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Diffstat (limited to '2642/CH9/EX9.7')
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diff --git a/2642/CH9/EX9.7/Ex9_7.sce b/2642/CH9/EX9.7/Ex9_7.sce new file mode 100755 index 000000000..f69245998 --- /dev/null +++ b/2642/CH9/EX9.7/Ex9_7.sce @@ -0,0 +1,35 @@ +// FUNDAMENTALS OF ELECTICAL MACHINES
+// M.A.SALAM
+// NAROSA PUBLISHING HOUSE
+// SECOND EDITION
+
+// Chapter 9 : SYNCHRONOUS GENERATOR
+// Example : 9.7
+
+clc;clear; // clears the console and command history
+
+// Given data
+P = 10 // number of poles
+m = 3 // number of phase
+f = 50 // frequency in Hz
+phi_m1 = 0.05 // flux per pole in Wb
+phi_m3 = 0.006 // flux per pole in Wb
+T_c = 150 // coil
+
+// caclulations
+T_p = 3*3 // pole pitch interms of slots 3 slots per pole per phase hence for 3 phase
+slots_1 = 180/T_p // pole pitch per slots
+y = 180-T_c // short pitch angle
+n = 3 // number of slots
+k_p1 = cosd(y/2) // pitch factor
+k_d1 = sind((n*slots_1)/2)/(n*sind(slots_1/2)) // distribution factor
+E_1 = 4.44*k_p1*k_d1*f*phi_m1*T_c // induced voltage in V
+k_p3 = cosd(y/2) // pitch factor
+k_d3 = sind((n*slots_1)/2)/(n*sind(slots_1/2)) // distribution factor
+E_3 = 4.44*k_p3*k_d3*f*phi_m3*T_c // induced voltage in V
+E = sqrt(E_1^2+E_3^2) // induced voltage per phase in V
+
+// display the result
+disp("Example 9.7 solution");
+printf(" \n Induced voltage per phase is \n E = %.0f V \n", E );
+
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