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International first! A superconducting cable lights up the bay Area's tallest building!

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International first! A superconducting cable lights up the bay Area's tallest building!

On September 28, after four years of efforts by the team, China's first 10-kilovolt, 400-meter three-phase coaxial high-temperature AC superconducting cable was put into production in Shenzhen. Superconducting cable in front of the attributive more, do not go into detail, in short, you know this technology is very cattle on the line.


Measuring just 17.5 centimeters in diameter and 400 meters in length, the new superconducting cable has a power transmission capacity of 43 megavolt-ampere, which is equivalent to four high-speed trains running at 350 kilometers per hour simultaneously, and five times the power transmission capacity of conventional cables.


The three-phase coaxial superconducting cable developed and put into production this time is the most compact superconducting cable with the least amount of strip material and the most difficult to develop. The project team has made major breakthroughs in the overall design and manufacture of superconducting cable system, the development of domestic GM refrigerator with large cooling capacity and other key technologies, realizing 100% localization of key equipment and filling the domestic technological gaps.


This is the world's first superconducting cable to be used in the center of a super-large city, and the key equipment is 100% domestic, indicating that China has fully mastered the key core technology of superconducting cable design, manufacturing and construction.


In recent years, the power supply of large urban centers around the world is facing great challenges. Shenzhen has the highest power load density of any city in China, and the load density of the central business district is "the peak of the peak". This project provides a package solution to the practical problems of high power supply reliability, high load density, high power quality and limited land resources, and also provides a new solution to similar problems in super-large cities around the world.

Pub Time : 2021-10-22 16:16:04 >> News list
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