Ͳ Dz
ϳ: ..
..
24 2013
.. .
., ..
, 220/110/35.
. . - . .
.
.
̲
1.
2.
3.
4. -
5. ʳ
6.
. , , , , .
:
, . 㳿 , , , 㳿 , , .
㳿 , , . .
:
- ;
- 㳿;
- ;
- .
, , , .
|
|
.
220 30 100 . . , , . I .
. .
ֲ ί Ҳ ײ
㳿 , . .
. 㳿. 㳿, 㳿 .
(1.1)
: - ,
- ,
- .
10.22 [2] Q1K
ʳ
(1.2)
n.
(1.3)
(1.4)
(1.5)
. (1.6)
ϳ 1
(1.1)
() 6(10) 13503 [2, 10.22]
(1.2): (1.3)
(1.4)
,
ϳ 2
Q= 8(0,484-0,363)=3,87-2,9=0,97,
() 6(10) 300()3 [2, 10,22]
Q =4
Q= 20(0,75-0,363)=15-7,26 =7,74,
() 6(10) 13503 [2, 10,22]
Q =6
:
2 Ҳ в
, 糿 , . (0,65-0,7)S, - 1,4S - 6 5 .
(2.1)
ϳ 1
: -160000/220 [2, 3.8]
S=160·, U=230, U=11, =156, =500,
|
|
U=12,5%, =0, 6%, ֳ 269 ..
-
2.1-
7
:
ϳ 2
-25000/220 [2, 3.8]
S=25·, U=230, U=38,5, U=6,6, =45, =130, U-=15%, U-=20%, U-=6,5%, =0,9%, ֳ114,6..
-
:
(2.2)
: (2.3)
2.1-
: (2.4)
: (2.5)
:
2.1
2.1-
S · | U | U % | % | ֳ . | ||||||||
- | - | - | ||||||||||
-160000/220 | 12,5 | 0,6 | ||||||||||
-25000/220 | 38,5 | 6,6 | 6,5 | 0,9 | 114,6 |
2.2
1 | 2 | ||||||||||||
D | DQx | R | X, | D2 | DQx2 | R2 | X2, | ||||||
-160000/220 | 0,156 | 0,96 | 0,48 0,96 | 75,6 | 75,6 | 0,31 | 1,92 | 0,24 0,48 | 37,8 | 37,8 | |||
-25000/220 | 0,045 | 0,225 | 5,04 | 275,9 | 14,5 | 111,32 | 0,09 | 0,45 | 2,52 | 137,95 | 7,25 | 55,66 |
2.2
.
2.3-
-1 | -2 | |||
P, | Q, | P, | Q, | |
32,85 | 2,67 | |||
0,09 | 7,17 | 0,004 | 0,08 | |
. | 90,09 | 40,02 | 8,004 | 2,75 |
32,85 | 6,95 | |||
. | 0,09 | 7,17 | 0,02 | 0,08 |
. | 90,09 | 40,02 | 20,02 | 6,98 |
180,18 | 80,04 | 28,024 | 9,73 | |
. | 0,19 | 0,046 | 2,51 | |
. . | 180,37 | 80,04 | 28,07 | 12,24 |
0,31 | 1,92 | 0,09 | 0,45 | |
180,68 | 81,96 | 28,16 | 12,69 |
2.3
̳ | ||||
P, | Q, | P, | Q, | |
1,94 | ||||
0,035 | 2,7 | 0,001 | 0,02 | |
50,035 | 33,7 | 4,001 | 1,96 | |
7,5 | ||||
0,035 | 2,7 | 0,009 | 0,02 | |
50,035 | 33,7 | 10,009 | 7,52 | |
100,07 | 67,4 | 14,01 | 9,48 | |
0,07 | 0,01 | 0,82 | ||
100,14 | 67,4 | 14,02 | 10,3 | |
0,31 | 1,92 | 0,09 | 0,45 | |
100,45 | 69,32 | 14,11 | 10,75 |
|
|
3 вҲ ί Ʋ Ͳ
3.1 , . , .
1- ;
2 ;
3 ;
3.1
3.1 ʳ
, | , | ʳ 150 | |
1 | |||
2 | 2(120+140)=520 | ||
3 | 2(120+150)=540 |
220 1 2 ; . 220 1 2 - . , .
1 2 .
3.1- .
3.2- .
3.3- .
3.2 1 .
7.35[2]. 10.1[2] je=1,0A/2 =6200.
(3.1)
(3.2)
≥ (3.3)
3.4- 1()
+ = +
137,41+j62,3+71,43+j32,35=208,84+j94,65=180,68+j81,96+28,16+j12,66·
ʳ 21 3.4.
:
400/51,=1090, ..=603,4, 2, S1.=s1 + s2=208,84+j94,65·.
AC240/32, I.=605 1 21.=522,1<605=
240/32, I.=605.
.
3.5 220
(3.4)
(3.5)
(3.6)
(3.7)
(3.8)
(3.9)
3.2
3.3 .
3.6 2()
240/ 32 I=605
240/32 =605
≥ (3.3)
1.=522,2<605=
2.=81,28<605=
.
3.2
3.2-
˳ | l, | |||||||||
r0, / | 0, / | b010-6 | I, | R/R(2) | X/X(2) | Q/Q(2) | ||||
1 | 400 | 0,075 | 0,414 | 2,7 | 9,0 | 49,68 | 15,8 | |||
240 | 0,12 | 0,435 | 2,6 | 18,0 | 65,25 | 18,88 | ||||
2 | 240 | 0,12 | 0,435 | 2,6 | 16,8 | 60,9 | 17,62 | |||
A1 | 240 | 2x120 | 0,12 | 0,435 | 2,6 | 14,4/7,2 | 52,2/26,1 | 15,1/30,2 | ||
2 | 240 | 2x140 | 0,12 | 0,435 | 2,6 | 16,8/8,4 | 60,9/30,45 | 17,6/35,2 |
|
|
4 Ͳ-̲ в вҲ ί ί Ʋ
, (, , , ) . .
(4.1)
=0,1 .
(4.2)
4.1
(4.3)
[2, 10.15]
(4.4)
㳿 (4.5)
(4.6)
1 ;
1 400 0 =19,4. ./; 1=19,412010 =23280..
2 240 0 =16,4 . ./; 2 =16,414010 =22960 ..
21 240 0 =16,4 . ./; 21 =16,415010 =24600 ..
= 1+2+21 =70840 ..;
㳿
DW=34205,7103 .
㳿
DW=6832,3 103 .; DW.1=34205,7 + 6832,3 = 41038 103
㳿 .=3010-541038 103 =12311,4..
1 =(460+2269+353)10 =13510..
2 =(520+2114,6+353)10 =11022..
=13510+11022 = 24532..
=70840+24532 =95372..
1 = 0,195372 +0,02870840 +0,08424532+12311,4 =25892,8..
2
1 240 0 =27,8. ./; 2=27,812010 =33360..
A2 240 0 =27,8 . ./; 21 =27,814010 =38920 ..
=72280..
DW=29177,6103 .
DW=6832,3 103 .; DW.2=29177,6103 +6832,3 103 ==36009,9103
.=3010-536009,9103 =10803..
1 =(360+2269+180)10 =10780..
2 =(520+2114,6+180)10 =9292..
=10780+9292= 20072..
=72280+20072=92352..
2 = 0,192352+0,02872280 +0,08420072+10803=23748,0..
[2, 10.2]
- 1 ;
.
(4.7)
=10./..
4.1
. | . | . | DW103 . | . DW103 | (a+a) .. | (a+a) .. | BBTP, . | . | |
34205,7 | 6832,3 | 1983,5 | 2060,7 | 12311,4 | 25892,8 | ||||
29177,6 | 6823,3 | 2023,8 | 1686,0 | 10803,0 | 23748,0 |
[2, 10.37] ; [2, 10.2]
[2, 10.27]
.
5 ʲ
в ί Ʋ
. .
5.1
5.1
5.1-
˳ | . , | Q2, | . , | . , | . , | Q1, | . , |
A1 | 180,68+j81,96 | -j15,1 | 180,68+j66,86 | 5,52+j20,01 | 186,2+j86,87 | -j15,1 | 186,2+j71,77 |
A2 | 28,16+j12,69 | -j17,62 | 28,16-j4,93 | 0,14+j0,53 | 28,3-j4,4 | -j17,62 | 28,3-j21,02 |
|
|
䳿
5.2
. 2.2
5. 2-
5.2-
˳ | . , | Q2, | . , | . , | . , | Q1, | . , |
1 | 100,45+j69,32 | -j15,1 | 100,45+j54,22 | 1,94 +j7,03 | 102,39+j61,25 | -j15,1 | 102,45-j46,15 |
A2 | 14,11+j10,75 | -j17,62 | 14,11-j6,87 | 0,04+j0,15 | 14,15-j6,72 | -j17,62 | 14,15-j24,34 |
5.3 ϳ .
.
5.3-
5.3-
˳ | . , | Q2, | . , | . , | . , | Q1, | . , |
1 | 180,68+j81,96 | -j7,55 | 180,68+j74,21 | 11,35+j41,15 | 192,03+j115,36 | -j7,55 | 192,03+j107,81 |
2 | 28,16+j12,69 | -j8,81 | 28,16+j3,88 | 0,28+j1,02 | 28,44+j4,9 | -j8,81 | 28,44-j3,91 |
6 ϲֲ Ѳ
U2 = (6.1)
- , (6. 2)
;
- , (6.3)
U2,
;
P.,Q. ; R,X - .
6.1
UA = 1,1U = 1,1220=242,
1DUA1 =
1U1 = 242 - 14,9 =227,1
ϳ 1
DUB = U0 = 227,1 - 0,2=226,9
DU = ; U = 226,9 - 6,85 =220,05
˳ 2
DU 2 = U2 = 242 0,4 =241,6
DU = U0 = 241,6 - 7,28=234,32
DU = U = 234,32- 0,41 =233,89
DU = U = 234,32- 0,74 =233,58
6.2 , UA = 1,0U = 1,0220= 220
1
DUA1 = ; 1
U1 = 220- 10,62=2 09,38;
DU = ;
U0 = 209,38 -0,11=209,27;
DU = ; U = 209,27- 6,2 =203,07
˳ 2
DU 2 = ; U2 = 220 (-0,4) =220,4
DU = U0 = 220,4 - 6,61 = 213,79
DU = ; U = 213,79- 0,37 =213,42
DU = ; U = 213,79 - 0,56 = 213,23
6.3 ϳ , UA = 1,05U = 1,05220=23 1
˳ A1
U1 = 231 26,07 =204,93,
ϳ 1
DU = ; U0 = 204,93 - 0,22 = 204,71
DU = ; U = 204,71 - 7,59 = 196,12
˳ 2
2 DU 2 =
2 U2 = 231- 3,36 =227,64
DU =
U0 = 227,64 - 7,73 = 219,91; DU =
U = 219,91 - 0,46 =219,45; DU =
,
U =219,91 - 0,79 =219,12
6.4
230 12´ 1,0% [2, 3.2]