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Release -- Superconductor Week does not edit or endorse the following
news release:
Sumitomo Electric Industries
announces 180A critical current DI-BSCCO wire performance
Japan, 3 April 2007:
Sumitomo Electric Industries, Ltd. has started shipping samples of its
innovative bismuth (Bi) based high-temperature superconducting (HTS) wire
"DI-BSCCO" that has a critical current (Ic) value of at least 180 A. The
shipment of mass-produced DI-BSCCO is scheduled to begin at the end of June
2007.
Sumitomo Electric had developed the world's top-level Bi-based HTS wire and
participated in several HTS cable demonstration projects including the Albany
HTS Cable Project in the United States. The Company has been selling its
high critical current HTS wires (Ic >150 A) in the global market.
In January 2006, Sumitomo Electric developed a HTS wire with the world's
highest critical current performance of at least 200 A. After achieving
performance improvement and cost reduction and establishing the mass- production
technology of this HTS wire, Sumitomo Electric started the shipment of
commercial samples of its innovative HTS wire with Ic >180 A (20% improvement
from Ic >150 A).
Critical current is the maximum current that can be transmitted in the
superconducting state and it is the most important performance value for a
superconducting wire. The improvement of critical current is expected to
result in the improvement of electric power quality and energy efficiency
of various products using superconducting wires, such as power cables,
transformers, motors, generators and magnets. The use of high critical
current superconducting wires reduces the number of wires used in these
applied products, and hence is expected to contribute to improving the
price competitiveness of the products.
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