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Product Details (Core Functions of Copper Busbars)
Copper busbars deliver three core functions in superconducting technology:
Connecting superconducting magnet power supplies to cryostat feedthroughs, carrying thousands of amperes of DC current reliably.
Equalizing enclosure and structural potentials while providing essential and safe protection paths.
Cushioning mechanical stress from cryocooler vibration and accommodating severe temperature variations.
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.
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)
Copper busbars serve as critical transition connections delivering high-current transmission up to thousands of amperes, providing equipotential bonding and grounding, and absorbing vibration and thermal stress between room-temperature terminals and superconducting magnets or cables.
Laminated busbars feature low parasitic inductance that effectively suppresses transient overvoltages, protecting sensitive superconducting magnets and power devices. Their flat profile also conserves limited space within cryostats.
Braided busbars provide superior flexibility and a minimal bending radius. They effectively absorb mechanical vibrations from cryocoolers and compensate for thermal contraction displacement while preventing high-frequency fatigue.
Yes, custom geometric configurations including custom L-shapes and Z-shapes are available to match specific structural and spatial constraints inside cryostats.
With over 10 years of expertise, the entire design cycle covers material selection, structural layout, stringent insulation withstand tests, and temperature-rise validation to meet low thermal leakage and high reliability demands.