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japan to develop efficient superconducting power transmission cable -凯发k8国际真人版安全送38元

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japan to develop efficient superconducting power transmission cable
upload of:2016-03-31 09-17-45 updated:admin

according to the "west japan news" reported that recently japan kyushu institute of technology professor emeritus mr. teruo matsushita basis of the existing low-temperature superconducting power transmission cable, the cable manufacturing process by improving the method of winding a superconducting wire, the successful development impedance less efficient superconducting power transmission cable.

copper transmission cables are currently widely used, due to the transmission of resistance, in the transmission process will lose some power. in order to reduce the transmission loss, some countries have developed the use of liquid nitrogen forming a low-temperature environment of about minus 190 ℃, the use of superconducting materials superconducting power transmission cable, but the use of superconducting power transmission cable in the vertical direction will produce superconducting wire current magnetic field, increasing the loss of transmission cable. kyushu institute of technology professor emeritus mr. teruo matsushita basis hvdc superconducting cable on the development of computing by making copper wire around the cable layers of the magnetic field direction and the current direction of superconducting wire parallel winding method, effectively improve the superconducting transmission performance of the transmission cable. the results show that, under the same conditions, new high efficiency superconducting power transmission cables carrying electric current is 3 times that of conventional superconducting power transmission cable, it is 20-30 times that of ordinary copper. the research results have been published in the british science journal

"superconductor science and technology (superconductor science and technology)" 2012 12. the successful development of new and efficient superconducting power transmission cable will effectively increase the transmission efficiency of long distance and large capacity dc power transmission network, providing strong support for the construction of new power grids of the future.

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