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Single Core Underground High Voltage Electrical Cable With Copper Or Aluminum Conductor

Categories High Voltage Cable
Brand Name: Zhongdong
Certification: CCC,ISO,VED,TUV
Place of Origin: Hebei,China
MOQ: Negotiable
Price: Negotiable
Payment Terms: ,L/C,T/T
Supply Ability: 100KM/Week
Delivery Time: 7-30 days based on different qty
Packaging Details: Wooden Drum
No of core: 1
Application: Underground
Conductor: Copper/Aluminum
Voltage: 64/100kV
Insulation: XLPE
Sheath: PVC
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Single Core Underground High Voltage Electrical Cable With Copper Or Aluminum Conductor

Single Core Underground High Voltage Cable Copper/Aluminum Conductor XLPE Insulated


Application


High-voltage cables are essential components in power transmission and distribution systems, designed to efficiently carry large amounts of electrical energy over long distances or in demanding environments. Key applications include:

  1. Long-Distance Power Transmission
  2. Grid Interconnections
  3. Renewable Energy Integration
  4. Industrial Power Supply
  5. Urban Underground Networks
  6. Submarine Applications
  7. Railway Electrification


Construction


  1. Conductor: Class 2 copper conductor compacted or segment strand Milliken
  2. Conductor Screen: Extruded semi-conductive XLPE (Cross-Linked Polyethylene)
  3. Insulation:XLPE(Cross-Linked Polyethylene)
  4. Insulation Screen: Extruded Semi-conductive XLPE (Cross-Linked Polyethylene)
  5. Separator: Water swellable semi-conductive tap
  6. Screen: Copper wire screen, with a counter helix of copper tape
  7. AMOUR:Aluminium wires or Stainless steel wires or Polymeric
  8. Sheath: HDPE (High Density Polyethylene)

Description


  1. Voltage Rating (Uo/U)(Um):64/110kV (123kV)
  2. Highest Network Voltage: 123kV
  3. Operating Temperature: -30°C to +90°C
  4. Short Circuit Temperature: +250°C
  5. Overload Temperature: +130°C

Specification


Parameter category

Parameter item

parameter values

configuration parameter

electric conductor

Material: copper core (cross-section range: 630~1600mm²)

External diameter of conductor

30.0~56.5mm (The larger the section, the increasing the outer diameter)

insulating course

Material: Cross-linked polyethylene (XLPE), thickness of 16.5±0.5mm

Conductor shielding layer

Thickness of 1.2mm (semi-conductive material)

insulation screen

Thickness of 1.0mm (semi-conductive material)

metallic sheath

Wrinkle aluminum sheath (2.0±0.2mm) (double galvanized steel strip, 0.5~0.8mm)

oversheath

Material: flame retardant polyvinyl chloride (PVC) or polyethylene (PE), thickness of 4.5±0.2mm

Electrical parameters

20 conductor DC resistance

0.0754~0.009 Ω / km (the larger the section, the lower the resistance)

90 conductor AC resistance

0.097~0.0142Ω/km

capacity value

134-282 p F/m (increased with increasing cross-section)

Power frequency pressure test

64 / 110kV (factory test)

Local discharge performance

At 5pC(1.5U under-voltage)

Mechanical and laying parameters

minimum bending radius

12 x cable outer diameter (armor layer requirement)

Allow working temperature

Long-term: 90, short circuit (within 5 seconds): 250

Laying ambient temperature

≥0

Vehicle flow reference

Flow rate in single return air

Section 630mm²: 1010A; section 1600mm²: 1690A (ambient temperature 40, soil thermal resistance 1.0m · / W)

Load flow rate of directly buried laying

Section 630mm²: about 800A; section 1600mm²: about 1300A (buried depth 1m, ground temperature 35)


Quality Single Core Underground High Voltage Electrical Cable With Copper Or Aluminum Conductor for sale
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