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Milan Duki Milosevic
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Tehnički proračun
IZBOR KABLOVA: PREMA TRAJNO DOZVOLJENOJ STRUJI I PADU NAPONA - SRPS N.B2.752:1988
ZAŠTITA OD STRUJE PREOPTEREĆENJA KOORDINACIJA PROVODNIKA I ZAŠTITNOG UREĐAJA SRPS N.B2.743:1988 A
A L B A A K J I A C J A L N E A R G A L O P
J O R B I N D E R
OD
A G N A E N S M E A R N V Č I O R N T D K E E J L E
DO
N O P A N I N L A N I M O N
P j
U
( kW )
(V (V)
E G A N S R O T K A F
cosφ
G O N T I T A J Š A A Đ Z E A R J U U R T S
A V O ) O N H L L I B E N A L E K A Đ J R O A V O P R ( B
IB
In≥IB
n
( A)
( A)
A N E M A E J R U V R T O N S D E J
A J N A G A A L V O O P L I B R A K O T K A F
) 2 A 5 D 7 . 2 O V B . Z N A R S P P I R T S (
Kθ
Kλ
E A N L J U B
A R A K T K S S I N T T U S S Č O A O V N R I
D S E O R N V
Kn
I L I L K A I B N A D K O I N V A O R R B P A Z I
G O A N I K Z N A F D K O E V S O E R R P P
S P R S ( ) A 2 L 5 B 7 . A 2 K B . A N J U R T S
A N E J L O A V J Z U O R D T S O N J A R T
Ir
S
Itd ≥Ir
Iz≥In
(A)
(mm2)
(A)
( A)
A J A Đ K E R R U O T G K O A N T F I T Š A Z
K
G A J O A N Đ A A E D J R Z N U U A V G O P O O L A N T J E I U D T R Š T A S Z
2 I > z I x 5 4 . 1
I2 =K*In ( A)
(A )
I K G A S O K N I M Z N O A D I F N O Ž R V U O O D P R T P O P O
I N V G I T O A K N I K U Z N D A D N F I O I R V N O O Ž P R U T P D O O P
A L B A K A N I Ž U D
U L B A K U A N O P A N D A P
A N O P A N S T D A D P I O N P U K U
r
x
L
u
u
( W /km)
(W (W /km)
(m (m)
(% (%)
( %)
1
TS "Tigar 7"
RO-1
300
400 0.90 481.13
630
2
J
1
1
1
315.00
PP00 4x185
185
324
64 648.00
1. 1.25
787.5
939.6
0.101
0.082
90
1.63
1.63
2
TS "Tigar 7"
RO-2
300
400 0.90 481.13
630
2
J
1
1
1
315.00
PP00 4x185
185
324
64 648.00
1. 1.25
787.5
939.6
0.101
0.082
90
1.63
1.63
2
RO-1
PU1
14.1
40 400 0.90 22.61
25
1
J
1
1
1
25.00
PP00 5x4
4
31
3 1.00
1.35
33.75
45.0
4.565
0.115
5
0.20
1.83
3
RO-1
PU15
14.1
40 400 0.90 22.61
25
1
J
1
1
1
25.00
PP00 5x4
4
31
3 1.00
1.35
33.75
45.0
4.565
0.115
12
0. 0 .47
2.10
4
RO-1
PU52
4.6
400 0.90
7.38
10
1
J
1
1
1
10.00
PP00 5x2.5
2.5
23
2 3.00
1.35
13.5
33.4
7.274
0.118
10
0 .21 0.
1.84
5
RO-2
PU16
14.1
40 400 0.90 22.61
25
1
J
1
1
1
25.00
PP00 5x4
4
31
3 1.00
1.35
33.75
45.0
4.565
0.115
14
0. 0 .55
2.18
6
RO-2
PU36
14.1
4 40 00 0.90 22.61
25
1
J
1
1
1
25.00
PP00 5x4
4
31
3 1.00
1.35
33.75
45.0
4.565
0.115
5
0.20
1.83
7
PU1
PM1
10
80
1.00 125.00
12 125
1
J
1
1
1
125.00
PP00 1x50
50
141
141.00
1.35
168.75
204.5
0. 0 .387
0.087
8
0.02
1.85
8
PU15
PM15
10
80
1.00 125.00
12 1 25
1
J
1
1
1
125.00
PP00 1x50
50
141
141.00
1.35
168.75
204.5
0.387
0.087
10
0.02
2.12
9
PU16
PM16
10
80
1.00 125.00
12 1 25
1
D
1
1
1
125.00
PP00 1x50
50
148
148.00
1.35
168.75
214.6
0.387
0.087
25
0.06
2.24
10
PU36
PM36
10
80
1.00 125.00
12 1 25
1
D
1
1
1
125.00
PP00 1x50
50
148
148.00
1.35
168.75
214.6
0 ..3 387
0.087
20
0.04
1.87
Tehnički proračun
PRORAČUN ZAŠTITE U TN-C-S SISTEMU
OD
1 2
G G O O A A N N K T I K I Z I T A N Š N F D A D Z O K O E V K V S O E O E R S R R P E P P R P
A L B A A K J I C A J A L N E A R G A L O P
J O R B I N D E R
TS "Tigar 7" TS "Tigar 7"
DO
A V O ) O N L L H I B E N A L E K A Đ J R O A V O P R ( B
n
A L B A K A N I Ž U D
I K G A S O N K I M Z N O A D I F N O Ž R V U O O D P R T P O P O
L
r
I K S f M R + O t I R N D R O O H P T T E O R P
R n-1
R O P T f R O + I t K R S E M J L O I T E N P P U K U
S(Rt+Rf)
I G K O S N A K T I I M T N O I Š D N A O Z Ž V U R O D O R O P P P T O
rpe
I K H I S N A M T K I I O T N I Š N A D D Z O V O H R O T O R E P P R T P O
R O P T O e p I R K S E J M L O T I E N P P U K U
R n-1pe
SRpe
I N V I G T O A K N K I U Z N D A D N F I O I R V N O O Ž P R U T P D O O P
I f X N + V t I T X K E J U L D T N I E I P N R P O U P K T U O
(W)
(W)
E K Š E R G A J U R T S
A R I D O D N O P A N
A R O A N V E K J L E J O V N Z A J O D A R T
A J J A N Đ A E V R O L U E G D O E N T I M E T Š R V A Z
(m)
(W/km)
(W)
(W)
R O- 1
1 85
3 00
2
90
0 . 10 1
0 .0 02 16 0
0 .0 06 70 5
0 .1 01
0 .0 00 00 0
0 . 00 90 90
0 .0 82
0 .0 09 36 0 0 .0 13 05 0
0 .0 82
0 .0 00 00 0
0 . 00 73 80
0 .0 3
76 66 .6 7
8 9. 77
5 .0
0 .0 1
R O- 2
1 85
1 20
2
90
0 . 10 1
0 .0 02 16 0
0 .0 06 70 5
0 .1 01
0 .0 00 00 0
0 . 00 90 90
0 .0 82
0 .0 13 05 0 0 .0 16 74 0
0 .0 82
0 .0 00 00 0
0 . 00 73 80
0 .0 3
76 66 .6 7
8 9. 77
5 .0
0 .0 1
(W/km)
Xn-1pe
(W)
Xn
A
A S N A D N E P M I
( mm2)
(W/km)
xpe
I e N p V X I T E K J U L D T N E I I P N R P O U P K T U O
(mm2)
(W)
Xn
R O I P A N T H K I I D O I N N O T D H N I O V T T I [ E T A V R K Z O P U R P D N I
S
(W)
X n-1
I N G V I O T N A K I T K I U T N D Š D N A I O I Z V N R O Ž O R U P P D T O O P
S
(W/km)
x
I R O I P N T D O f I X O H N t + T V I X E T R K P U D N I
(W)
Z (W)
Ig (A)
Ug (V)
tk (sec)
ti
2
RO -1
PU1
4
120
1
5
4. 565
0. 00670 5
0.0 29530
4 .56 5
0. 009 090
0. 03191 5
0. 115
0. 016 740 0 .01 7315
0. 115
0.0 07380
0 .00 7955
0 .07
3 285 .71
108 .07
5. 0
0. 01
3
RO -1
PU1 5
4
120
1
12
4. 565
0. 00670 5
0.0 61485
4 .56 5
0. 009 090
0. 06387 0
0. 115
0. 013 050 0 .01 4430
0. 115
0.0 07380
0 .00 8760
0 .13
1 769 .23
1 14 .06
5. 0
0. 01
4
RO -1
PU5 2
2. 5
95
1
10
4. 565
0. 00670 5
0.0 52355
4 .56 5
0. 009 090
0. 05474 0
0. 115
0. 013 050 0 .01 4200
0. 115
0.0 07380
0 .00 8530
0 .11
2 090 .91
1 15 .84
5. 0
0. 01
5
RO -2
PU1 6
4
50
1
14
4. 565
0. 00670 5
0.0 70615
4 .56 5
0. 009 090
0. 07300 0
0. 115
0. 013 050 0 .01 4660
0. 115
0.0 07380
0 .00 8990
0 .15
1 533 .33
112 .78
5. 0
0. 01
6
RO -2
PU3 6
4
50
1
5
4. 565
0. 00670 5
0.0 29530
0 .72 2
0. 009 090
0. 01270 0
0. 115
0. 013 050 0 .01 3625
0. 093
0.0 07380
0 .00 7845
0 .05
4 600 .00
68. 67
5. 0
0. 01
7
PU1
PM1
50
50
1
8
0. 387
0. 02953 0
0.0 32626
0 .38 7
0. 031 915
0. 03501 1
0. 087
0. 017 315 0 .01 8011
0. 087
0.0 07955
0 .00 8651
0 .07
3 285 .71
118 .50
5. 0
0. 01
8
PU15
PM15
50
35
1
10
0. 387
0. 06148 5
0.0 65355
0 .38 7
0. 063 870
0. 06774 0
0. 087
0. 014 430 0 .01 5300
0. 087
0.0 08760
0 .00 9630
0 .14
1 642 .86
1 12 .41
5. 0
0. 01
9
PU16
PM16
50
35
1
25
0. 387
0. 07061 5
0.0 80290
0 .38 7
0. 073 000
0. 08267 5
0. 087
0. 014 660 0 .01 6835
0. 087
0.0 08990
0 .01 1165
0 .17
1 352 .94
1 12 .87
5. 0
0. 01
10
PU36
PM36
50
4
1
20
0. 387
0. 02953 0
0.0 37270
0 .38 7
0. 012 700
0. 02044 0
0. 087
0. 013 625 0 .01 5365
0. 087
0.0 07845
0 .00 9585
0 .06
3 833 .33
86. 54
5. 0
0. 01
Tehnički proračun
PRORAČUN STRUJE TROPOLNOG KRATKOG SPOJA I MINIMALNIH PRESEKA
S Mreža 10 kV Trafo
G O A N K Z I A N F D K O E V S O E R P R P
N E Ž O L O P L B A K
J O R B I N D E R
OD
DO
R
S
) H I N A E V \ O O L V B A O K N J L E O L R A B R A P (
n
(mm2)
1 2
TS "Tigar 7" TS "Tigar 7"
X
0.0000704 0.0021600
250 1000 kVA
A L B A K A N I Ž U D
I K G A S O N K I M Z N O A D I F N O Ž R V U O O D P R T P O P O
Rm+Rt
0.000704 0.009360
I N V I G T O A K N K I U Z N D A D N F I O I R V N O O Ž P R U T P D O O P
Xm+Xt 0.010064
0.0022304
A L B A K R O P T O I K S M O
I K S M I O I R N O D P T O H O T E R P
R O P T O I E K J S L T M E O I P N P U K U
R O P T O I A L N B V I A T K K U D N I
I R O I P N T D O I O H N T V I E T R K P U D N I
I N V E I J T L K T U E D P N R I I O N P P T U K O U
A S N A D N E P M I
G O K T A A R J K O A P J S U R T S
A A J J U O R P T S S G A O N K R T A A D R U K
G O N T I A T J Š A A \ Z E A R J U U R T S
A J N A D I K E R P E M E R V
E J U A T R J S T O S P O N E S D N G E E R T O K V Š . U T A F P E R O K R P
K
K E S E R P . M I N I M
L
r
x
Rn
Rn-1
SR
Xn
Xn-1
SX
Z
Ik "
Iud
In
t
I
Smin≤S
(m)
(W/km)
(W/km)
(W)
(W)
(W)
(W)
(W)
(W)
(W)
(kA)
(kA)
(A)
(sec)
(kA)
(mm2)
R O- 1
1 85
2
90
0 .1 01
0 .0 82
0 .0 04 5 0 .0 02 23 0 0 .0 06 73 0
0. 00 37
0 .0 10 06 4
0 .0 13 76 4 0 .0 15 32 1
1 5. 07
2 6. 55 57 1
6 30
0 .0 1
1 5. 07
1 15
6 .5 5
R O- 2
1 85
2
90
0 .1 01
0 .0 82
0 .0 04 5 0 .0 02 23 0 0 .0 06 73 0
0. 00 37
0 .0 10 06 4
0 .0 13 76 4 0 .0 15 32 1
1 5. 07
2 6. 55 57 1
6 30
0 .0 1
1 5. 07
1 15
6 .5 5
2
RO-1
PU1
4
1
5
4.565
0.115
0.0228 0.006730 0.029530
0.0006
0 .013764
0.014364
0.032838
7.03
10.16119
25
0.01
7.03
115
3.17
3
RO-1
PU15
4
1
12
4. 565
0 .1 15
0. 054 8 0. 006 730 0 .0 61530
0. 0014
0 .0137 64
0. 0151 64
0. 0633 71
3.6 4
5. 2507 18
25
0. 01
3.6 4
115
3. 17
4
RO-1
PU52
2 .5
1
10
7. 274
0 .1 18
0. 072 7 0. 006 730 0 .0 79430
0. 0012
0 .0137 64
0. 0149 64
0. 0808 27
2.8 6
4. 1255 44
10
0. 01
2.8 6
115
2. 49
5
RO-2
PU16
4
1
14
4. 565
0 .1 15
0. 063 9 0. 006 730 0 .0 70630
0. 0016
0 .0137 64
0. 0153 64
0. 0722 82
3.1 9
4. 6015 73
25
0. 01
3.1 9
115
2. 77
6
RO-2
PU36
4
1
5
4. 565
0 .1 15
0. 022 8 0. 006 730 0 .0 29530
0. 0006
0. 0137 64
0 .0143 64
0. 0328 38
7.0 3
10. 161 19
25
0. 01
7.0 3
115
3. 17
7
PU1
PM1
50
1
8
0. 387
0 .0 87
0. 003 1 0. 029 530 0 .0 32630
0. 0007
0 .0137 64
0. 0144 64
0. 0356 92
1.2 9
1. 8628 79
12 5
0. 01
1.2 9
115
1. 12
8
PU15
PM15
50
1
10
0. 387
0 .0 87
0. 003 9 0. 061 530 0 .0 65430
0. 0009
0 .0137 64
0. 0146 64
0. 0670 53
0.6 9
0. 9953 25
12 5
0. 01
0.6 9
115
0. 60
9
PU16
PM16
50
1
25
0. 387
0 .0 87
0. 009 7 0. 070 630 0 .0 80330
0. 0022
0 .0137 64
0. 0159 64
0. 0819 01
0.5 6
0. 8077 99
12 5
0. 01
0.5 6
115
0. 49
10
PU36
PM36
50
1
20
0. 387
0 .0 87
0. 007 7 0. 029 530 0 .0 37230
0 .0017
0 .0137 64
0. 0154 64
0. 0403 14
1.1 5
1. 6600 36
12 5
0. 01
1.1 5
115
1. 00
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