diff options
Diffstat (limited to '3784/CH2/EX2.12/Ex2_12.sce')
| -rw-r--r-- | 3784/CH2/EX2.12/Ex2_12.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3784/CH2/EX2.12/Ex2_12.sce b/3784/CH2/EX2.12/Ex2_12.sce new file mode 100644 index 000000000..87c682161 --- /dev/null +++ b/3784/CH2/EX2.12/Ex2_12.sce @@ -0,0 +1,21 @@ +clc
+//variable initialization
+Php=100 //power in hp
+P=Php*735.5 //power in Watts
+Va1=440 //voltage in volts
+N1=1000 //speed in rpm
+N2=500 //speed in rpm
+Eb1=430//Given back EMF in volts
+Vrms=415 //RMS voltage in volts
+
+//solution
+Eb2=Eb1*(N2/N1)
+Ia1=P/Va1
+Ra=10/Ia1
+Ia2=0.85*Ia1
+Va2=Eb2+Ia2*Ra//At 85% load and 500 rpm
+a=acosd(Va2/(1.35*Vrms))
+printf('\n\n The Firing Angle=%0.1f\n\n',a)
+
+
+
|