High-Performance 26/35kV Triple-Core Aluminum Power Cable for Reliable Medium-Voltage Power Transmission and Distribution Systems
Time of Release:
2026-04-23
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The 26/35kV triple-core aluminum power cable is a highly efficient and cost-effective solution designed for medium-voltage power transmission and distribution networks. Engineered to meet the demanding requirements of modern electrical infrastructure, this type of cable combines excellent electrical performance with mechanical durability, making it suitable for a wide range of industrial, commercial, and utility applications. Its triple-core structure allows for the transmission of three-phase power within a single cable assembly, reducing installation complexity and saving space in cable routing systems.
One of the key advantages of this cable is its aluminum conductor. Compared to copper, aluminum offers a lighter weight and lower material cost while still maintaining good electrical conductivity. This makes the cable easier to transport, handle, and install, especially in large-scale projects such as power plants, substations, and urban distribution networks. The conductor is typically compacted stranded aluminum, which enhances conductivity and reduces electrical losses during operation.
The insulation system of the 26/35kV triple-core aluminum power cable is usually made from cross-linked polyethylene (XLPE), a material known for its excellent thermal resistance, electrical insulation properties, and long service life. XLPE insulation can withstand higher operating temperatures compared to traditional materials, allowing the cable to carry higher current loads without compromising safety or performance. Additionally, XLPE is resistant to moisture, chemicals, and environmental stress, ensuring reliable operation even in harsh conditions.
Each core of the cable is individually insulated and may include a semi-conductive screen to ensure uniform electric field distribution and prevent partial discharge. The cores are then laid up together with fillers to form a circular cable shape, which improves mechanical stability and flexibility. An inner sheath is often applied to bind the cores and provide an additional layer of protection.
For enhanced safety and performance, the cable may include metallic shielding such as copper tape or wire screens. This shielding helps to control electromagnetic interference and provides a path for fault currents. In some designs, an armor layer made of steel tape or steel wire is added to protect the cable from mechanical damage, making it suitable for direct burial or installation in areas with high mechanical stress.
The outer sheath is typically made of PVC or polyethylene (PE), offering protection against environmental factors such as UV radiation, moisture, and abrasion. Flame-retardant or low-smoke zero-halogen (LSZH) sheath options are also available for installations in confined spaces, tunnels, or buildings where fire safety is a critical concern.
The 26/35kV triple-core aluminum power cable is widely used in power distribution systems for industrial plants, commercial buildings, renewable energy projects, and public infrastructure. It is suitable for installation in air, ducts, underground, or cable trays. Its robust design ensures stable performance under varying load conditions and environmental challenges.
In terms of standards, these cables are typically manufactured in accordance with international standards such as IEC, ASTM, or GB/T, ensuring consistent quality and compatibility with global electrical systems. Rigorous testing is conducted during production, including electrical, mechanical, and thermal performance tests, to guarantee reliability and safety.
Overall, the 26/35kV triple-core aluminum power cable offers an optimal balance of performance, durability, and cost-efficiency. Its advanced design and high-quality materials make it a preferred choice for modern medium-voltage power transmission and distribution applications, supporting the growing demand for reliable and sustainable energy infrastructure.
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Hunan Huatai Cable Co. LTD
Xiadopu Machinery Industrial Park, Ningxiang, Xiangjiang New District, Hunan Province
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