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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1892/CH1/EX1.11 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1892/CH1/EX1.11')
| -rwxr-xr-x | 1892/CH1/EX1.11/Example1_11.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/1892/CH1/EX1.11/Example1_11.sce b/1892/CH1/EX1.11/Example1_11.sce new file mode 100755 index 000000000..e36796b3e --- /dev/null +++ b/1892/CH1/EX1.11/Example1_11.sce @@ -0,0 +1,25 @@ +// Example 1.11
+
+clear; clc; close;
+
+format('v',8);
+// Given data
+f=50;//in Hz
+P=4;//no. of poles
+Pin=50;//in kW
+N=1440;//in rpm
+StatorLoss=1000;//in watts
+FrictionalLoss=650;//in watts
+
+//Calculations
+Ns=120*f/P;//in rpm
+S=(Ns-N)/Ns;//Slip
+
+N=Ns*(1-S);//in rpm
+P2=Pin-StatorLoss/1000;//in KW
+//formula-: P2:Pc:Pm=1:S:1-S
+Pc=S*P2;//in KW
+Pm=P2-Pc;//in KW
+Pout=Pm-FrictionalLoss/1000;//in KW
+Eff=Pout/Pin*100;//in %
+disp(Eff,"Full load efficiency in % : ");
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