1. .
2. : ( ) - , - . . ( f = 50) , , . , .
3. t, 0,20; 0,30; 0,50; 0,70;1,00; 1,50; 2,00; 3,00; 5,00, 7,00; 10,0; 15,0; 20,0 , . . , .
4. - , () t. .
13.1 - .
r=....... Ө=.......
AB=........
c=∆U/ q=........
K=.........
t | √2πtc | , | , | ∆U | I,A | , | ||||||||
, | ||||||||||||||
1. ( ).
2. .
∆U=* () (13.1)
3. , .
:
=*(∆U/I) (13.2)
∆ U- (), ; , .
4. . 6,25. , √2πt, , - . . .
5. 3 : H= S*i (13.3)
- , ;
S - , ;
i- , -.
6 ().
|
|
13.2 - .
t, | √2πt, | ||||||||||
, | |||||||||||
0.2 | 1.12 | 17.1 | 17.0 | 17.2 | 17.3 | 16.9 | 17.3 | 17.1 | 17.0 | 16.9 | 17.2 |
0.3 | 1.37 | 13.6 | 13.4 | 13.8 | 13.7 | 13.5 | 13.5 | 13.5 | 13.6 | 13.7 | 13.7 |
0.5 | 1.77 | 12.9 | 12.7 | 12.7 | 12.8 | 12.8 | 12.9 | 12.9 | 12.7 | 13.0 | 12.6 |
0.7 | 2.10 | 14.0 | 14.0 | 14.1 | 13.9 | 13.9 | 14.1 | 14.1 | 14.0 | 14.0 | 13.9 |
1.0 | 2.51 | 17.0 | 17.0 | 17.1 | 16.9 | 16.8 | 17.2 | 17.1 | 17.1 | 16.9 | 16.9 |
1.5 | 3.08 | 22.1 | 22.1 | 22.1 | 22.1 | 22.4 | 21.8 | 21.6 | 22.6 | 22.1 | 22.1 |
2.0 | 3.55 | 27.4 | 27.4 | 27.4 | 27.4 | 26.9 | 27.9 | 27.8 | 27.0 | 27.0 | 27.8 |
3.0 | 4.34 | 30.0 | 30.0 | 30.2 | 30.1 | 30.2 | 30.1 | 30.1 | 30.2 | 30.1 | 30.0 |
5.0 | 5.60 | 29.6 | 29.6 | 29.0 | 30.2 | 30.3 | 28.9 | 29.6 | 29.6 | 29.6 | 29.6 |
7.0 | 6.56 | 18.1 | 18.1 | 18.2 | 18.1 | 18.1 | 18.1 | 18.1 | 18.0 | 18.2 | 18.1 |
10.0 | 7.92 | 10.3 | 10.2 | 10.4 | 10.5 | 10.1 | 10.3 | 10.3 | 10.3 | 10.5 | 10.1 |
15.0 | 9.71 | 4.7 | 4.8 | 4.6 | 4.5 | 4.9 | 4.7 | 4.7 | 4.6 | 4.8 | 4.7 |
20.0 | 11.20 | 2.7 | 2.7 | 2.6 | 2.2 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 |
:
1. ?
2. ?
3. ?
.
1.