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+//Electric machines and power systems by Syed A Nasar
+//Publisher:Tata McGraw Hill
+//Year: 2002 ; Edition - 7 
+//Example 5.3
+//Scilab Version : 6.0.0    ; OS : Windows
+
+clc;
+clear;
+
+I=50;          //current in A
+pf=0.707;      //power factor
+v=220;          //voltage in v
+xs=1.27;         //synchronous reactance/phase in ohm
+pm=33*10^3;          //power developed by the motor in w
+pa=30;             //power angle
+phia=30;            //phase angle
+
+v1=220/3^(1/2);
+pd=(pm*10^3)/3;
+v0=(pd*xs)/(v1*sin(pa));
+Ia=v1/xs;
+kvar=3^(1/2)*v*Ia*sind(phia)/10^3;
+Il=I-Ia;
+Phi=atan(.122);
+Pfn=cos(Phi);
+
+printf('KVAR is %f\n',kvar)
+printf('power factor of the motor is %f',Pfn)