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+clc;
+f=50;
+P=4;
+Pm=10000; //Rated output
+N=1425;
+Nm=1200; //Speed at which maximun torque is developed
+
+Ns=(120*f)/P;
+s=(Ns-N)/Ns;
+Ws=(2*%pi*Ns)/60;
+Tefl=(Pm/Ws)*(1/(1-s));
+smT=(Ns-Nm)/Ns;
+Tem=Tefl*((s/smT)+(smT/s))*(1/2);
+Test=Tem*(2)*(1/((1/smT)+(smT/1)));
+mprintf('The starting torque is %f Nm',Test);