U-- =3.5 . , , . U , :
0,7< U < U--= 3.5 . (46)
U =3 .
, . . 
, 
.
, 
:
(47)
[4] 10-22. 7.
7.
10-22
| , | ||
| [] | 0.01 | |
| n c | 0.76 | |
| r 1c [] | 88x2 | 
|
| r 2c [] | 60x2 |
|
R:
(48)
.
.
6 .
. (8) (9) :
U-x =19.47 ,
I-x =1.18 ,
, . . :
(49)
:
(50)
:
(51)
:
(52)
[6] 202. 9.
9.
202
| , | ||
| I.- [A] | ||
| U.- [] | ||
| U- [] | 0,9 |
:
(53)
.. =5% , , , :
(54)
1=100 .
(.8). 15 .
|
|
|
U = 15 [10] 14215. 6÷11 , .
8 .
10 :
10.
14215
| , | ||
 []
| 30 | |
 []
| 10 | |
 []
| (14,5.. 15,5) | 
|
 []
| ||
 []
| ||
 []
| ||
 [ ]
|
, :
6 7 , , 70 . 6 7 .
6=7 .
U=0.5 , U =0.6 . , :
(55)
70 , 30 . :
(56)
(57)
:
(58)
(59)
U--x U--x=30, 14215 .
6=7 .
:
(60)
, :
(61)
:
(62)
(59):
7%, .
:
, (63)
I-= 5 ,
I- =3.5 - .
.
:
(64)
(63):
(65)
=22 .
