Single Core Underground High Voltage Electrical Cable With Copper Or Aluminum Conductor
Brand Name:Zhongdong
Certification:CCC,ISO,VED,TUV
Minimum Order Quantity:Negotiable
Delivery Time:7-30 days based on different qty
Payment Terms:,L/C,T/T
Place of Origin:Hebei，China
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Room 801,Tower C,China Minmetals Financial & Trade Center,Xi'an International Trade & Logistics Park,Xi'an,Shaanxi,China
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Product Details
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:
- Long-Distance Power Transmission
- Grid Interconnections
- Renewable Energy Integration
- Industrial Power Supply
- Urban Underground Networks
- Submarine Applications
- Railway Electrification
Construction
- Conductor: Class 2 copper conductor compacted or segment strand Milliken
- Conductor Screen: Extruded semi-conductive XLPE (Cross-Linked Polyethylene)
- Insulation:XLPE(Cross-Linked Polyethylene)
- Insulation Screen: Extruded Semi-conductive XLPE (Cross-Linked Polyethylene)
- Separator: Water swellable semi-conductive tap
- Screen: Copper wire screen, with a counter helix of copper tape
- AMOUR:Aluminium wires or Stainless steel wires or Polymeric
- Sheath: HDPE (High Density Polyethylene)
Description
- Voltage Rating (Uo/U)(Um):64/110kV (123kV)
- Highest Network Voltage: 123kV
- Operating Temperature: -30°C to +90°C
- Short Circuit Temperature: +250°C
- 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(1.5U₀ 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℃) |
Single Core Underground High Voltage Electrical Cable With Copper Or Aluminum Conductor
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