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+//Electric Drives:concepts and applications by V.subrahmanyam
+//Publisher:Tata McGraw-Hill 
+//Edition:Second 
+//Ex1_13
+clc;
+clear;
+V=500;//Voltage in V
+r1=0.13;//resistance in ohm
+r2=0.32;//resistance in ohm
+x1=0.6*%i;//reactance in ohm
+x2=1.48*%i;//reactance in ohm
+rm=250;//resistance in ohm
+xm=20;//reactance in ohm
+S=0.05;//Full load slip in %
+Z2=r1+x1+(r2/S)+x2;
+disp(Z2,"The impedence of motor is:")
+I2=(V/(sqrt(3)*(6.853)));
+T1=3*(I2)^2*(r2/S);
+Sb=2-S;
+Sf=2-S+r1;
+Zb=r1+x1+(Sb/Sf)+x2;
+disp(Zb,"The impedence at plugging is:")
+I=(V/(sqrt(3)*(2.336)));
+T2=3*(I)^2*(Sb/Sf);
+T=T1+T2;
+disp(T,"The braking torque in Nm is:")