, , , .
6.1. 1
:
| , | U. | U. ≥ U. |
| , | I. | I. ≥ Ip.max |
| , | I. | I. ≥ Ip. |
| , - | S. | S. ≥ S0.2 |
| , | i | i ≥ I(3). |
| , | Ic | It  ≥ I∞ 
|
-110
-110-630-201.
U. = 110 ≥ U. = 110 ;
I. = 630 ≥ Ip.max = 56,13 ;
I. = 20 ≥ Ip. = 4,74 ;
i = 20 ≥ I(3). = 13,423 ;
It = 20 ≥I∞ = 6,024  =2.55.
|
-35 -35-630-10.
U. = 35 ≥ U. = 35 ;
I. = 630 ≥  I. = 10 ≥ Ip. = 1.519 ;
i = 10 ≥ I(3). = 3.85 ;
It = 10 ≥ I∞ = 1,519 = 0,64 .
|
6,6 ( ) 1-6-203.
U. = 6 ≥ U. = 6 ;
I. = 630 ≥ 
;
I. = 16 ≥ Ip. = 0,703 ;
i = 51 ≥ I(3). =1.784 .
6,3 ( ) 1-6-203.
U. = 6 ≥ U. = 6 ;
I. = 630 ≥ 
;
I. = 16 ≥ Ip. = 3,98 ;
i = 51 ≥ I(3). = 10,1 .
6.2.
:
| , | U. | U. ≥ U. |
| , | I. | I. ≥ Ip.max |
| , | i | i ≥ I(3). |
| , | Ic | It ≥ I∞
|
-110 (3)-110/1000.
| U. = 110 ≥ U. = 110 ;
I. = 1000 ≥ Ip.max = 56.13 ;
i = 80 ≥ I(3). = 13.423 ;
It = 31,5 ≥I∞ = 6,024 = 2,55 .
|
-35 (3)-35/1000.
U. = 35 ≥ U. = 35 ;
I. = 630 ≥  ;
i = 63 ≥ I(3). = 3.85 ;
It = 25 ≥I∞ = 1,519 = 0,644 .
|
6.3.
, . , .
|
|
|
.
:
l - , ; - , .
-6-375.
| U. = 6 ≥ U. = 6 ; F(3) = 375 ≥ 0,6∙F(3) = 26.12 . |
-6/400-375.
| U. = 6 ≥ U. = 6 ; F(3) = 375 ≥ F(3) = 43.53 ; I. = 400 ≥ Ip.max = 379.145 . |
, , , .
100x8 .
:
≥ Ip.max = 356,06 ,
- , 0,95; 
- , 1 ; 
- , +25 ( t = +20, =1,05); 
- 
= +70 , 
= +25 .
:
,
- ; 
- .
:
) :
) ( ):
;
) ( ):
,
b h - , .
) :
.
: 32.7 < 65 ( ).
:
α ( α = 11).
:
Smin < S → 15.84 
< 800 .
.
:
-6-375.
| U. = 6 ≥ U. = 6 ; F(3) = 375 ≥ 0,6∙F(3) = 1.12 . |
-10/630-750.
| U. = 10 ≥ U. = 6 ; F(3) = 750 ≥ F(3) = 1.12 ; I. = 630 ≥ Ip.max = 360.91 . |
, , , .
40x4 .
:
≥ Ip.max = 453,18 .
.
:
) :
) ( ):
;
) ( ):
,
b h - , .
) :
.
|
|
|
: 18.7 < 65 ( ).
:
α ( α = 11).
:
Smin < S → 3.28 < 160 .
6.4.
:
1) U. ≥ U.;
2) I1. ≥ Ip.max;
I1. = (5-10)Ip.max;
3) ;
4) : ;
5)
S2 ≥ S2,
S2 - () ; S2 - .
- ( ); 
- ,
,
- ; 
- ; 
- , = 0,1 .
. l = 10 ; s = 2,5 2, ρ = 0,028 ∙2/.
, , , , , . : 0,02 ; 0,08 ; 0,08 ; 0,32 ; - 0,48 .
:
.
110 .
-110-100/5.
U. = 110 ≥ U. = 110 ;
I1. = 100 ≥ Ip.max = 56.13 ;
S2 = 30 ≥ S2 = 52∙1,224 =30,6 ;
= 150 ≥ I(3)/  I1. = 13423/1,41∙100 = 95.2;
= 75 ≥(I∞ )/(I1.  ) = 6024 /100  = 14.75.
|
35 .
35-I.
| U. = 35 ≥ U. = 35 ;
I1. = 300 ≥ Ip.max = 62.024 ;
S2 = 30 ≥ S2 = 52∙1,224 = 30,6 ;
= 150 ≥ I(3)/ I1. =3850/(1,41∙300) = 7.41;
= 75 ≥(I∞ )/(I1. ) = 1519 /(300 ) = 1,24.
|
6 ( ).
-10.
| U. = 10 ≥ U. = 6,6 ;
I1. = 600 ≥ Ip.max = 360.91 ;
S2 = 10 ≥ S2 = 52∙0,38 = 9,5 ;
= 81 ≥ I(3)/ I1. = 1784/(1,41∙600) = 1.72;
= 32 ≥(I∞ )/(I1. ) = 703 /(600 ) = 0,29.
|
6 ( ).
-10.
| U. = 10 ≥ U. = 6,6 ;
I1. = 600 ≥ Ip.max = 379,145;
S2 = 10 ≥ S2 = 52∙0,38 = 9,5 ;
= 81 ≥ I(3)/ I1. = 8614/(1,41∙600) = 10.18;
= 32 ≥(I∞ )/(I1. ) = 3394 /(600 ) = 1,39.
|
:
1)
I1 = kα Ip.max,
Ip.max - , , ; kα - , .
|
|
|
I1max = 1,1 Icp. (k /k),
Icp. - ; k - ; 1,1 - , 10% - ; k - .
kα : ( ) kα = 1.
:
I.1 = k I,
k = 1,3-2,0 ; I .
I.2 = k I,
I :
I = I1 + I2,
I1 , :
I1 = kkδI.max,
k - , ; k - , k = 1, , k = 0,5; δ = 0,1 ; I2 - , :
I2 = 0,1I.max.
2)
m = I1 /(0,8I1.);
3) 10%- ;
4) .
110 .
I.1 = k I = 1,7∙56.13 = 95.42 ;
I1 = kkδI.max = 1∙1∙0,1∙6024 = 602.4 ;
I2 = 0,1I.max = 0,1∙6530 = 602.4 ;
I = I1 + I2 = 602.4 + 602.4 = 1204.8 ;
I.2 = k I = 1,7∙1204.8 = 2048.16 ;
I1max = 1,1 Icp. (k /k) = 1,1∙2048.16/1,76 = 1280.1 ;
I1 = kα I1max = 1∙1280.1= 1280.1 ;
m = I1 /(0,8I1.) = 1280.1/ (0,8∙100) =16;
= 1 ≥ 
-110 .
35 .
I.1 = k I = 1,7∙62.024= 105.424 ;
I1 = kkδI.max = 1∙1∙0,1∙1519= 151.9;
I2 = 0,1I.max = 0,1∙1519= 151.9;
I = I1 + I2 = 151.9 + 151.9 = 303.8 ;
I.2 = k I = 1,7∙303.8 = 516.46 ;
I1max = 1,1 Icp. (k /k) = 1,1∙516.46/1,76 = 322.79 ;
I1 = kα I1max = 1∙357 = 322.79 ;
m = I1 /(0,8I1.) = 322.79 / 0,8∙300 = 1.345;
= 8 ≥ 
35-I .
6 ( ).
I.1 = k I = 1,7∙360.91 = 613.547 ;
I1 = kkδI.max = 1∙1∙0,1∙703= 70.3;
I2 = 0,1I.max = 0,1∙703 =70.3 ;
I = I1 + I2 = 70.3 + 70.3= 140.6 ;
I.2 = k I = 1,7∙140.6 = 239.02 ;
I1max = 1,1 Icp. (k /k) = 1,1∙239.02 /1,76= 149.39 ;
I1 = kα I1max = 1∙149.39 = 149.39 ;
m = I1 /(0.8I1.) =149.39 / 0,8∙600 = 0.311;
= 10 ≥ 
-10 .
6 ( ).
I.1 = k I = 1,7∙379,145= 644.547 ;
I1 = kkδI.max = 1∙1∙0,1∙3394=339.4 ;
I2 = 0,1I.max = 0,1∙3394 = 339.4 ;
I = I1 + I2 = 339.4 + 339.4 = 678.8 ;
I.2 = k I = 1,7∙678.8= 1153.96 ;
I1max = 1,1 Icp. (k /k) = 1,1∙1153.96/1,76 = 721.225 ;
I1 = kα I1max = 1∙721.225 = 721.225 ;
m = I1 /(0.8I1.) = 721.225/ 0,8∙600 = 1.503;
|
|
|
= 10 ≥ 
-10 .
6.5
:
1) ;
2) : ;
3) ;
4) .
:
S2 ≥ S2,
S2- ; S2 - .
- , . : - 2 , - 2 , - 2 , - 5 , - 2,5 .
S2= 
110 -110-57 :
0,5.
35 -35-65 :
0,5.
6 -6-663 :
0,5.
