blob: b5f8f1c928c22d0ca725f8f2e8e72896e3376377 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
//Book - Power System: Analysis & Design 5th Edition
//Authors - J. Duncan Glover, Mulukutla S. Sarma, and Thomas J. Overbye
//Chapter - 10 ; Example 10.9
//Scilab Version - 6.0.0 ; OS - Windows
clc;
clear;
Srated = 10; //power rating in MVA
Vprtr = 80; //primary side of transformer voltage in kV
Vsectr = 20; //secondary side of transformer voltage in kV
CTratiopr = 150/5; //primary CT ratio
CTratiosec = 600/5; //secondary CT ratio
I1rated = (Srated*10^6)/(Vprtr*10^3); //rated current 1 in Amperes
I2rated = (Srated*10^6)/(Vsectr*10^3); //rated current 2 in Amperes
I1 = I1rated/CTratiopr; //differential current 1 in Amperes
I2 = I2rated/CTratiosec; //differential current 2 in Amperes
I = I1-I2; //differential current at rated conditions in Amperes
k = 0.5/2.25; //from figure 10.34
printf('The value of k is %f',k);
|