, :
U = I×R + W ; (4.1)
= (I), (4.2)
U, I - ;
R - ;
W - ;
- ;
(I) - , , .
. 4.1, .
. 4.1
(4.1)
U = I×R + W××. (4.1)
= . (4.2)
(4.2)
= = ,
= = .
. 4.1 ( 2).
(4.2)
= . (4.2)
(4.2)
I = 1() (. 4.2).
. 4.2
- 0, . 4.2 (. 4.3).
. 4.3
i = , DI D , I0 (. . 4.1). . 4.3 . 4.4.
. 4.4
= = . , i, , , .
4.1.
4.1.
. | ||||||||||||
. | ||||||||||||
, × | 0.146 | 0.2 | 0.11 | 0.12 | 0.16 | 0.18 | 0.22 | 0.2 | 0.18 | 0.16 | 0.14 | 0.12 |
I, | ||||||||||||
R, | 9.5 | 9.1 | 8.15 | 7.33 | 6.28 | 6.66 | 7.09 | 7.58 | 8.46 | 9.56 | 10.5 | |
, | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 5.5 | 5.0 | 4.5 | 4.0 | 3.5 |
|
|
! , , , . 4.1 . Look-Up Table.
. 4.2.
:
1) , DU = +0.1U , U0 = 0.3U, 0.6U 0.9U. , , U0, , ;
2) ( ), , .
3) ;
4) ;
5) .
5