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+// ELECTRICAL MACHINES
+// R.K.Srivastava
+// First Impression 2011
+// CENGAGE LEARNING INDIA PVT. LTD
+
+// CHAPTER : 5 : INDUCTION MACHINES
+
+// EXAMPLE : 5.7
+
+clear ; clc ; close ; // Clear the work space and console
+
+
+// GIVEN DATA
+
+f = 50;                     // Frequency of the 2-pole Induction Motor
+p = 2;                      // Total Number of Poles
+
+
+// CALCULATIONS
+
+Ns = (120*f)/p;                 // Synchronous Speed in RPM
+Ns5 = -(120*f)/(5*p);           // Synchronous Speed of 5th order space harmonic in RPM
+N5 = -(120*5*f)/p;              // Synchronous Speed of 5th order time harmonic in RPM
+Ns7 = (120*f)/(7*p);           // Synchronous Speed of 7th order space harmonic in RPM
+N7 = (120*7*f)/p;              // Synchronous Speed of 7th order time harmonic in RPM
+
+
+// DISPLAY RESULTS
+
+disp("EXAMPLE : 5.7 : SOLUTION :-");
+printf("\n (a.1) Synchronous Speed of 5th order space harmonic, Ns5 = %.f RPM \n",Ns5)
+printf("\n (a.2) Synchronous Speed of 5th order time harmonic, N5 = %.f RPM \n",N5)
+printf("\n (b.1) Synchronous Speed of 7th order space harmonic, Ns7 = %.2f RPM \n",Ns7)
+printf("\n (b.2) Synchronous Speed of 7th order time harmonic, N7 = %.f RPM \n",N7)
+
+