48/66kv Copper Conductor XLPE Insulated Corrugated Aluminum Sheath PVC Sheath Power Cable

China 
                48/66kv Copper Conductor XLPE Insulated Corrugated Aluminum Sheath PVC Sheath Power Cable
              manufacture and supplier

48/66kv Copper Conductor XLPE Insulated Corrugated Aluminum Sheath PVC Sheath Power Cable image

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Basic Info.

Trademark
VILLE

Origin
Ningbo

Packaging & Delivery

Package Size
1.00cm * 1.00cm * 1.00cm

Package Gross Weight
1.000kg

Product Description

Cu/XLPE/CAS/HDPE 36/66kv 48/66kv XLPE Insulated Underground Power Cable

48/66kv Copper Conductor XLPE Insulation Creasing-Aluminum Sheathed and PVC Sheathed Logitudinal-Block-Water Power Cable

Conductors

The cable conductors can be made of copper or aluminium. The choice is a matter of

customer’s preference or current carrying capacity. Large size solid conductors are

made of aluminium.

Available conductor constructions:

(1)round solid conductors up to 2000 mm2 (RE)

(2)circular stranded compacted conductors up to 1200 mm2 (RM)

(3)circular conductors with shaped wires up to 2000 mm2 (RM, Keystone conductors)

(4)segmental conductors up to 2500 mm2 (RMS, Milliken conductors)

(5)oval shaped stranded compacted conductors up to 800 mm2 for external gas

pressure cables (OM)

The conductors are manufactured to meet the requirements of the relevant national and

international standards. For special applications the conductors can be made watertight.



Insulation

The insulations for low pressure oil filled cables and for conventional pipe type cables

are lapped from high quality insulating papers. Subsequently the paper insulated cable cores are impregnated in appropriate vessels with low viscous oil or high viscous

compound.

For manufacture of XLPE insulated high voltage cables, GW cables disposes of four extrusion lines. Highest quality standards together with latest process control equipment

and combined with decades of experience ensure manufacture of cables meeting the highest requirements and enabling development of most advanced power cable systems.



Metallic Covering

Conventional paper insulated cables require a pressure proof and watertight metallic

enclosure, acting also as metallic screen. At GW cables both, extruded lead sheath as

well as the aluminium sheath can be applied. These types of metal sheaths are, of course,

also used on XLPE insulated cables. While the lead sheath leads to smaller dimensions, the aluminium sheath provides high short circuit current carrying capability and lower weight.

As the XLPE insulated cables do not require an internal overpressure, they are usually

equipped with a copper wire screen. For radial moisture barrier a coated aluminium foil is longitudinally applied. The combination with the polyethylene oversheath is called aluminium polyethylene laminated (APL) sheath. This solution provides high short circuit capability and watertightness combined with lowest weight and smallest dimensions.

A combination of the copper wire screen with a metal sheath is also possible. For all XLPE insulated high voltage cables, the space between cable core and water barrier is made longitudinally watertight.



Oversheath

An extruded polyethylene sheath is provided as the standard solution. With respect

to its excellent mechanical strength it is the optimum for buried cables. If required,

a conductive layer can be provided on the outside. For special applications different

sheathing material may be used, optimized for the purpose.



Cabling and Armouring

For the conventional pipe type cables as well as for the City Cable, laying-up of the

three cores and provision of the strong steel armour is an essential feature. Therefore,

GW cables disposes also of the appropriate machinery to carry out these production

Steps.

 

Size of Structure and Referent Weight
 
                     
 Voltage         Nominal Cross  Nominal Conductor Diameter Thickness of Inner Sheath Thickness   of   Sheath Thickness   of Outer Sheath  Thickness   of Water Resistant Layer        Thickness   of Al   Sheath Thickness   of   Sheath       Thickness   of Appr. Diameter              kg/km Appr.Weight
Cu Al
PVC    PE       PVC    PE      
kV mm2 mm mm mm mm mm mm mm mm
48/66 240 18.6  1.5  13.5  1.0  2.0  2.0  4.0  76 6598 6281 5128 4811
300 20.8  1.5  13.5  1.0  2.0  2.0  4.0  78 7329 7003 5487 5161
400 23.6  1.5  13.5  1.0  2.0  2.0  4.0  81 8317 7979 5861 5623
500 26.6  1.5  13.5  1.0  2.0  2.0  4.0  84 9546 9194 6520 6168
630 30.0  1.5  13.5  1.0  2.0  2.0  4.0  87 11113 10748 7201 6836
800 34.0  1.5  13.0  1.0  2.0  2.0  4.0  91 12912 12534 7902 7524
800F 35.2  2.0  13.0  1.0  2.0  2.0  4.0  94 13614 13180 8604 8170
1000F 39.4  2.0  13.0  1.0  2.0  2.0  4.5  100 15844 15390 9557 9103
1200F 42.6  2.0  13.0  1.0  2.0  2.0  4.5  104 17641 17173 10313 9845
1400F 46.1  2.0  13.0  1.0  2.0  2.0  4.5  107 19771 19287 11190 10706
1600F 49.2  2.0  13.0  1.0  2.0  2.0  4.5  110 21806 21308 12010 11512
                           
   Note:Type F is partial conductor

Packing: 

 
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