blob: 2a48f984a61ae3d8f486ee210c89fafb13cb9a3a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
//Calculate percentage regulation
//Chapter 3
//Example 3.15
//page 217
clear;
clc;
disp("Example 3.15")
kVA=30; //rating of the transformer
V1=6000; //primary voltage in volts
V2=230; //secondary voltage in volts
R1=10; //primary resistance in ohms
R2=0.016; //secondary resistance in ohms
Xe=23; //total reactance reffered to the primary
phi=acosd(0.8); //lagging
Re=(R1+((V1/V2)^2*R2))
printf("equivalent resistance,Re=%fohms",Re)
I2dash=(kVA*1000)/V1;
V2dash=5847;
Reg=((I2dash*((Re*cosd(phi))+(Xe*sind(phi))))*100)/V2dash;
printf("\npercentage regulation=%fpercent",Reg)
|
