95mm2 ABC Standard Aluminum XLPE Cable Service Drop Single Without Neutral and Lighting Conductor for Overhead Application
The 95mm² ABC Standard Aluminum XLPE Cable Service Drop Single Without Neutral and Lighting Conductor is a high-efficiency power transmission product specifically designed for overhead power application scenarios. It occupies a crucial position in the terminal power transmission link of the distribution network, especially suitable for specific power supply scenarios that do not require a neutral conductor or a lightning conductor. Combining aluminum alloy as the core conductive material with the advantages of XLPE (cross-linked polyethylene) insulation layer and ABC (Aerial Bundled Cable) structure, this cable has formed significant competitiveness in performance, cost, and installation adaptability, providing a lightweight and high-reliability solution for overhead power transmission.
In terms of core structure and materials, the cable conductor is made of high-purity aluminum alloy through a multi-strand stranding process, with the cross-sectional area of the single-core conductor precisely controlled at 95mm². The aluminum alloy material not only has excellent electrical conductivity close to pure aluminum but also improves mechanical strength and corrosion resistance through the addition of alloying elements (such as magnesium and silicon), effectively solving the problems of easy breakage and poor weather resistance of traditional pure aluminum conductors. The 95mm² cross-sectional area design is tailored to meet medium and high-load power transmission needs, enabling stable carrying of large currents under rated operating conditions. At the same time, the stranding structure enhances the flexibility of the conductor, facilitating bending operations during overhead installation and reducing construction difficulty. The insulation layer is made of XLPE material, which forms a three-dimensional network molecular structure after chemical cross-linking or electron beam cross-linking treatment, endowing it with excellent insulation performance, high-temperature resistance, and aging resistance. It can maintain stable insulation effect within a wide temperature range of -40℃ to 90℃, with an insulation resistance of ≥1000MΩ·km. It can effectively resist ultraviolet radiation, rain erosion, and ozone oxidation in the overhead environment, avoiding leakage risks caused by aging and damage of the insulation layer. In addition, the cable adopts an ABC bundled structure design. Although there is no neutral conductor or lightning conductor, it still ensures the structural stability of the single-core conductor during overhead installation through optimized conductor arrangement and outer protection (such as HDPE binding tape), preventing conductor displacement or insulation layer wear.
In terms of performance characteristics, the cable prominently exhibits two major advantages: "lightweight" and "high adaptability". Compared with copper-core cables of the same specification, the aluminum alloy conductor weight is reduced by approximately 50%, which greatly reduces the load on overhead support structures (such as utility poles and brackets) and lowers infrastructure construction costs. At the same time, the lightweight feature makes cable transportation and installation more convenient, without the need for heavy hoisting equipment, and can be quickly installed with manual auxiliary machinery, shortening the construction period. In terms of electrical performance, the 95mm² cross-sectional area combined with the XLPE insulation layer achieves a balance between low loss and high voltage resistance. The DC resistance of the conductor (at 20℃) is ≤0.34Ω/km, and the power transmission loss is much lower than the industry standard, which can effectively reduce power waste at the end of the distribution network. The insulation layer has a voltage withstand strength of ≥18kV/mm, which can withstand short-term overload voltage impacts and ensure power supply stability. In addition, the cable has outstanding weather resistance and anti-environmental interference capabilities. After simulating harsh outdoor environment tests (such as high-low temperature cycles, salt spray corrosion, and ultraviolet aging), its performance attenuation rate is less than 5%, and the designed service life can reach more than 20 years, meeting the demand for long-term stable operation of overhead power products.
In terms of application scenarios, this cable is mainly suitable for single power transmission scenarios that do not require neutral conductors and lightning conductors, such as dedicated power supply lines for high-power equipment in industrial parks, power introduction lines for single high-power loads in remote areas (such as large irrigation pumps and communication base stations), and overhead distribution lines for some commercial buildings using three-phase three-wire power supply. In such scenarios, the load demand is concentrated and there is no need for civil single-phase electricity (so no neutral conductor is required), and there is already an independent lightning protection system (such as building lightning protection belts and regional lightning rods). The "no neutral conductor + no lightning conductor" design of the cable can avoid cost waste and increased installation complexity caused by redundant structures. For example, in industrial parks, it can provide exclusive three-phase power transmission for large-scale production equipment, and the 95mm² cross-sectional area meets the high-power demand of the equipment; in remote areas, it can directly connect the substation and a single high-power load, and the lightweight design is suitable for the local simple overhead infrastructure, reducing construction difficulty.
From the perspective of cost and economy, this cable has significant cost advantages. The price of aluminum alloy raw materials is lower than that of copper, and the lightweight feature reduces the cost input of transportation, installation, and support structures. The overall project cost is 20%-30% lower than that of copper-core cables of the same specification. At the same time, the long-life characteristics of the XLPE insulation layer and aluminum alloy conductor reduce the frequency of later maintenance and replacement, lowering the full-life cycle cost. In addition, the cable complies with internationally general ABC cable standards (such as IEC 60502, NFC 33-209) and relevant domestic specifications, with strong product consistency and compatibility. It can be seamlessly connected with the existing overhead power distribution system without additional equipment modification, further improving project economy and implementation efficiency.
In terms of installation and usage precautions, although the cable has no neutral conductor or lightning conductor, it is still necessary to follow the overhead cable laying specifications: during laying, the cable bending radius must not be less than 12 times the cable outer diameter (for fixed laying) or 20 times the cable outer diameter (for dynamic laying) to avoid insulation layer damage; the overhead span must be reasonably designed according to the load-bearing capacity of the support structure, and the single-span span is usually not more than 50 meters; after installation, the appearance of the insulation layer (such as whether there are cracks or bulges) and the temperature of the conductor connection points should be checked regularly to ensure no abnormal heating. In addition, since there is no lightning conductor, it is necessary to ensure that the application scenario is equipped with an independent lightning protection system to avoid damage to the cable caused by lightning strikes and ensure power supply safety.
انقر للعرض