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// FUNDAMENTALS OF ELECTICAL MACHINES
// M.A.SALAM
// NAROSA PUBLISHING HOUSE
// SECOND EDITION
// Chapter 7 : THREE-PHASE INDUCTION MOTOR
// Example : 7.3
clc;clear; // clears the console and command history
// Given data
V_0 = 230 // supply voltage in V
P = 4 // number of poles
T_0 = 230 // original torque in N-m
V_s = 150 // stator voltage in V
I_0 = 560 // starting cuurent in A
// caclulations
T_st = (V_s/V_0)^2*T_0 // starting torque in N-m
I_st = I_0*(V_s/V_0) // starting current in A
// display the result
disp("Example 7.3 solution");
printf(" \n Starting torque \n T_st = %.1f N-m \n", T_st);
printf(" \n Starting current \n I_st = %.1f A \n", I_st);
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