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Flexible Copper Braided Wires

Flexible Copper Braided Wires
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Copper Braided Mesh
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Copper Shielding Wires
Square Copper Braided Wires

Square Copper Braided Wires
Flexible Copper Stranded Wires

Flexible Copper Stranded Wires
Insulated Flexible Copper Stranded Wires

Insulated Flexible Copper Stranded Wires
Hard Drawn Copper Stranded Wires

Hard Drawn Copper Stranded Wires
Stainless Steel Braided Wires

Stainless Steel Braided Wires
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Aluminum Braided Wires
Highly Flexible Stranded Copper Wire

Highly Flexible Stranded Copper Wire
Bridgold In Superconducting Technology Applications
Bridgold In Superconducting Technology Applications
Bridgold In Superconducting Technology Applications
Bridgold In Superconducting Technology Applications
Bridgold In Superconducting Technology Applications
Bridgold In Superconducting Technology Applications

China's Leading Suppliers: Bridgold's Advanced Factory for Superconducting Technology Applications

Modern Digital Factory in China

Bridgold proudly presents its new Phase II factory, covering an area of 15,000 m², which was launched in October 2023. This state-of-the-art facility incorporates advanced digital management and intelligent production systems, ensuring full traceability, high precision, and consistent quality. As a leading supplier in the superconducting technology market, our robust capabilities facilitate high-volume deliveries, setting us apart from other factories in China.

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    Product Details

    Deep Experience in Superconducting Technology Applications

    With over 10 years of expertise in copper busbars, we possess in-depth knowledge of the unique demands of superconducting systems—high-current transmission within cryostats, extremely low thermal leakage requirements, stringent insulation withstand, and vibration resistance. From material selection and structural design to insulation withstand and temperature-rise validation, we offer customized solutions throughout the entire design cycle, ensuring the high reliability and safety of copper busbars as critical transition connections between room-temperature terminals and superconducting magnets/cables.

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    Superconducting Technology (1)
    Superconducting Technology (2)
    Superconducting Technology (3)

    Product Details (Core Functions of Copper Busbars)

    Copper busbars deliver three core functions in superconducting technology:

    High-Current Transmission

    Connecting superconducting magnet power supplies to cryostat feedthroughs, carrying thousands of amperes of DC current.

    Equipotential Bonding & Grounding

    Equalizing enclosure and structural potentials while providing safe protection paths across the entire assembly.

    Absorbing Vibration & Thermal Stress

    Cushioning mechanical stress from cryocooler vibration and thermal contraction displacement during temperature variations.

    Laminated Busbars

    Low parasitic inductance effectively suppresses transient overvoltage, protecting sensitive superconducting magnets and power devices; flat profile saves limited space within cryostats; custom L/Z shapes available.

    Braided Busbars

    Ultimate flexibility with an extremely small bending radius, effectively absorbing cryocooler vibration and thermal contraction displacement; the braided structure distributes stress against high-frequency fatigue; excellent heat dissipation minimizes localized heating.

    Frequently Asked Questions (FAQ)

    Q: What is the primary role of copper busbars in superconducting systems?
    Copper busbars serve as vital transition links between ambient temperature power supplies and cryogenic superconducting components, enabling stable high-current conduction, robust grounding, and mechanical stress absorption.
    Q: Why are laminated busbars preferred for cryogenic power connections?
    Laminated busbars minimize parasitic inductance, which suppresses dangerous voltage spikes to protect delicate superconducting magnets, while offering a compact form factor ideal for tight cryostat enclosures.
    Q: How do braided busbars manage vibration in cryostats?
    Braided copper busbars offer high mechanical flexibility and a tight bending radius, allowing them to absorb high-frequency vibrations from cryocoolers and mitigate thermal contraction movements without fatigue failure.
    Q: Can custom geometries such as L-shape or Z-shape busbars be manufactured?
    Yes, full customization is available throughout the design lifecycle, including bespoke L-shapes, Z-shapes, and tailored insulation barriers to fit complex spatial constraints within cryostats.
    Q: How are high-current safety and low thermal leakage balanced?
    Through advanced cross-sectional engineering, optimized material purity, rigorous insulation withstand validation, and temperature-rise testing to guarantee maximum electrical conductivity with minimal heat ingress.