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+// Example 5.5
+// Computation of minimum value of (a) Shaft speed (b) Rotor current referred 
+// to the stator
+// Page No. 187
+
+clc;
+clear;
+close;
+
+// Given data
+f=60;               // Frequency in Hz
+p=12;               // Number of poles
+nr=591.1;           // Rated speed of machine
+v=575;              // Voltage rating of the machine
+R2=0.055;
+
+// (a) Shaft speed
+ns=120*f/p;        // Speed (r/min)
+s1=(ns-nr)/ns;     // Slip 1
+s2=1.25*s1;        // Slip 2
+nr1=ns*(1-s2);
+
+// (b) Rotor current referred to the stator
+V=v/sqrt(3);
+I2=V*s2/R2;
+
+// Display result on command window
+printf("\n Shaft speed = %0.0f r/min ",nr1);
+printf("\n Rotor current referred to the stator = %0.0f A ",I2);
+