α1 α2, , 1 1 , .
. : BD = 427,14 , 1 = 175 ,
α1 = 430 30/, α2 = 700 00/.
.
R1 = 222,60 1 = 338,00 L1 = 169,00 . 1 = 196,96 1 = 2 * .
2 = 427,14 1 = 427,14 175,00 = 252,14 .
I- [2] α2 = 700 00/
= 134,653.
= | 252,14 | = 1,872. | |
134,653 |
, :
R2 = 100 * 1,872 = 187,2 .
L 2 = 122,173 * 1,872 = 228,71 .
2 = 110,532 * 1,872 = 206,92 ..
:
1 - 1 = 1.
1 + 1 = 1.
1 + 2 = 2.
1 ( 2) + 2 = 2.
. α1 = 550 00/ α2 = 700 00/, 1 = 2 =100 , BD = 300 , .
/ 1 = / 2 = 300 1 = 300 100 = 200 .
I- [2] α1 = 550 00/
= 101,569 .
= | 100,00 | = 0,984 | |
101,569 |
, , :
R1 = 100 * 0,984 = 98,4 .
L 1 = 95,993 * 0,984 = 94,46 .
1 = 97,976 * 0,984 = 96,41 .
I- [2] α2 = 700 00/ = 134,653 .
= | 200,00 | = 1,485 | |
134,653 |
, , :
R2 = 100 * 1,485 = 148,50 .
L 2 = 122,173 * 1,485 = 181,43 .
2 = 110,532 * 1,485 = 164,14 ..
1, :
1 - 1= 1.
1 + 1 = 1.
1 + 2 = 2.
1 ( 2) + 2 = 2.
.
β (1), (2), .. 2 1, β2 β1, α = β1 + β2
β1 = β2 .
, β1 β2 = 1 + 2 1- (1) :
- / 1 / 2
-
Rmin = | 100* |
/ 1 + / 2 |
- 1- (1) Rmin / 100
|
|
- Rmin / 100
- = 1 + 1 + 2 + 2 - L 1 - L 2
- = L 1 + L 2
-
Z1 = | Sin β2 | * ( 1 + 2) |
Sin α |
1 = | 1 + | Sin β2 | * ( 1 + 2) |
Sin α |
2 = | 2 + | Sin β1 | * ( 1 + 2) |
Sin α |
β1
β1 + Z1 | β1 - 1 + |
. : β1 = 150 00/, β2 = 220 30/, = 80,0
. 1- (2) β1 = 150 00/ / 1 = 17,568, / 1 = 35,033
L/ 1 = 52,360, / 1 = 72,360 ..
. 1- (2) β2 = 220 30/ / 2 = 26,571, / 2 = 52,789
L/ 2 = 78,540, / 2 = 87,623 ..
Rmin = | 100* | = | 100 * 80 | = 181,25 |
/ 1 + / 2 | 17,568+26,571 |
1 = / 1 * | R | = 17,568 * 1,812 = 31,83 |
1 = / 1 * | R | = 35,033 * 1,812 = 63,48 |
L 1 = L/ 1 * | R | = 52,360 * 1,812 = 94,88 |
..
:
2 = / 2 * | R | = 26,571 * 1,812 = 48,15 |
2 = / 2 * | R | = 52,789 * 1,812 = 95,65 |
L 2 = L/ 2 * | R | = 78,540 * 1,812 = 142,31 |
..
= 1 + 1 + 2 + 2 - L 1 - L 2 =
= 63,48 + 31,83 + 48,15 + 95,65 - 94,88 - 142,31 = 1,92
= L 1 + L 2 = 94,88 + 142,31 = 237,19
4.9.
.8
. α1 = 390 10/, α2 = 620 00/ 1 = 200, 2 = 290, 2/ = 200 . 410 . 1/ = 410 290 = 120
.
- 2 / 1 = 290 / 200 = 1,45
- ( 4) α1 = 390 10/ β1 = 80 30/
- β2 = α1 β1 = 390 10/ - 80 30/ = 300 40/
- 1- β1 = 80 30/ : 1 = 0,19803, 1 = 0,09911
β2 = 300 40/, 2 = 0,72466, 2 = 0,36685
- sin β1 = 0,1478, sin β2 = 0,5100, sin α1 = 0,6316
- Rmin (11.12):
R = | 1 | = |
t 1 + sin β2 / sin α1* (1 + 2) | ||
= | = 348,3 = 348,0 | |
0,19803 + 0,510 / 0,6316 * (0,0991+0,36685) |
- β1, (11.13):
R = | 2 | = |
t 2 + sin β1 / sin α1 * (1 + 2) | ||
= | = 347,85 = 348,0 | |
0,72466 + 0,1478 / 0,6316 * (0,0991+0,36685) |
, , , , , β1 .
R = 348 β1 = 80 30/ 1- :
L1 = 29,671*3,48 = 103,26
1 = 54,471*3,48 = 189,56 ..
R = 348 β2 = 300 40/ 1- :
|
|
L2 = 107,047*3,48 = 372,52
2 = 103,463*3,48 = 360,05 ..
β1 = 80 30/ ( 4) β1 = 80 00/ 351,8, - 345,4, β1
β2 R2 / 100
1/ 2/ 2/ / 1/
4.10.
.9
: α1 = 770 00/, 1 = 90, 2 = 150 BD = 400, α2 = 600 00/ 1/ = 400 150 = 250 2/ = 180 .
.
, ,
2 / 1 = 150 / 90 = 1,67 . 11.4 β1
β2 = α1 β1 1- (11.12)
R1 , L1, 1, L2, 2
1/ / 2/ = 250 / 180 = 1,39 α2 = 600 00/
(.11.4) β1/
β2/ = α2 β1/
1- β1/ β2/ R2
, , .
4.11. II V
2000 II - IV . , ( ), . , L
II V , ρ = 2000. , R = 600 6%.
, 600 .
. 10
, L
R 600
L = | 2 | - | 2 |
R 600
L = | L | - | 2 |
L = | L | - | 2 |
R :
l0 = | 2 |
. , :
R = 348 , 1 = 189,56, L1 = 103,26
, L
L = | 2 | - | 2 | = | 189,562 | - | 189,562 | = | 41,92 |
:
l0 = | 2 | = | 189,562 | = | 17,97 |
L = | L | - | 2 | = | 103,26 - | 189,562 | = | 43,37 |
( ) , . .
|
|
0,3% i, II 0,5%, III - IV 1%.
i :
i = | b | * (i1 + i) |
L |
b
i1
i
L
i .
- i 0,3%. , ,
i = 0,3%.
:
= | b * | i1 |
0,003 |
, l = L - C . l :
il = | (i i1) * | Δl | + | i1 |
l |
Δl
- i 0,3%, i.
, , :
= | 2 * L * i1 |
i1 + i |
:
il = | (i + i1) * | Δl | - | i1 |
L |
Δl
- i i.
. :
l = | b | * (i1 + i) |
i |