1. b) Computation of Parameters and Modelling of Transmission Lines in MATLAB | PSS LAB | EEE

PROBLEM 1(b): Determine L and C of double circuit line shown in the figure. The diameter is 2.1793cm.

Theoretical Calculation:

MATLAB Program 1(b): clear; clear all; Dab=4; Dxy=4; Dbc=4; Dyz=4; Dxb=6.4031; Day=6.4031; Dyc=6.4031; Dbz=6.4031; Dca=8; Dzx=8; Dza=9.4339; Dcx=9.4339; Dax=5; Dby=5; Dcz=5; D=0.021793; r=D/2; Ds=(D/2*exp(-1/4)); Dsa=(Ds*Dax)^(1/2); Dsb=(Ds*Dby)^(1/2); Dsc=(Ds*Dcz)^(1/2); GMRL=(Dsa*Dsb*Dsc)^(1/3); DAB=(Dab*Dxy*Day*Dxb)^(1/4); DBC=(Dbc*Dyz*Dyc*Dbz)^(1/4); DCA=(Dca*Dzx*Dza*Dcx)^(1/4); GMD=(DAB*DBC*DCA)^(1/3); GMRC=(r*Dax)^(1/2); L=0.2*(log(GMD)-log(GMRL)); disp(L); C=0.0556/(log(GMD)-log(GMRC)); disp(C);

MATLAB Output:

YouTube Video of My Channel on the Problem you can use this also

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