The Karlsruhe Institute for Technology (KIT) presents a newly developed superconductor. It already permits loss-free energy transmission at temperatures around - 200 °C.
The HTS cross-conductor enables especially efficient energy transmission and already works at -196 °C.
(Source: Karlruher Institut für Technologie)
The scientific team from the Karlsruhe Institute for Technology presents at the Hannover Messe a new superconductor cable suitable made in a simple industrial process. Superconductors are materials capable of transmitting electricity almost lost-free below a certain temperature. They are therefore especially suitable for connecting wind parks to the grid, for direct-current supplies on ships, or even for high-voltage cables in tomorrow’s entirely electric aircraft.
The HTS cross-conductor cable is based on the material Rebco, a high-temperature superconductor discovered in 1987 and already usable at temperatures of -196 °C and below. Normally, conductors of this kind only function at close to -269 °C. In longer sections, however, it is only available in the form of thin tapes. The physicists at the KIT have now developed a method which enables high-current cables to be made from these tapes.
This HTS cross-conductor consists of Rebco tapes of two different widths combined to give a cross-shaped cross-section. This enables the cables to transmit very large direct currents, saving space and weight compared to conventional copper or aluminium cables.
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