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// Examle 15.4
p=4; // No.Of poles
f=50; // Frequency
Ns=(120*f)/p; // Synchronous speed
disp(' The Synchronous Speed (Ns) = '+string(Ns)+' rpm');
s1=0.04; // Slip
N1=Ns*(1-s1); // The Speed of Rotor
disp('(b) The Speed of Rotor (at s=0.04) = '+string(N1)+' rpm');
N=600; // Speed Of rotation
s=(Ns-N)/Ns; // When speed is (600 rmp) Then Slip
fr=s*f; // The Frequence of Rotor (fr)
disp('(d) The Frequence of Rotor (fr) = '+string(fr)+' Hz');
// p 594 15.4
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