TABELA-1 (IZBOR PRESEKA I TIPA KABLA (JUS N.B2.752) I IZBOR UREĐAJA ZA ZAŠTITU KABLA OD PREOPTEREĆENJ A)
TRASA KABLA TS - KPO KPO - GRO GRO - PMP1 GRO - PMP3 GRO - PMP5 GRO - DUV1 GRO - CP1 GRO - CP2 GRO - PMIX GRO - KP GRO - UA GRO - MPV KPK - RT RT - utičnica RT - sijalica RT - klima
tip kabla PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y
presek Tip [mm2] razvoda 35 D 35 J 2.5 J 2.5 J 2.5 J 2.5 J 2.5 J 2.5 J 2.5 J 2.5 J 2.5 J 2.5 J 2.5 J 2.5 B 1.5 B 2.5 B
Ps [kW] 34.6 34.6 0.75 0.75 1.1 5.5 5.5 5.5 1.1 1.5 3 2.2 3 3 0.1 2
COSφ 0.9 0.9 0.79 0.79 0.79 0.8 0.8 0.8 0.8 0.96 0.82 0.81 0.9 0.9 1 0.9
η 1 1 0.8 0.8 0.75 0.9 0.9 0.9 0.9 0.98 0.86 0.85 1 1 1 1
br. faza 3 3 1 1 1 3 3 3 3 1 3 3 3 1 1 1
IB [A] 55.56 55.56 5.16 5.16 8.07 11.04 11.04 11.04 2.21 6.93 6.15 4.62 4.82 14.49 0.43 9.66
GOTOVO SVE Proracun nosivosti kablova
Id 103 147 28 28 28 28 28 28 28 28 28 28 28 21 15.5 21
k1 0.70 1.00 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.85 0.85 0.85
k2 1.06 0.94 1.06 1.06 1.06 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94
Itd [A] 76 138 22 22 22 20 20 20 20 20 20 20 20 17 12 17
vrsta zaštitnog uređaja osigurač osigurač MZP MZP MZP osigurač MZP MZP MZP MZP MZP MZP osigurač osigurač osigurač osigurač
k 1.6 1.35 1.2 1.2 1.2 1.35 1.2 1.2 1.2 1.2 1.2 1.2 1.35 1.35 1.35 1.35
In [A] 63 63 6 6 10 20 12 12 4 10 10 6 16 16 10 16
I2 [A] 100.8 85.1 7.2 7.2 12.0 27.0 14.4 14.4 4.8 12.0 12.0 7.2 21.6 21.6 13.5 21.6
USLOV IB≤In≤Itd DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA
USLOV 1.45Itd≥I2 DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA
1. Pad napona
∆u = K·Pj · l / s ·η [%]
Konstanta k za monofazna strujna kola Konstanta k za trofazna strujna kola
Cu 0.07 0.01
Odabrani tip kabla sa karakteristikama S - presek kabla (mm2)
l - dužina kabla (m)
Konstanta koja zavisi od napona i vrste materijala kabla (K)
Pad napona na deonici (%)
Uiz.-ukupan pad napona do trafo stanice (%)
Udoz.-dozvoljeni pad napona (%)
Uslov Uiz
(V) 400 400 230 230 230 400 400 400 400 230 400 400 400 230 230 230
Bakar / Aluminijum
1 1 0.8 0.8 0.75 0.9 0.9 0.9 0.9 0.98 0.86 0.85 1 1 1 1
Proračun pada napona
Tip kabla
34.6 34.6 0.75 0.75 1.1 5.5 5.5 5.5 1.1 1.5 3 2.2 3 3 0.1 2
Napon
KPK GRO PMP1 PM3 PMP5 DUV1 CP1 CP2 PMIX KP UA MPV RT utičnica sijalica klima
Stepen iskorišćenja
DO
TS KPK GRO GRO GRO GRO GRO GRO GRO GRO GRO GRO KPK RT RT RT
Pj (jednovremeno opterećenje potrošača) (KW)
OD
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16.
Pj – jednovremeno opterećenje (KW) l – Dužina kabla (m) s – Presek kabla (mm2) η - stepen korisnog dejstva
Al 0.12 0.02
K-ke potrošača
Redni broj deonice
Deonica
gde je:
PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y PP00-Y
Cu Cu Cu Cu Cu Cu Cu Cu Cu Cu Cu Cu Cu Cu Cu Cu
35 35 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 1.5 2.5
12 2 17 12 10 8 5 6 6 8 25 10 5 2 2 3
0.0124 0.0124 0.0738 0.07 0.07 0.01 0.01 0.01 0.01 0.07 0.01 0.01 0.01 0.07 0.07 0.07
0.14710 0.01839 0.47048 0.33210 0.43296 0.24249 0.15156 0.18187 0.03637 0.36147 0.43256 0.12838 0.07440 0.17712 0.00984 0.17712
0.14710 0.16549 0.63596 0.49759 0.59845 0.40798 0.31704 0.34735 0.20186 0.52696 0.59804 0.29386 0.22150 0.39862 0.23134 0.39862
5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 3.00 5.00
DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA
Ω/km Ω/km
x [Ω/km]
Impendansa petlje kvara Zk [Ω]
Efektivna vrednost naizmenične struje početnog kratkog spoja Ik" [A]
Vreme isključenja t [s]
Udarni broj X
r [Ω/km]
Koeficijent jednosmerne komponente m
Koeficijent naizmenične komponente n
Srednja vrednost efektivne struje kratkog spoja Ikm [A]
Amin. [mm²]
TS - KPO KPO - GRO GRO - PMP1
35 35 2.5
0.012 0.002 0.017
0.52
0.077
0.00629
0.00092
15.176
11.848
19.253
12,009
0.004
1.00
0.00
1.0
12,009
6.53
0.52
0.077
0.00105
0.00015
17.272
12.156
21.121
10,947
0.005
1.00
0.00
1.0
10,947
6.66
7.28
0.104
0.12376
0.00177
264.792
15.692
265.257
867
0.004
1.00
0.00
1.0
867
0.47
GRO - PMP3
2.5
0.012
7.28
0.104
0.08736
0.00125
191.992
14.652
192.550
1,194
0.004
1.00
0.00
1.0
1,194
0.65
GRO - PMP5
2.5
0.010
7.28
0.104
0.07280
0.00104
162.872
14.236
163.493
1,407
0.004
1.00
0.00
1.0
1,407
0.77
GRO - DUV1
2.5
0.008
7.28
0.104
0.05824
0.00083
133.752
13.820
134.464
1,710
0.010
1.00
0.00
1.0
1,710
1.47
GRO - CP1 GRO - CP2 GRO - PMIX GRO - KP GRO - UA GRO - MPV
2.5 2.5 2.5 2.5 2.5 2.5
0.005 0.006 0.006 0.008 0.025 0.010
7.28
0.104
0.03640
0.00052
90.072
13.196
91.034
2,540
0.004
1.00
0.00
1.0
2,540
1.38
7.28
0.104
0.04368
0.00062
104.632
13.404
105.487
2,192
0.004
1.00
0.00
1.0
2,192
1.19
7.28
0.104
0.04368
0.00062
104.632
13.404
105.487
2,192
0.004
1.00
0.00
1.0
2,192
1.19
7.28
0.104
0.05824
0.00083
133.752
13.820
134.464
1,720
0.004
1.00
0.00
1.0
1,720
0.94
7.28
0.104
0.18200
0.00260
381.272
17.356
381.667
606
0.004
1.00
0.00
1.0
606
0.33
7.28
0.104
0.07280
0.00104
162.872
14.236
163.493
1,414
0.004
1.00
0.00
1.0
1,414
0.77
KPK - RT RT - utičnica RT - sijalica RT - klima
2.5 2.5 1.5 2.5
0.005 0.002 0.002 0.003
7.28
0.104
0.03640
0.00052
87.976
12.888
88.915
2,600
0.010
1.00
0.00
1.0
2,600
2.24
7.28
0.104
0.01456
0.00021
117.096
13.304
117.849
1,952
0.010
1.00
0.00
1.0
1,952
1.68
12.1
0.108
0.02420
0.00022
136.376
13.320
137.025
1,679
0.010
1.00
0.00
1.0
1,679
1.44
7.28
0.104
0.02184
0.00031
131.656
13.512
132.348
1,738
0.010
1.00
0.00
1.0
1,738
1.49
Reaktivan otpor petje od TS do krajnjeg potrošača Xp [Ω]
L [km]
Trasa
Aktivan otpor petje od TS do krajnjeg potrošača Rp [Ω]
S [mm²]
Reaktivan otpor na trasi X1 [Ω]
²
Aktivan otpor na trasi R1 [Ω]
Rt = 2.6 Xt = 10
I u=k⋅ 2⋅I k 3 p
R e =R m R t 2 ∑ R i
I u=k⋅ 2⋅I k 3 p ,,
Ik =
10 3⋅U ,,n
3⋅Zk
R e =R m R t 2 ∑ R i
ZTr1f =
Trasa TS - KPO KPO - GRO GRO - PMP1 GRO - PMP3 GRO - PMP5 GRO - DUV1 GRO - CP1 GRO - CP2 GRO - PMIX GRO - KP GRO - UA GRO - MPV KPK - RT RT - utičnica RT - sijalica RT - klima
S [mm²] 35 35 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 1.5 2.5
L [m] 12 2 17 12 10 8 5 6 6 8 25 10 5 2 2 3
Rf+n [mΩ] 6.123 1.021 121.448 85.728 71.440 57.152 35.720 42.864 42.864 57.152 178.600 71.440 35.720 14.288 23.813 21.432
Rps [mΩ] 16.453 17.474 138.922 103.202 88.914 74.626 53.194 60.338 60.338 74.626 196.074 88.914 52.173 66.461 75.987 73.605
10.33
Uz [V] 230 230 230 230 230 230 230 230 230 230 230 230 230 230 230 230
mΩ Ig [A] 13,978.85 13,162.41 1,655.61 2,228.64 2,586.77 3,082.04 4,323.80 3,811.86 3,811.86 3,082.04 1,173.03 2,586.77 4,408.37 3,460.65 3,026.84 3,124.77
In [A] 63 63 6 6 10 20 12 12 4 10 10 6 16 16 10 16
ki 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5
Ii [A] 157.5 157.5 15.0 15.0 25.0 50.0 30.0 30.0 10.0 25.0 25.0 15.0 40.0 40.0 25.0 40.0
Ig > Ii DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA
Z p= R 2 X p
p2
Z k =
U0 k⋅I n
R p= Rt 2 ∑ R 1 i
Kratak spoj u tački
Deonica
ZTr1f
R1
R2
R3
R4
R5
R6
[mΩ]
[mΩ]
[mΩ]
[mΩ]
[mΩ]
[mΩ]
[mΩ]
KPK
TS - KPO
10.33
6.1
GRO
KPO - GRO
10.33
6.1
2
PMP1
GRO - PMP1
10.33
6.1
2
PM3
GRO - PMP3
10.33
6.1
2
PMP5
GRO - PMP5
10.33
6.1
2
DUV1
GRO - DUV1
10.33
6.1
2
CP1
GRO - CP1
10.33
6.1
2
CP2
GRO - CP2
10.33
6.1
2
PMIX
GRO - PMIX
10.33
6.1
2
KP
GRO - KP
10.33
6.1
2
UA
GRO - UA
10.33
6.1
2
GRO - MPV
10.33
6.1
2
KPK - RT
10.33
6.1
RT - utičnica
10.33
6.1
RT - sijalica
10.33
6.1
RT - klima
10.33
6.1
MPV RT utičnica sijalica klima
Trasa TS - KPO (R1) KPO - GRO (R2) GRO - PMP1 (R3) GRO - PMP3 (R4) GRO - PMP5 GRO - DUV1 GRO - CP1 GRO - CP2 GRO - PMIX GRO - KP GRO - UA GRO - MPV KPK - RT RT - utičnica RT - sijalica RT - klima
S [mm²] 35 35 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 1.5 2.5
L [m] 12 2 17 12 10 8 5 6 6 8 25 10 5 2 2 3
Rf+n [mΩ] R1=
6.1
R2=
1.0
R3= 121.4 R4= R5= R6= R7= R8= R9= R10= R11= R12= R13= R14= R15= R16=
85.7 71.4 57.2 35.7 42.9 42.9 57.2 178.6 71.4 35.7 14.3 23.8 21.4
121.4
R11
R12
R13
[mΩ] [mΩ][mΩ][mΩ] [mΩ]
R7
R8 R9 R10
[mΩ]
[mΩ]
R14
R15
R16
[mΩ]
[mΩ]
[mΩ]
[mΩ]