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+// Example 5.1
+// Computation of minimum value of (a) Locked rotor torque (b) Breakdown torque
+// (c) Pull up torque
+// Page No. 173
+
+clc;
+clear;
+close;
+
+// Given data
+f=60;               // Frequency in Hz
+p=6;                // Number of poles
+hp=10;              // Horsepower
+n=1150;             // Rated speed of machine
+ns=120*f/p;
+
+
+// (a) Locked rotor torque
+Trated=hp*5252/n;   // Rated torque 
+Tlockedrotor=2.25*Trated;
+
+// (b) Breakdown torque
+Tbreakdown=1.90*Trated;
+
+// (c) Pull up torque
+Tpullup=1.65*Trated;
+
+
+// Display result on command window
+printf("\n Locked rotor torque = %0.1f lb-ft ",Tlockedrotor);
+printf("\n Breakdown torque = %0.1f lb-ft ",Tbreakdown);
+printf("\n Pull up torque = %0.1f  lb-ft",Tpullup);