100/N1//Speed Regulation
+printf('\n\n No load speed at alpha 0=%0.1f rpm\n\n',N0)
+printf('\n\n No load speed at alpha 30=%0.1f rpm\n\n',N01)
+printf('\n\n The Firing Angle for rated speed=%0.1f\n\n',a3)
+printf('\n\n Power Factor at rated speed=%0.1f\n\n',pf)
+printf('\n\n Speed Regulation=%0.1f\n\n',R)
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