Henan Crosslink Cable Co., Ltd.
Alloy cable
Category:
Product
Power Cable
Key words:
Alloy cable is a kind of power cable using high conductivity aluminum alloy (or other alloy materials) as conductor, combined with special insulation and sheath materials. Compared with traditional copper cables, alloy cables have the advantages of light weight, low cost, creep resistance and corrosion resistance while ensuring electrical performance, and are widely used in construction, electric power, new energy and other fields.
1. Main structure and materials
(1) Conductor
Aluminum alloy conductor (such as AA-8000 series):
Conductivity ≥ 61% IACS (close to the conductivity of copper).
Add iron, magnesium, silicon and other elements to improve mechanical strength and creep resistance.
Weight is about 30% lighter than copper, lower cost for the same amount of current-carrying capacity.
Other alloy conductors (e.g. copper-clad aluminum, aluminum-magnesium alloy, etc.):
Suitable for specific scenarios such as high frequency transmission or high flexibility requirements.
(2) Insulation
Cross-linked polyethylene (XLPE): high temperature resistance (90℃~125℃), aging resistance.
Polyvinyl Chloride (PVC): Economical, suitable for general environment.
Low Smoke Zero Halogen (LSZH): flame retardant, environmentally friendly, used in crowded places.
(3) Sheath (optional)
PVC sheath: moisture-proof, wear-resistant.
Polyethylene (PE): UV resistant, suitable for outdoor.
Armor (steel belt/steel wire): enhanced compression and tensile resistance, suitable for direct burial or pipe laying.
2. Product Features
| Characteristic | Description |
|---|---|
| Lightweight | 30% lighter than copper cable, easy to transport and install. |
| Cost Advantage | Aluminum alloy price is lower than copper, comprehensive cost savings of 20%~40%. |
| Creep resistance | Special alloy formula, long-term use does not loosen, reducing the risk of heating at the connection point. |
| Corrosion resistance | Strong resistance to oxidation, suitable for humid, salt spray environment (e.g. coastal areas). |
| Good flexibility | Small bending radius, suitable for complex wiring scenarios. |
| Environmental protection and energy saving | Low production energy consumption, some models can be recycled. |
3. Common Models
| Model | Model Name | Application Scene |
|---|---|---|
| YJLHV | Aluminum alloy conductor cross-linked polyethylene insulated cable | Building power distribution, electric power engineering |
| YJLHY | Aluminum alloy conductor polyethylene sheathed cable | Outdoor aerial, photovoltaic power station |
| YJLHV22 | Armored aluminum alloy cable | Direct burial, tunnel laying |
| AC90 | American standard aluminum alloy cable (UL certification) | Commercial buildings, data centers |
4. Application areas
Building power distribution: alternative to copper cable for residential and commercial building backbone lines.
New energy: DC side connection of photovoltaic power stations and wind power farms.
Industrial power: factories, mines and other high-current transmission scenarios.
Rail transportation: subway, high-speed rail power supply system (need to meet the requirements of flame retardant, low smoke).
Temporary power: good flexibility, suitable for exhibitions, construction site temporary power supply.
5. Comparison with copper cable
| Comparison items | Alloy cable | Copper cable |
|---|---|---|
| Conductivity | 61%~63% IACS | 100% IACS |
| Weight | 30% lighter | Heavier |
| Cost | 30%~50% lower | Higher |
| Creep resistance | Excellent (special alloy formula) | Average (crimping treatment required) |
| Corrosion resistance | Excellent (oxidation resistance) | Requires tinning or armor protection |
| Applicable Scenario | Medium and low voltage distribution, new energy | High frequency, precision instrument power supply |
6. Precautions
Connection technology: special alloy cable terminals should be used to prevent oxidation and loosening.
Calculation of current-carrying capacity: Under the same cross-sectional area, the current-carrying capacity of alloy cables is slightly lower than that of copper cables, which needs to be adjusted with reference to the standard.
Environmental adaptability: choose PE sheathed or armored model for outdoor or direct burial.
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