, ().
, 1, , 5, .
7
. .
S =1000 ; Ucp=110 k; Uc2=35; U3=10;
1 :
, (6)
S , ;
X - ;
 |
2 :
, (7)
, /;
L , ;
Ucp , , ;
3 :
(8)
(6)
 |
(7) 4:
 |
(7) 5:
 |
X6, X7,8,9,10,11 :
 |
S , ;
U , , ;
S - ,;
9
(1) :
1=1,05+0,56+0,626=2,235
I1, :
, :
, :
,
(2) :
=1,05+0,8+0,8=2,65
I1, , ():
, ():
, ():
3
| U, | I, | I, | i, | ||
| 1 | 2,2 | 5,15 | 2,3 | 5,8 | |
| 2 | 2,65 | 54.9 | 20,7 |
|
|
|
. () .
, ( ) .
, , , , , , .
, .
. .
, ():
 |
S - , ;
U - , .
 |
:
=I2 ( + t),2 ,
I2 - , ;
;
t ;
= 2,32 (0,115 + 0,07) = 0,97
4 -
| , | U =110 | U =110 | U  U
|
| , | I =462 | I =1000 | I I
|
| , 2. | =0,97 | I2 =1200 | <I2 |
| , | i =5,8 | i =20 | i > i |
| , | I =2,3 | I =20 | I < I |
100- 20.
, ():
, 2, :
= 20,72 (0,115 + 0,15) = 113,5
4. -
| , | U =10 | U =10 | U U
|
| , | I=5092 | I =6000 | I I
|
| , 2. | =113,5 | I2 =8100 | <I2 |
| , | i =20,7 | I =45 | i > i |
| , | I =20,7 | I =45 | I < I |
1045.
, .
. , .
|
|
|
, ():
, 2
= 2,32 (0,115 + 0,07) = 0,97
5 -
| , | U= 110 | U= 1110 | U > U |
| , | I =1000 | I =462 | I> I |
| , 2. | =0,97 | I2 =2976,75 | < I2 |
| , | i= 5,8 | I= 80 | i > i |
| , | I= 2,3 | I =20 | I < I |
110/400.
, 35 220 .
, .
-110.
, .
6.
| , . ., . ., 2. | U= 110 i= 5,8 = 0,97 | U= 110 i= 42 I2t= 462 | U ≤ U i ≤ i ≤ I2t |
, 2∙, (18)
= 2,32 (0,115 + 0,07) = 0,97
.
, .
():
, -110/1000
, ,
7.
| , , . ., . ., 2. | U= 110 I=462 i= 5,8 = 0,98 | U= 110 I= 1000 i= 80 I2t=2976 | U ≤ U I ≤ I i ≤ i ≤ I2t |
, 2∙, ():
= 2,32 (0,115 + 0,07) = 0,97
.
