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Diffstat (limited to '3784/CH1/EX1.25')
| -rw-r--r-- | 3784/CH1/EX1.25/Ex1_25.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3784/CH1/EX1.25/Ex1_25.sce b/3784/CH1/EX1.25/Ex1_25.sce new file mode 100644 index 000000000..b8d6fe18f --- /dev/null +++ b/3784/CH1/EX1.25/Ex1_25.sce @@ -0,0 +1,17 @@ +clc
+// Variable Initialization
+Vm=230//Supply Voltage in Volts
+Ra=2//Combined Field and Armature circuit resistance in Ohm
+Kaf=0.23 //Constant in H
+TL=20 //Load Torque in N-m
+a=65//firing angle in Degree
+
+//Solution
+Ia=(TL/Kaf)^(1/2)//Average Armature current in Amp
+V=(2*Vm*1.414)*cosd(a)*(1/%pi)//Average voltage in Volts
+W=(V-Ia*Ra)/(Kaf*Ia) //Angular speed in Rad/sec
+N=(W*60)/(2*%pi) //Speed in Rpm
+
+//Results
+printf('\n\n The motor Average Armature Current =%0.1f Amp \n\n',Ia)
+printf('\n\n The motor Average Speed =%0.1f RPM \n\n',N)//The answers vary due to round off error
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