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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/EX1.10/Ex1_10.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3784/CH1/EX1.10/Ex1_10.sce')
| -rw-r--r-- | 3784/CH1/EX1.10/Ex1_10.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/3784/CH1/EX1.10/Ex1_10.sce b/3784/CH1/EX1.10/Ex1_10.sce new file mode 100644 index 000000000..058e70909 --- /dev/null +++ b/3784/CH1/EX1.10/Ex1_10.sce @@ -0,0 +1,26 @@ +clc
+// Variable Initialization
+Vm=230 //Supply Voltage in Volts
+R=0.25//Combined Field and Armature circuit resistance in Ohm
+N=1000 //Motor speed in Rpm
+Kaf=0.03 //Constant in N-m/A^2
+Krcs=0.075 //Constant in V-S/Rad
+a=30 //firing angle in Degree
+
+//Solution
+//For a full converter controlled dc motor drive
+W=(2*%pi*N)/60 //Angular speed in Rad/sec
+Ia=((((2*Vm*1.414)/%pi)*cosd(a))-(Krcs*W))/(R+(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
+Po=Va*Ia //Output power in Watt
+Irms=Ia*sqrt((180-a)/180) //Rms Current in Amp
+Pi=Vm*Irms
+pf=Po/Pi //Power factor
+
+//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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