Ultra-high Voltage Magnesium-Aluminum Alloy Tubular Bus Bar

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Ultra-high Voltage Magnesium-Aluminum Alloy Tubular Bus Bar

The Ultra-high voltage magnesium-aluminum alloy tubular bus bar is a key conductive component specifically designed for ultrahigh voltage power transmission and transformation systems. Utilizing a magnesium-aluminum alloy as its primary material, manufactured through advanced alloy formulations and precision processes, it forms a tubular conductor system with exceptional electrical performance, mechanical strength, and weather resistance. The product line includes various material specifications such as 6063G aluminum-magnesium alloy, LF21Y aluminum-manganese alloy, 6R05 rare-earth aluminum alloy, and 2A14 heat-resistant aluminum alloy, comprehensively covering ultrahigh voltage applications including 220 kV, 500 kV, 750 kV, ±800 kV, and 1000 kV scenarios.

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Technical Advantages


Advanced Material Technology  

Utilizes independently developed rare-earth and heat-resistant aluminum alloy formulations, with material performance meeting internationally advanced standards.  

The alloy composition is optimized to balance electrical conductivity, mechanical strength, and heat resistance.  


Precision Manufacturing Processes
 

Horizontal hot top casting technology ensures material purity and microstructural uniformity.  

Transverse piercing hotrolling technology enables seamless tube production, eliminating weld seam weaknesses.  

Thermomechanical treatment and multipass cold-drawing processes precisely control the material's microstructure.  


Excellent Electrical Performance  

High Conductivity: Strong current-carrying capacity and high transmission efficiency.  

Low Loss: Excellent convective heat dissipation design ensures controlled temperature rise and minimal energy loss.  

High Current-Carrying Capacity: Supports ultrahigh current transmission requirements.  

HighTemperature Resistance: Operating temperatures up to 150 °C–200 °C with stable performance under high-temperature conditions.  


Reliable Safety Performance  

Full Shielding Design: Uniform electric field distribution with no corona discharge.  

Corrosion Resistance: Advanced surface treatment technology provides strong corrosion resistance.  

IceProof Performance: Special surface treatment prevents ice formation.  

Seismic Resistance: Structural design adapts to high-intensity seismic environments.




Features

Material Characteristics: The ultra-high voltage magnesium-aluminum alloy tubular bus bar employs an optimized ratio of magnesium to aluminum, achieving significant weight reduction while ensuring excellent electrical conductivity. Its high specific strength and superior corrosion resistance make it particularly suitable for ultra-high voltage applications, effectively improving current distribution uniformity and reducing overall system load.


Mechanical Performance: This product demonstrates outstanding tensile strength, bending resistance, and vibration resistance, supporting larger-span installations beyond conventional designs. It perfectly adapts to extreme environmental conditions such as high wind pressure and strong vibrations, providing reliable structural stability for demanding applications such as wind power and rail transportation.


Insulation and Process Compatibility: The magnesium-aluminum alloy tubular bus bar exhibits excellent compatibility with various insulation processes, including epoxy vacuum casting and PTFE  wrapping. Special surface oxidation treatment effectively addresses insulation adhesion issues, ensuring tight bonding between the insulation layer and the conductor to meet insulation reliability requirements in diverse environments.


Application Scenario Expansion: Beyond traditional wind and photovoltaic applications, this product is particularly suitable for harsh conditions such as offshore wind power, salt fog environments,  and high-altitude power stations. It also meets the stringent demands for lightweight design and corrosion resistance in specialized applications, such as rail transportation and aerospace, demonstrating broad industry adaptability.

About Us
Jiangsu Wopeng Power Technology Co., Ltd.
Jiangsu Wopeng Power Technology Co., Ltd.
Founded in June 2018, Jiangsu Wopeng Power Technology Co., Ltd. has rapidly grown into a specialized high-tech enterprise in the field of high and low voltage busbar systems.

We gather a professional team of industry experts, senior engineering and technical personnel, and experienced production specialists who have been engaged in power equipment technology for many years.

Our main products include copper & aluminum tube busbars, wind power tube busbars, intensive (compact) busbars and sliding contact line systems. We focus on the R&D and manufacturing of 0.4 kV–35 kV fully insulated enclosed tube busbars and low-voltage cast resin busway systems, providing reliable power transmission paths for power plants, substations, wind farms, rail transit and industrial facilities.
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