diff options
Diffstat (limited to '3784/CH2/EX2.11')
| -rw-r--r-- | 3784/CH2/EX2.11/Ex2_11.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/3784/CH2/EX2.11/Ex2_11.sce b/3784/CH2/EX2.11/Ex2_11.sce new file mode 100644 index 000000000..f11d443e2 --- /dev/null +++ b/3784/CH2/EX2.11/Ex2_11.sce @@ -0,0 +1,18 @@ +clc
+//variable initialization
+P=100e+3 //power in W
+Va1=440 //Supply voltage in volts
+N1=1000 //speed in rpm
+N2=800 //speed in rpm
+Eb1=410 //given Back EMF in volts
+Vrms=415 //RMS voltage in volts
+f=50 //Supply frequency in Hz
+
+//solution
+Eb2=Eb1*(N2/N1)
+Ia1=P/Va1
+Ra=(Va1-Eb1)/Ia1
+Ia2=0.75*Ia1//At 75% of rated torque
+Va2=Eb2+(Ia2*Ra)
+a=acosd((Va2*%pi)/(3*sqrt(2)*Vrms))
+printf('\n\n The Firing Angle=%0.1f\n\n',a)
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