Single Core Aluminium Conductor Power cable Medium Voltage Underground Cable for Electrical Use
APPLICATION
Single-core aluminium conductor power cables with medium voltage ratings (typically 6kV–36kV) are widely used in the following scenarios
- Power Distribution Networks
- Industrial Facilities
- Infrastructure Projects
- Renewable Energy
CONSTRUCTION
- Conductor:Round compacted conductors
- Conductor Shield:Semi conductive shielding material (below 500mm2) Semi conductive tape+semi conductive shielding material (500mm2 and above)
- Insulation:Polyvinyl chloride (PVC)
- Insulation Shield:Peelable semiconducting shielding material
- Metal Shield Layer:Copper Tape Copper Wire(35kV 500mm2 above)
- Filler: Polypropylene(PP) mesh filling rope
- Binder Tape: Non hygroscopic straps
- Armouring: Steel Tape(Single core) Galvanized steel tape(3 core)
- Outer sheath: 90℃ Polyvinyl chloride (PVC)
CHARACTERISTIC
- Voltage Rating Uo/U
- 3.6/6(7.2)kV, 6/6(7.2)kV, 6/10(12)kV, 8.7/10(12kV), 8.7/15(17.5)kV, 12/20(24)kV,18/30(36)kV, 21/35(40.5)kV, 26/35(40.5)kV
- Maximum operating temperature of conductor:+90℃
- Operating ambient temperature: -15℃~+55℃
- Cable laying temperature:Not less than 0℃(When the ambient temperature is below 0℃, the cable should be preheated.)
- Minimum Bending Radius: Single Core 15D Three Core 12D
SPECIFICATION
3.6/6kV Cable Structure Parameters
| Specs
mm² | Conductor diameter
mm | Outer thickness of insulation
±1.0mm | Approx outer diameter of cable
mm | Approx cable weight
kg/km |
| 1×25 | 6.0±0.1 | 12.2 | 21.1 | 604 |
| 1×35 | 6.6±0.2 | 12.8 | 21.7 | 670 |
| 1×50 | 7.6±0.2 | 13.8 | 22.9 | 759 |
| 1×70 | 9.2±0.2 | 15.4 | 24.5 | 869 |
| 1×95 | 10.9±0.2 | 17.1 | 26.4 | 993 |
| 1×120 | 12.2±0.2 | 18.4 | 27.7 | 1110 |
| 1×150 | 13.6±0.2 | 19.8 | 29.2 | 1253 |
| 1×185 | 15.2±0.2 | 21.4 | 30.8 | 1412 |
| 1×240 | 17.4±0.2 | 23.8 | 33.4 | 1669 |
| 1×300 | 19.5±0.2 | 26.3 | 37.5 | 2306 |
| 1×400 | 22.0±0.2 | 29.2 | 40.6 | 2758 |
| 1×500 | 24.8±0.2 | 33.2 | 45.0 | 3296 |
| 1×630 | 28.2±0.2 | 366 | 48.7 | 3875 |
| 1×800 | 34.0±0.2 | 42.4 | 54.7 | 4663 |
6/6kV(6/10kV) Cable Structure Parameters
| Specs
mm² | Conductor diameter
mm | Outer thickness of insulation
±1.0mm | Approx outer diameter of cable
mm | Approx cable weight
kg/km |
| 1×25 | 6.0±0.1 | 15.6 | 23.1 | 687 |
| 1×35 | 6.6±0.2 | 16.2 | 23.7 | 756 |
| 1×50 | 7.6±0.2 | 17.2 | 24.9 | 849 |
| 1×70 | 9.2±0.2 | 18.8 | 26.5 | 963 |
| 1×95 | 10.9±0.2 | 20.5 | 28.3 | 1103 |
| 1×120 | 122±0.2 | 21.8 | 29.6 | 1224 |
| 1×150 | 13.6±0.2 | 23.2 | 31.2 | 1371 |
| 1×185 | 152±0.2 | 24.8 | 328 | 1536 |
| 1×240 | 17.4±0.2 | 27.0 | 36.5 | 1788 |
| 1×300 | 19.5±0.2 | 29.1 | 38.7 | 2401 |
| 1×400 | 22.0±0.2 | 31.6 | 41.6 | 2845 |
| 1×500 | 24.8±0.2 | 35.2 | 45.4 | 3332 |
| 1×630 | 282±0.2 | 38.6 | 49.1 | 3913 |
| 1×800 | 34.0±0.2 | 44.4 | 55.1 | 4704 |
8.7/10kV(8.7/15kV) Cable Structure Parameters
| Specs
mm² | Conductor diameter
mm | Outer thickness of insulation
±1.0mm | Approx outer diameter of cable
mm | Approx cable weight
kg/km |
| 1×25 | 6.0±0.1 | 17.6 | 25.1 | 786 |
| 1×35 | 6.6±0.2 | 18.2 | 25.9 | 857 |
| 1×50 | 7.6±0.2 | 19.2 | 26.9 | 954 |
| 1×70 | 9.2±0.2 | 20.8 | 28.6 | 1085 |
| 1×95 | 10.9±0.2 | 22.5 | 30.3 | 1218 |
| 1×120 | 12.2±0.2 | 23.8 | 31.8 | 1356 |
| 1×150 | 13.6±0.2 | 25.2 | 332 | 1494 |
| 1×185 | 15.2±0.2 | 26.8 | 36.3 | 1679 |
| 1×240 | 17.4±0.2 | 29.0 | 38.6 | 2291 |
| 1×300 | 19.5±0.2 | 31.1 | 40.9 | 2581 |
| 1×400 | 22.0±0.2 | 33.6 | 43.8 | 3036 |
| 1×500 | 24.8±0.2 | 37.2 | 47.7 | 3558 |
| 1×630 | 28.2±0.2 | 40.6 | 51.3 | 4130 |
| 1×800 | 34.0±0.2 | 46.4 | 57.4 | 4968 |
Contact us for 12/20kV 18/30kV 21/ 35kV and 26/35kV
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FAQ
Q: What is the voltage rating of single-core aluminum alloy medium voltage cables?
A : Typically rated for 6kV–36kV, suitable for industrial and urban power distribution networks
Q:Why choose aluminum alloy conductors over pure aluminum?
A: Aluminum alloys (e.g., AAAC) offer higher tensile strength and better corrosion resistance, reducing sagging in overhead line
Q. Can single-core cables be installed underground?
A. Yes, but require steel tape armor (STA) or swa (steel wire armor) for mechanical protection
Q. How to mitigate induced currents in single-core MV cables?
A. Use cross-bonding or non-magnetic piping to prevent eddy current losses
Q. Are these cables suitable for renewable energy projects?
A. Yes, widely used in wind/solar farms for connecting generators to substations
Q. How to specify conductor size (e.g., 120mm²)?
A. Based on load current and voltage drop calculations; 120mm² is common for industrial loads
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