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//Calculating additional resistance required
//Chapter 4
//Example 4.23
//page 320
clear;
clc;
disp("Example 4.23")
// we know (Ts/Tm)=((2*a)/(1+a^2))
//where a=(R2/X20)
//at starting contion since Tm=Ts
disp("At starting contion since Tm=Ts")
a=1 //we obtain from the relations
R2=0.05; //circuit resistance in ohms
X2=0.4; //standstill reactance in ohms
r=(a*X2)-R2; //r is the extra that is added to the rotor circuit
printf("extra resistance added,r=%fohms",r)
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