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V=12500
Xs=8

Vt=V/sqrt(3)
Ef=Vt

Ef=Vt*1.2
Ia=(Ef-Vt)/Xs
theta=%pi/2
pf=0
Pe=0
Qe=-sqrt(3)*V*Ia
disp(Ia)
disp(Pe)
disp(Qe)
disp(pf)

Ef=Vt*0.8
Ia=(Vt-Ef)/Xs
theta=-%pi/2
pf=0
Pe=0
Qe=sqrt(3)*V*Ia
disp(Ia)
disp(Pe)
disp(Qe)
disp(pf)