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| What is Conductus® ? |
- Conductus® is STI's superconducting wire product family.
- Conductus® 2G High Temperature Superconducting (HTS) Wire is capable of supporting a broad range of applications and performance requirements.
- 2G HTS wire is a high current carrying conductor manufactured by growing a crystalline film of rare-earth-barium-copper-oxide (RE-BCO) which acts as a superconductor.
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| Conductus® 2G HTS Wire |
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- Superconducting wire will modernize power distribution, transmission, and
generation. It offers dramatic performance improvements, higher power
density, smaller size, and significant cost benefits over traditional copper wire.
When compared to equivalent copper based products, electrical
systems using 2G HTS Wire can take advantage of the higher power
density and greater efficiencies that superconducting wire provides.
- Initial applications for Conductus® 2G HTS wire
include high power transmission and distribution cables, superconducting fault current limiters, large industrial motors and generators, and offshore wind turbine generators.
- Interest for Conductus® 2G HTS Wire has grown steadily. We believe our proprietary technology and manufacturing expertise will enable broad commercialization by addressing three industry requirements: reliable supply, price, and performance.
- These significant advantages will enable substantial market opportunities, primarily with Smart Grid infrastructure applications.
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| Conductus® Superconducting Wire Technology |
- STI's manufacturing methods for HTS wire uses a simplified wire architecture that produces high performance wire which is cost competitive with copper.
- The production of STI's Conductus® Superconducting wire utilizes three primary manufacturing processes:
- First, a commercial-grade stainless steel template is passed through a solution deposition planarization (SDP) process. SDP is a non-vacuum, self-planarizing, inexpensive process, which provides a smooth starting surface as an alternative to electropolishing, reducing both cost and chemical waste.
- Next, the template is prepared to provide optimal conditions for the effective deposition of superconducting material through the use of an Ion Beam Assisted Deposition (IBAD) process. The resulting template provides an ideal surface condition to fully leverage STI’s commercially proven, proprietary HTS materials deposition process.
- Then, the HTS material is deposited onto the template using STI's proprietary Reactive Co-Evaporation Cyclic Deposition and Reaction (RCE-CDR) HTS deposition process.
- Our unique RCE-CDR HTS deposition offers an economic, scalable, high throughput process to successfully commercialize HTS wire for large emerging markets.
- Overall, STI’s HTS wire process requires fewer manufacturing steps than other production techniques. Fewer steps reduces the total processing time and increases product yield. Reduced processing time requires less production equipment per km of wire, which results in lower cap-ex, less electricity usage, and a smaller production footprint.
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