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// FUNDAMENTALS OF ELECTICAL MACHINES
// M.A.SALAM
// NAROSA PUBLISHING HOUSE
// SECOND EDITION
// Chapter 3 : TRANSFORMER AND PER UNIT SYSTEM
// Example : 3.4
clc;clear; // clears the console and command history
// Given data
N_1 = 450 // number of turns in the primary coil of transformer
N_2 = 45 // number of turns in the secondary coil of transformer
Z_L = 3 // load impedance in Ω
V_1 = 15 // primary coil voltage of transformer in V
// caclulations
a = N_1/N_2 // turn ratio
Z_1 = a^2*Z_L // load impedance referred to primary ohm
I_1 = V_1/Z_1 // primary current in A
// display the result
disp("Example 3.4 solution");
printf(" \n Turn ratio \n a = %.0f \n", a);
printf(" \n Load impedance referred to primary \n Z_1 = %.0f Ω \n", Z_1);
printf(" \n Primary current \n I_1 = %.2f A \n", I_1);
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