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clear;
clc;
Pr=.24;
Vr=.55;
del=asind(Pr/Vr);
a=gca();
a.auto_scale="off";
a.data_bounds=[0,0.3;1.5,1];
xlabel("Voltage");
ylabel(" ReactivePower");
V=[0:.01:5];
Q=((V)^2)+(V*cosd(del));
plot(V,Q);
q=.38;
v=.95;
Qr=((220^2)*q)/60;
Vrr=v*220;
mprintf("Critical power = %.3f MVAR and Critical voltage = %.3f KV",Qr,Vrr);
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