blob: a2209b5d492deb1f628a415a7e73060843cb874c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
//Electric Power Generation, Transmission and Distribution by S.N.Singh
//Publisher:PHI Learning Private Limited
//Year: 2012 ; Edition - 2
//Example 10.9
//Scilab Version : 6.0.0 ; OS : Windows
clc;
clear;
f=50; //Frequency of the condutor in Hz
D1=31.8; //Diameter of ACSR Moose conductor in mm(Unbundled conductor)
d1=10; //Hoizontal spacing between adjacent conductors in m
D2=19.6; //Diameter of ASCR Lynx conductor in mm(Bundled conductor)
d2=10; //Spacing measured by centre of the bundle in m
Db=0.4; //Spacing between the bundled conductors in m
r1=D1*10^-3/2; //Radius of unbundled conductor in m
Dm=nthroot((d1*d2*(d1+d2),3)); //Mutual GMD of unbundled conductorin m
Dls1=0.7788*r1; //GMR For Inductance of unbundled conductor in m
Dcs1=r1; //GMR For Capacitance of unbundled conductor in m
XL1=2*%pi*f*2*10^(-4)*log(Dm/Dls1); //Inductive Reactance of unbundled conductor in ohm/km/phase
XC1=(log(Dm/Dcs1))/(((2*%pi)^2)*f*8.85*10^(-12)); //Capacitive Reactance of unbundled conductor in ohm-km/phase
r2=D2*10^-3/2; //Radius of bundled conductor in m
Dls2=nthroot((0.7788*r2*Db^2),3); //Self GMR for Inductance of bundled conductor in m
Dcs2=nthroot((r2*Db^2),3); //Self GMR for Capacitance of bundled conductor in m
XL2=2*%pi*f*2*10^(-4)*log(Dm/Dls2); //Inductive Reactance of bundled conductor in ohm/km/phase
XC2=(log(Dm/Dcs2))/(((2*%pi)^2)*f*8.85*10^(-12)); //Capacitive Reactance of bundled conductor in ohm-km/phase
printf("\nThe value inductive reactance and capacitive reactance of unbundled conductor is %.3f ohm/km/ph and %.3e ohmkm/ph ",XL1,XC1/10^(3));
printf("\nThe value inductive reactance and capacitive reactance of bundled conductor is %.4f ohm/km/ph and %.4e ohmkm/ph ",XL2,XC2/10^(3));
|