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+// FUNDAMENTALS OF ELECTICAL MACHINES 
+// M.A.SALAM 
+// NAROSA PUBLISHING HOUSE 
+// SECOND EDITION
+
+// Chapter 10 : SYNCHRONOUS MOTOR
+// Example : 10.4
+
+clc;clear; // clears the console and command history 
+
+// Given data
+P = 4 // number of poles
+f = 50 // supply frequency in Hz
+V_t = 1500 // terminal voltage per phase in V
+E_f = 1000 // excitation voltage per phase in V
+Z_s = 12 // synchronnous impedance in ohm
+R_a = 1.5 //armature resistance in ohm
+
+// caclulations
+P_dm = (((E_f*V_t)/Z_s)-((E_f^2*R_a)/Z_s^2)) // maximum power per phase in W
+T_dm = 9.55*P_dm/1500 // maximum torque in N-m
+
+// display the result  
+disp("Example 10.4 solution"); 
+printf(" \n Maximum power developed \n P_dm = %.0f W \n", P_dm );
+printf(" \n Maximum toruqe \n T_dm = %.1f N-m \n", T_dm );