Hebei New Baofeng Wire & Cable Co.,Ltd
Hebei New Baofeng Wire & Cable Co.,Ltd
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Single Core Copper Conducotr , Middle Voltage Power Cable PVC
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Sl No. |
Description |
Unit |
Required specification |
Manufacturer’s Particulars |
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|
Name & address of the Manufacturer |
|
To be mentioned |
NBF cable HEBEI PROVINCE CHINA |
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|
Type / Model of the offered Cable |
|
To be mentioned |
CU/XLPE |
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|
Nominal System voltage |
KV |
33 |
33 |
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Rated Voltage Cable |
KV |
18/33 (36) |
18/33 (36) |
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Process of manufacturing |
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VCV/CCV |
VCV |
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Number of core and Cross sectional area of conductor cores |
Sq.mm |
1X500 |
1X500 |
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Conductor materials |
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Copper |
Copper |
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Minimum no. of strand |
No. |
53 |
60 |
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Diameter of each strand |
mm |
To be mentioned |
3.36 |
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Shape of conductor |
|
Compacted circular |
Compacted circular |
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Type of conductor screen |
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Semi-conducting |
Semi-conducting XLPE |
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Thickness of semi-conducting screen |
mm |
0.6 |
0.6 |
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Average thickness of insulation |
mm |
8.0 |
8.0 |
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Process of curing |
|
Dry process |
Dry process |
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Material of Insulation
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|
Cross Linked Polyethylene (XLPE) |
Cross Linked Polyethylene (XLPE) |
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Type of non-metallic insulating screen |
|
Semi-conducting
|
Semi-conducting XLPE |
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Thickness of semi- conducting insulation screen |
mm |
1.0 |
1.0 |
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Number and diameter of copper screen strands |
No./mm |
Based on design calculation |
60/3.36 |
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Composition of filler |
|
PVC |
PVC |
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Composition of bedding |
|
Extruded PVC |
Extruded PVC |
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Thickness of bedding |
mm |
Based on design calculation |
1.5 |
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Number and diameter of armour wire |
No./mm |
As per IEC 60502
|
42 |
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Average thickness of MDPE over sheath |
mm |
Based on design calculation |
2.9 |
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|
Nominal diameter of complete cable |
mm |
Based on design calculation |
61.0 |
|
|
Nominal weight per meter of complete cable |
Kg/m |
Based on design calculation |
7.88 |
|
|
Minimum radius of bend round which cable can be laid |
mm |
Based on design calculation |
1000 |
|
|
Maximum D.C. resistance conductor per meter at 20°C |
Ohm/m |
Based on design calculation |
0.0366 |
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Maximum A.C. resistance conductor per meter at maximum conductor temperature |
Ohm/m |
Based on design calculation |
0.0484 |
|
|
Star reactance per meter cable at 50Hz |
Ohm/m |
Based on design calculation |
0.142 |
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Star capacitance per meter of cable at 50Hz |
pF/m |
Based on design calculation |
285 |
|
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Charging current per conductor per meter at 18000/30000Volts, 50Hz |
mA |
Based on design calculation |
2.68 |
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Maximum current carrying capacity of conductor in ground |
A |
Based on design calculation |
625 |
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Maximum conductor temperature under continuous loading |
ºC |
Based on design calculation |
90 |
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Short circuit withstand capacity of the cable for sec. Duration |
KA |
Mm. 25
|
25 |
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Conductor temperature the end of short circuit |
ºC |
≤ 250 |
≤ 250 |
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Earth fault withstand capacity for 1 sec. |
KA |
Mm. 25 |
25 |
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Screen short circuit withstand capacity |
KA |
Mm. 25 |
25 |
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Armour short circuit capacity |
KA |
Based on design calculation |
25 |
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Cable resistance, reactance: |
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|
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a) for positive sequence |
Ohm/m |
Based on design calculation |
0.0481+j0.186 |
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b) negative sequence |
Ohm/m |
Based on design calculation |
0.0481+j0.186 |
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c) zero sequence |
Ohm/m |
Based on design calculation |
0.0751+j0.334 |