//Exa 5.19 clc; clear; close; //Given data : L=80;//km f=50;//Hz Z=(0.15+%i*0.78)*L;//ohm Y=(%i*5*10^-6)*L;//mho A=1+1/2*Y*Z;//parameter of 3-phase line D=A;//parameter of 3-phase line B=Z*(1+1/4*Y*Z);//parameter of 3-phase line C=Y;//parameter of 3-phase line disp(A,"Parameter A : "); disp(B,"Parameter B : "); disp(C,"Parameter C : "); disp(D,"Parameter D : "); //Answer of B is wrong in the book.