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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/CH1/EX1.24/Ex1_24.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3784/CH1/EX1.24/Ex1_24.sce')
| -rw-r--r-- | 3784/CH1/EX1.24/Ex1_24.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/3784/CH1/EX1.24/Ex1_24.sce b/3784/CH1/EX1.24/Ex1_24.sce new file mode 100644 index 000000000..512646cdb --- /dev/null +++ b/3784/CH1/EX1.24/Ex1_24.sce @@ -0,0 +1,26 @@ +clc
+// Variable Initialization
+Vm=230//Supply Voltage in Volts
+Ra=0.25//Combined Field and Armature circuit resistance in Ohm
+N=1000//Motor speed in Rpm
+V=210//Rated voltage of motor in Volts
+a=30//firing angle in Degree
+Kaf=0.03 //Constant in N-m/A^2
+Kres=0.075 //Constant in V-s/Rad
+
+//Solution
+//For Full-converter controlled Dc Drive
+W=(2*%pi*N)/60 //angular speed in Rad/sec
+Ia=(((2*Vm*1.414)/%pi)*(cosd(a))-(Kres*W))*(1/(Ra+Kaf*W))//Armature current in Amp
+T=Kaf*(Ia)^2//Torque in N-m
+Va=(2*Vm*1.414)*(cosd(a))*(1/%pi)//Average voltage in Volts
+//Input Power if losses are neglected
+Ps=Va*Ia //Power loss in Watt
+Pi=Vm*Ia//power input in watt
+Pf=(Ps/Pi)//Power Factor in Lag
+
+//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)
+printf('\n\n The Supply Power Factor =%0.1f Lag \n\n',Pf)//The answers vary due to round off error
+
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