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

Zhongdong Cable Co., Ltd.
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    Buy cheap Single Core Underground High Voltage Electrical Cable With Copper Or Aluminum Conductor from wholesalers
     
    Buy cheap Single Core Underground High Voltage Electrical Cable With Copper Or Aluminum Conductor from wholesalers
    • Buy cheap Single Core Underground High Voltage Electrical Cable With Copper Or Aluminum Conductor from wholesalers

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

    Ask Lasest Price
    Brand Name : Aluminum High Voltage Cable
    Certification : CCC,ISO,VED,TUV
    Price : Negotiable
    Payment Terms : ,L/C,T/T
    Supply Ability : 100KM/Week
    Delivery Time : 7-30 days based on different qty
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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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