initial commit / add all books

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+// Exa 11.12

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+N = 960;// in rpm

+f = 50;// in Hz

+Ns = 1000;// in rpm

+s = ((Ns-N)/Ns)*100;// %s in %

+disp(s,"The slip in % is");

+f_r = (s/100)*f;// in Hz

+disp(f_r,"The frequency of rotor induced emf in Hz is");

+// Ns = (120*f)/P;

+P = (120*f)/Ns;

+disp(P,"The number of ploes is");

+// Speed of rotor field with respect to rotor structure 

+s1 = (120*f_r)/P;//in rpm

+disp(s1,"Speed of rotor field with respect to rotor structure in rpm is");