blob: 693a5f32fcecc2788cc6337ab741ef297da88e5e (
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
|
//=====================================================================================
//Chapter 13 example 17
clc;
clear all;
//variable declaration
w = 0.03; //width of plates in m
n = 51; //number of plates
t = 0.000489; //thickness in m^3
f = 50; //frequency in Hz
Bmax = 1;
N = 600;
P1 = 3; //copper loss in watts
m = 11; //weight in kg
//calculations
A = w*n*t; //mean area of plates in m^3
E = 4.44*f*Bmax*A*N; //induced voltage in V
//from graph corresponding to voltage of 100 volts
P2 = 30.5; //total losses in watts
P = P2-P1; //iron loss in watts
PL = P/m; //loss per kg in watts
//result
mprintf("iron loss per kg = %3.2f watts",PL);
|
