blob: 51eac99cca82d29d7235602f5f5030fdc96ae888 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
//Electric Power Generation, Transmission and Distribution by S.N.Singh
//Publisher:PHI Learning Private Limited
//Year: 2012 ; Edition - 2
//Example 12.1
//Scilab Version : 6.0.0 ; OS : Windows
clc;
clear;
V=33; //Operating voltage of line in kV
m=10; //Mutual capacitance of unit
n=4; //No of string units
V_tot=V/3^(1/2); //Total voltage across the string in kV
V1=V_tot/(1+1.1+1.31+1.651); //Voltage across the topmost unit in kV
V2=V1*(1+(1/m)); //Voltage across the second unit from the top in kV
V3=V1*(1+(3/m)+(1/m^(2))); //Voltage across the third unit from the top in kV
V4=V3*(1+(1/m))+(V2/m)+(V1/m); //Voltage across the fourth unit from the top in kV
str_eff=V_tot/(n*V4); //String efficiency in percentage
printf("\nThe string efficiency is %.2f percentage",str_eff*100);
|
