diff options
Diffstat (limited to '3784/CH1/EX1.22')
| -rw-r--r-- | 3784/CH1/EX1.22/Ex1_22.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/3784/CH1/EX1.22/Ex1_22.sce b/3784/CH1/EX1.22/Ex1_22.sce new file mode 100644 index 000000000..217ed861e --- /dev/null +++ b/3784/CH1/EX1.22/Ex1_22.sce @@ -0,0 +1,19 @@ +clc
+// Variable Initialization
+Vm=240//Supply Voltage in Volts
+Ra=0.9//Combined Field and Armature circuit resistance in Ohm
+N=900 //Motor speed in Rpm
+V=220//Rated voltage of motor in Volts
+a=45//firing angle in Degree
+Kaf=0.035 //Constant in N-m/A^2
+
+//Solution
+//For semi-converter controlled Dc Drive
+Va=(Vm*1.414)*(1+cosd(a))*(1/%pi)//Average voltage in Volts
+W=(2*%pi*N)/60 //angular speed in Rad/sec
+Ia=Va/(Ra+W*Kaf)//Current in Amp
+T=Kaf*(Ia)^2//Torque in N-m
+
+//Results
+printf('\n\n The motor Current =%0.1f Amp \n\n',Ia)
+printf('\n\n The motor Torque =%0.1f N-m \n\n',T)
|