blob: 3c1bf8e8a8d3adb44cca27fb83b3ac1cb1acb203 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
// Size of conductor to be used for wiring a 10 kW 400V 3 Phase induction motor
clc;
clear;
P=10*(10^3); // Power Rating
V=400; // Voltage Rating
f=50;// Frequency of operation
// Assumptions Made
eff=85/100; // Efficiency
pf=0.8// Power Factor
I=P/(sqrt(3)*V*eff*pf); // Current flowing in the conductor
Is=2*I; //At the time of starting the induction motor may take 2 times the rated current
printf('The Rated Current = %g A\n\n',I)
printf(' At the time of starting the induction motor may take\n 2 times the rated current and hence starting current = %g A \n\n',Is)
printf(' From the table corresponding to 42.4 A that is 43 A\n the wire used is 7 /1. 7 mm or 16 mm^2.\n')
|
