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+//Electric machines and power systems by Syed A Nasar
+//Publisher:Tata McGraw Hill
+//Year: 2002 ; Edition - 7 
+//Example 6.11
+//Scilab Version : 6.0.0    ; OS : Windows
+
+clc;
+clear;
+
+p=25*10^3;       //power rating in w
+E=230;           //generated voltage in v
+N=1200;          //speed in rpm
+Ra=0.12;           //armature resistance in ohm
+Rf=100;          //field resistance in ohm
+Pme=300;          //machanical loss in W
+pml=200;        //magnetic loss in w
+At1=2500;        //ampere turns per pole
+At2=1500;          //ampere turns per pole
+va=200;          //voltage in V
+nf=1000;        //number of turns in field winding
+
+Ia=p/va;
+V=E-Ia*Ra;
+Pout=V*Ia;
+Pa=Ia^2*Ra;
+If=At1/nf;
+Pf=If^2*Rf;
+pin=Pout+Pa+Pf+Pme+pml;
+Eff=Pout/pin;
+N1=(N*2*3.14)/60;      //speed in rad/s
+Tin=(pin-Pf)/N1;
+Vreg=(E-V)*100/V;
+
+printf('armature terminal voltage is %f V\n',V)
+printf('Effeciency is %f\n',Eff)
+printf('Input torque is %f Nm\n',Tin)
+printf('Voltage regulation is %f in percentage',Vreg)