blob: 66d7fd0984f63ed8da345ccaa3363d649d140baa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
// Example 1.8
clear; clc; close;
format('v',6);
// Given data
P=24;//No. of poles
f=50;//in Hz
R2=0.016;//in ohm
X2=0.265;//in ohm
N=247;//in rpm
//Calculations
Ns=120*f/P;//in rpm
Sf=(Ns-N)/Ns;//full load slip
Sm=R2/X2;//max slip
Tfl_BY_Tm=2*Sm*Sf/(Sm^2+Sf^2);//unitless
disp(Tfl_BY_Tm,"Ratio of full load torque to max torque : ");
Tst_BY_Tm=2*Sm/(1+Sm^2);//unitless
disp(Tst_BY_Tm,"Ratio of starting torque to max torque : ");
|
