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+// FUNDAMENTALS OF ELECTICAL MACHINES 
+// M.A.SALAM 
+// NAROSA PUBLISHING HOUSE 
+// SECOND EDITION
+
+// Chapter 4 : DIRECT CURRENT GENERATORS
+// Example : 4.5
+
+
+clc;clear; // clears the console and command history 
+
+// Given data
+P = 6 // number of poles
+Z = 600 // number of conductors
+phi = 0.05 // flux per pole in Wb
+N = 1000 // speed in rpm
+I_a = 120 // generetor supply current in A
+
+// caclulations 
+A=6 // for lap-wound A=P
+E_g = (P*phi*Z*N)/(60*A) // generated voltage in V
+T_em = ((P*Z*phi)/(2*%pi*A))*I_a // electromagnetic torque in N-m
+
+
+// display the result 
+disp("Example 4.5 solution");
+printf(" \n Generated voltage \n E_g = %.0f V \n", E_g);
+printf(" \n Electromagnetic torque \n T_em = %.2f N-m \n", T_em);