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// FUNDAMENTALS OF ELECTICAL MACHINES
// M.A.SALAM
// NAROSA PUBLISHING HOUSE
// SECOND EDITION
// Chapter 8 : STARTING, CONTROL AND TESTING OF AN INDUCTION MOTOR
// Example : 8.7
clc;clear; // clears the console and command history
// Given data
P_1 = 6 // number of pole
P_2 = 4 // number of pole
f =50 // supply frequency in Hz
P = 60 // power in kW
// caclulations
s = P_2/(P_1+P_2) // combined slip
N_cs = 120*f/(P_1+P_2) // combined synchronous speed in rpm
P_0 = P*(P_2/(P_1+P_2)) // o/p of 4-pole motor in kW
// display the result
disp("Example 8.7 solution");
printf(" \n Combined slip \n s = %.1f \n", s );
printf(" \n Combined synchronous speed \n N_cs = %.0f rpm \n", N_cs );
printf(" \n Out-power of 4-pole motor \n P_0 = %.f kW \n", P_0 );
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