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Cable Calculator (IEC 60364-5-52)
Project:
Project Title:
Client:
EPC Contractor:
Date:
Designed By:
Version:
Switch Board:
Feeder Code:
Load Title:
Load Data:
No. of phases:
1
3
Load power (KW):
Percent of load harmonic (%):
Short circuit duration (sec):
System line voltage(v):
Power factor:
Max voltage drop (Δu %):
I
n
(A) (cable protection):
Cable Data:
Cable Insulation:
PVC Flexible (Up to 1.1 KV)
LT PVC (Up to 1.1 KV)
LT XLPE (Up to 1.1 KV)
No. of layers(Cable arrangement):
1
2
3
6
Number of cable runs per phase:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
Cable arrangement:
touching
spaced
bunched
Adjuscent cables:
the same size
different size
Arrangement(cables touching):
Bunched in air, on a surface, embedded or enclosed
Single layer on wall, floor or unperforated cable tray systems
Single layer fixed directly under a wooden ceiling
Single layer on a perforated horizontal or vertical cable tray systems
Single layer on cable ladder systems or cleats etc.
Method of instalation(F method):
Perforated trays (Three cables in horizontal formation)
Vertical perforated cable trays systems (Three cables in vertical formation)
Cable ladder system cleats, etc (Three cables in horizontal formation)
Perforated cable trays systems (Three cables in trefoil formation)
Vertical perforated cable trays systems (Three cables in trefoil formation)
Cable ladder system cleats, etc (Three cables in trefoil formation)
Method of instalation(E method):
Perforated cable trays systems (Touching)
Perforated cable trays systems (Spaced)
Vertical perforated cable trays systems (Touching)
Vertical perforated cable trays systems (Spaced)
Unperforated cable trays systems (Touching)
Cable ladder system cleats, etc (Toucching)
Selected Cable:
Best Cable
Instalation Method:
A1:Single core/recessed conduit
A2:Multi core/recessed conduit
B1:Single core/flash MNT. conduit
B2:Multi core/flash MNT. conduit
C: Flash Mounted cable
D1: In conduit buried in ground
D2: Buried in ground
E: Multi core on tray/ladder
F: Single core on tray/ladder (touching)
G: Single core on tray/ladder (spaced)
No. Of cable cores:
1
2
3
3.5
4
No. of adjuscent circuits:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Cable Length(m):
No. of cable in duct:
1
2
3
4
5
6
7
8
9
10
Soil thermal resistivity:
0.5
0.7
1
1.5
2
2.5
3
Cable to Cable clearence (D1 method):
nil
0.25m
0.5m
1.0m
Cable to Cable clearence (D2 method):
nil
cable dia
0.125m
0.25m
0.5m
Conductor:
AL
CU
Result:
I
b
(A) [load current]:
K
2
[adjuscent derating factor]:
K
tot
[total derating factor]:
I
z
(A) [cable derated capacity]:
Cable Resistance (Ω/M):
%∆U:
I
N
[Neutral current]:
K
1
[temperature derating factor]:
K
3
[soil thermal resistivities factor]:
K
h
[hoarmonic derating factor]:
I
0
(A) [cable nomined capacity]:
Short circuit capacity of cable (KA):
Cable Reactance (Ω/M):
Phase/PE Short circuit current (KA):