blob: f1cc43f3414554a562ac321afe7d3abe61ddbb97 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
// Speed of shunt motor taking 50kW input
clc;
clear;
Pog=50*(10^3);// Power ouput of the generator
Ng=400; // Speed of the generator
Vg=250;
Ra=0.02;
Rf=50;
Pim=50*(10^3); // Power Input of motor
Vm=250;
Vb=2;// Contact drop
// Generator
Ish=Vg/Rf; // Field Current
Ilg=Pog/Vg; // Load Current
Iag=Ish+Ilg; // Armature Current
Eg=Vg+(Iag*Ra)+Vb;
// Motor
Ilm=Pim/Vm; // Input Current
Ish=Vm/Rf; // Field Current
Iam=Ilm-Ish; // Armature Current
Eb=Vm-(Iam*Ra)-Vb; // Back EMF
Nm=Eb*Ng/Eg;
printf('The speed of shunt generator as a motor = %g rpm',ceil(Nm))
|
