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Diffstat (limited to '3890/CH6/EX6.13/Ex6_13.sce')
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diff --git a/3890/CH6/EX6.13/Ex6_13.sce b/3890/CH6/EX6.13/Ex6_13.sce new file mode 100644 index 000000000..3aee1ad31 --- /dev/null +++ b/3890/CH6/EX6.13/Ex6_13.sce @@ -0,0 +1,26 @@ +//Electric machines and power systems by Syed A Nasar
+//Publisher:Tata McGraw Hill
+//Year: 2002 ; Edition - 7
+//Example 6.13
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+At1=2000; //amper eturns per pole
+Va=250; //armature voltage in v
+Ia=100; //armature current in A
+Ra=0.12; //armature resistance in ohm
+N=1200; //speed in rpm
+Atloss=250; //due to demagnetising effect
+
+Atnew=At1-Atloss;
+E=Va-Ia*Ra;
+E1=202; //from graph 6.41 at Atnew
+N1=N*E/E1;
+n1=N1*2*3.14/60;
+T=E*Ia/n1;
+
+
+printf('The motor speed is %f rpm[%f rad/s]\n',N1,n1);
+printf('the torque is %f Nm',T)
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