, ( - ). , , 2-3 ; , (, , , ) 8-12 .
, . ( ) 4.
, , , .
(. 4) .3.
5
( . 4)
Vn= 040 3. V= Vn= 1.15646=743 3 | |||||
V1= 743 3 | , 1% 9030 2 33110 V5=654 3 | ||||
1200 2,5%. 80 V2= 725 3 | - 2 68 V6= 654 3 | ||||
1% =30 . V3= 660 3 | . 33 | ||||
d =33 90 | . 90 |
Vn: V6n = 646: 654 = 0,99 ()
(. 4), Vn= 646 3. . 2 =1,1, V = Vn = 1,1 646 = 743 3. d = 50 . d ≤ 50 d
250 ÷ 900 .
, 7062-77
, , (0,65 ÷ 0,8) d.
: ; : , . 30 ÷ 40 , . () .
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L0: 0 ≤ 2,5.
(. ) () , Vn: V6n = 646: 654 = 0,99, c .