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//To determine parameters of an 3 phase delta connected 4 pole induction motor
clc;
clear;
V=440;
f=50;
p=4;
E2=150;
Nr=1450;
Ns=120*f/p;
s=(Ns-Nr)/Ns;
rf=s*f; // Rotor frequency
Eir=s*E2; // Rotor induced EMF per phase
gc=1;
// To find the GCD of both the voltages
for i=E2:-1:1
a=modulo(V,i);
b=modulo(E2,i);
if(a==0&b==0)
gc=gc*i;
break;
end
end
printf('The parameters for a motor running at 1450 rpm are \n')
printf('i) The slip = %g percent \n',s)
printf('ii) The frequency of the rotor induced EMF =%g Hz \n',rf)
printf('iii) The rotor induced EMF per phase = %g V \n',Eir)
printf('iv) Stator to rotor turn ratio = %g : %g \n',V/gc,E2/gc)
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