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// Example 1.9
// Computation of (a) Frequency of the generated emf (b) Speed of the rotor
//Page No. 31
clc;
clear all;
close;
// Given data
Erms=100; // Voltage generated in armature coil
N=15; // Number of turns in armature coil
phimax=0.012; // Flux per pole
P=4; // Number of poles
// (a) frequency of the generated emf
f=Erms/(4.44*N*phimax);
// (b) speed of the rotor
n=2*f/P;
nmin=n*60;
//Display result on command window
printf("\n Frequency of the generated emf = %0.0f Hz ",f);
printf("\n Speed of the rotor = %0.2f r/s",n);
printf("\n Speed of the rotor = %0.0f r/min",nmin);
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