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+//Book name: Fundamentals of electrical drives by Mohamad A. El- Sharkawi
+//chapter 5
+//example 5.1
+//edition 1
+//publisher and place:Nelson Engineering
+clc;
+clear;
+kpie=3; //flux in voltsec
+Vt=600; //voltage in volts
+Ra=2; //armature resistance in ohms
+Ia=5; //armature current at fullload in ampere
+Td=kpie*Ia; //rated torque in Nm
+disp(Td,'The rated torque in Nm is')
+Tst=(Vt*kpie)/Ra; //starting torque
+disp(Tst,'The starting torque in Nm is')
+Ist=Vt/Ra; //starting current
+disp(Ist,'The starting current in ampere is')