ASTM Standard Aerial Bundled ABC Power Cable 15kV 35kV For Overhead Distribution Line

ASTM Standard Aerial Bundled ABC Power Cable 15kV 35kV For Overhead Distribution Line

APPLICATION

Screened MV ABC cables are specialized power transmission solutions combining medium-voltage (MV) capabilities with the structural advantages of Aerial Bunch Cables (ABC). Their applications include:

• Medium-Voltage Distribution Networks
• Aerial Power Infrastructure
• ‌Industrial Power Supply‌
• ‌Renewable Energy Projects‌

CONSTRUCTION 

• Conductor: Circular Compacted Stranded H68 Aluminium ( Class 2) 
• Conductor Screen:Extruded Semi-conductive Layer 
• Insulation:XLPE
• Insulation Screen:Extruded Semi-conductive Layer
•  Metallic Screen:Copper wire screen or copper tape screen 
• Outer Sheath:HDPE 
• Support Conductor:Galvanized steel wires

CHARACTERISTIC 

• Voltage rating: 19/33kV up to 35kV
• Normal operation 90°C.
• Emergency over load conditions 130°C.
• Short circuit conditions 250°C.

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FAQ

‌What does 35kV ABC cable mean?‌
It refers to Aerial Bundled Cable designed for 35kV medium-voltage distribution systems, featuring multiple insulated conductors bundled together with messenger wires for overhead installation

‌What insulation materials are used?‌
Typically XLPE (Cross-linked Polyethylene) insulation rated for 90°C continuous operation, providing superior thermal stability and dielectric strength compared to low-voltage ABC cables

What's the maximum span length?‌
Standard designs allow 100-150m spans depending on wind/ice load conditions, with reinforced variants supporting up to 200m spans through high-strength aluminum alloy messenger

‌Does it require lightning protection?‌
Yes, shielded versions incorporate concentric neutral conductors or metallic screens complying with IEC 60502-2 for surge protection in exposed installations

Can it be installed in coastal areas?‌
Special anti-corrosion versions with weather-resistant XLPE compound and tinned copper screens are available for salt-laden environments

What's the bending radius requirement?‌
Minimum 12×cable diameter during installation (e.g., 480mm for 40mm diameter cable) to prevent insulation damage

‌How does it handle short-circuit currents?‌
Rated for 250°C for 5 seconds during short circuits, with copper screen variants achieving higher fault current capacity than aluminum screens

‌Is jointing different from underground cables?‌
Yes, requires specialized aerial joints with UV-resistant covers and tension-resistant mechanical design for field installation

‌What maintenance is required?‌
Periodic infrared thermography to detect hotspots, plus visual inspection for tree/wildlife damage in forested areas