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//Book Name:Fundamentals of Electrical Engineering
//Author:Rajendra Prasad
//Publisher: PHI Learning Private Limited
//Edition:Third ,2014
//Ex3_20.sce.
clc;
clear;
Vm=16*sqrt(2); //Maximum voltage value in volt
Vrms=Vm/sqrt(2); //RMS voltage in volt
R=1; //resistance in ohm
C=-%i; //capacitance in ohm
R1=2; //resistance in ohm
R2=3; //resistance in ohm
C1=-%i; //capacitance in ohm
//After simplication of the network by star-delta transformation
Za=complex(2,-10)/26;
Zb=complex(3,-15)/26;
Zc=complex(30,6)/26;
Voc=(Vrms*(Zc+C))/(R+Za+Zc+C);
Zs=(1/((1/(Za+R))+(1/(Zc+C))))+Zb;
printf("\n (a)")
Zl=Zs;
Zl_mag=sqrt(real(Zl)^2+imag(Zl)^2);
Zl_ang=atand(imag(Zl)/real(Zl));
printf("\n Z_L=%1.2f angle:%2.2f degree \n",Zl_mag,Zl_ang)
printf("\n (b)")
Voc_mag=sqrt(real(Voc)^2+imag(Voc)^2);
Pmax=Voc_mag^2/(2*real(Zl));
printf("\n Maximum power=%2.2f watt \n",Pmax)
//There is a mistake in Zs calculation .Zs=0.7555-0.8539i is wrong .the correct value of Zs=0.6829-0.8536i
//So the answer vary
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