initial commit / add all books

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+//to find slip at max torque,full load slip and rotor current at starting

+

+clc;

+//Tfl=(3/w_s)*(V^2*Rs/s_fl)/((R2/s_fl)^2+X2^2);    (i)

+//Ts=(3/w_s)*(V^2*R2)/(R2^2+X2^2);    (ii)

+//Tmax=(3/w_s)*(.5*V^2)/X2^2;    (iii)

+//Tmax/Ts=2;    k=R2/X2;    (iii)/(ii)and solving

+//k^2-4*k+1=0;

+function [x]=quad(a,b,c)

+    d=sqrt(b^2-4*a*c);

+    x1=(-b+d)/(2*a);

+    x2=(-b-d)/(2*a);

+    if(x1>x2)

+        x=x2;

+    else

+        x=x1;

+    end

+endfunction

+k=quad(1,-4,1);

+disp(k,'s_max_T');

+

+//(iii)/(i)and solving

+//s_fl^2-1.072*s_fl+.072=0

+s_fl=quad(1,-1.072,.072);

+disp(s_fl,'s_fl');

+

+//a=I2_start/I2_fullload

+a=sqrt((k/s_fl)^2+1)/(k^2+1);

+disp(a,'I2_start/I2_fullload');
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