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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/EX1.71 | |
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initial commit / add all books
Diffstat (limited to '1892/CH1/EX1.71')
| -rwxr-xr-x | 1892/CH1/EX1.71/Example1_71.sce | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/1892/CH1/EX1.71/Example1_71.sce b/1892/CH1/EX1.71/Example1_71.sce new file mode 100755 index 000000000..f45a1548b --- /dev/null +++ b/1892/CH1/EX1.71/Example1_71.sce @@ -0,0 +1,22 @@ +// Example 1.71
+
+clc;clear;close;
+
+// Given data
+format('v',7);
+f1=50;//in Hz
+phase=3;//no. of phase
+P=6;//no. of poles
+Nr=960;//in rpm
+GearCuLoss=250;//in watt
+Power=25;//in HP
+MechLoss=1000;//in watts
+I2=35;//in Ampere
+
+//calculations
+Ns=f1*120/P;//in rpm
+S=(Ns-Nr)/Ns;//slip
+//Formula : RotorCuLoss=S/(1-S)*MechDevPower
+//3*I2^2*R2+GearCuLoss=S/(1-S)*(Power*746+MechLoss)
+R2=(S/(1-S)*(Power*746+MechLoss)-GearCuLoss)/3/I2^2;//in ohm
+disp(R2,"Resistance per phase in ohm : ");
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