Recently, a magical "wire" experiment succeeded!
It can transmit electricity and air, called high temperature superconducting cable.
The system operating voltage of this project is ±100 kv, which is the highest in the world.
What does a superconducting cable look like?
Superconducting cable system is mainly composed of outer sheath, dewar tube, liquid nitrogen, superconducting cable core and cryogenic refrigerator.
The outer sheath of the superconducting cable system is the same as the conventional cable outer sheath.
Inside the outer sheath is a double layer high vacuum insulated dewar stainless steel tube.
Liquid nitrogen flows through a Dewar pipe.
The superconducting cable core is immersed in liquid nitrogen.
Cryogenic refrigerator as the auxiliary machine of the system to promote the liquid nitrogen cycle and refrigeration for the whole system.
High temperature superconducting cable has the characteristics of high current carrying and low loss.
Natural gas as a clean energy has been developed rapidly in recent years.
As a new way of energy distribution and transportation, superconducting energy pipeline realizes the integrated transmission of electric power and liquid fuel, and the integrated energy transmission efficiency is high.
"HTS will have broad application prospects in new power systems such as offshore wind power transmission and port power transmission."
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