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Diffstat (limited to '1892/CH1/EX1.80/Example1_80.sce')
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1 files changed, 22 insertions, 0 deletions
diff --git a/1892/CH1/EX1.80/Example1_80.sce b/1892/CH1/EX1.80/Example1_80.sce new file mode 100755 index 000000000..8a09763bd --- /dev/null +++ b/1892/CH1/EX1.80/Example1_80.sce @@ -0,0 +1,22 @@ +// Example 1.80
+
+clc;clear;close;
+
+// Given data
+format('v',6);
+P=6;//no. of poles
+f=50;//in Hz
+N=940;//in rpm
+Output=7;//in KW
+Nm=800;//in rpm
+TotalLaser=840;//in watts
+
+//calculations
+Ns=120*f/P;//in rpm
+S=(Ns-N)/Ns;//slip
+Sm=(Ns-Nm)/Ns;//slip at max Torque
+Pmd=Output*1000+TotalLaser;//in watts
+//Formula : Pmd=2*%pi*N*Td/60
+Tdfl=Pmd/2/%pi/N*60;//in N-m
+Tst=Tdfl*(S^2+Sm^2)/S/(1+Sm^2);//in N-m
+disp(Tst,"Starting tiorque in N-m : ");
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