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//Book - Power System: Analysis & Design 5th Edition
//Authors - J. Duncan Glover, Mulukutla S. Sarma, and Thomas J. Overbye
//Chapter - 2 ; Example 2.3
//Scilab Version - 6.0.0 ; OS - Windows
clear;
clc;
P=100 //Real power in kW
pf=0.8; //Power factor
pfc=0.95 //Corrected power factor with capacitor
Ol=acos(pf); //Power factor angle without capacitor
Oc=acos(pfc); //Power factor angle with capacitor
Ql=P*tan(Ol); //Reactive power delivered by the source without capacitor in kVAR
Sl=P/cos(Ol); //Apparent power delivered by the source without capacitor in kVA
Qs=P*tan(Oc); //Reactive power delivered by the source with capacitor in kVAR
Ss=P/cos(Oc); //Apparent power delivered by the source with capacitor in kVA
Qc=Ql-Qs; //Reactive power delivered by the capacitor in kVAR
printf('\nThe capacitor delivers %f kVAR',Qc);
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