The grid transmission system in 2015 is expected to be “zero lossâ€. The Commercial Daily reporter learned yesterday that the scientific research team led by Prof. Li Xiaojie from the Department of Physics of Shanghai Jiaotong University took a three-year history and adopted a unique technical route to create the first-generation second-generation high-temperature superconducting tapes for domestic use and realized the domestic superconducting tape field. New breakthrough.
It is understood that superconducting materials, due to their unique zero resistance and full anti-magnetic properties, have broad application prospects in many fields such as industry, medicine, and national defense, such as cables, motors, transformers, energy storage, and nuclear magnetic resonance imagers. If the second-generation high-temperature superconducting tape is industrialized and produced, it can effectively solve the power expansion problem in densely populated metropolitan areas and improve the safety and reliability of the power supply system.
According to Professor Li Xiaojie, there are not many units capable of developing second-generation high-temperature superconducting tapes at home and abroad, and the research institutes that can dynamically and continuously prepare second-generation high-temperature superconducting tapes of more than 100 meters are currently only Shanghai Jiaotong University. In the world, only the R&D institutions in four countries, including the United States, have successfully developed second-generation high-temperature superconducting tapes with a length of more than 100 meters and capable of transmitting more than 100 ampere of superconducting current.
Today, Shanghai Jiaotong University has successfully developed the second-generation high-temperature superconducting tapes with a current carrying capacity of 194 amps and 100 meters. This phased result is conducive to accelerating the ultimate goal of large-scale commercial applications. After repeated trials and tests, the technology has successfully resolved the technical difficulties in the stability, repeatability, and reliability of the coating process that must be overcome to transfer from laboratory research results to industrialization, and thus laid the foundation for subsequent industrial production. basis.
It is reported that Shanghai Jiaotong University will strive to develop a second-generation high-temperature superconducting tape with a current carrying capacity of 1,000 amps and kilometers in 2015. The data shows that the existing power transmission system loses about 8%-10% during the transmission process. If the second-generation high-temperature superconducting cable is used for transmission, the power consumption is almost zero. According to the national sales of nearly 3 trillion kWh in 2009, Saving electricity will exceed 100 billion kWh, exceeding the annual power generation capacity of the Three Gorges Hydropower Plant.
It is understood that superconducting materials, due to their unique zero resistance and full anti-magnetic properties, have broad application prospects in many fields such as industry, medicine, and national defense, such as cables, motors, transformers, energy storage, and nuclear magnetic resonance imagers. If the second-generation high-temperature superconducting tape is industrialized and produced, it can effectively solve the power expansion problem in densely populated metropolitan areas and improve the safety and reliability of the power supply system.
According to Professor Li Xiaojie, there are not many units capable of developing second-generation high-temperature superconducting tapes at home and abroad, and the research institutes that can dynamically and continuously prepare second-generation high-temperature superconducting tapes of more than 100 meters are currently only Shanghai Jiaotong University. In the world, only the R&D institutions in four countries, including the United States, have successfully developed second-generation high-temperature superconducting tapes with a length of more than 100 meters and capable of transmitting more than 100 ampere of superconducting current.
Today, Shanghai Jiaotong University has successfully developed the second-generation high-temperature superconducting tapes with a current carrying capacity of 194 amps and 100 meters. This phased result is conducive to accelerating the ultimate goal of large-scale commercial applications. After repeated trials and tests, the technology has successfully resolved the technical difficulties in the stability, repeatability, and reliability of the coating process that must be overcome to transfer from laboratory research results to industrialization, and thus laid the foundation for subsequent industrial production. basis.
It is reported that Shanghai Jiaotong University will strive to develop a second-generation high-temperature superconducting tape with a current carrying capacity of 1,000 amps and kilometers in 2015. The data shows that the existing power transmission system loses about 8%-10% during the transmission process. If the second-generation high-temperature superconducting cable is used for transmission, the power consumption is almost zero. According to the national sales of nearly 3 trillion kWh in 2009, Saving electricity will exceed 100 billion kWh, exceeding the annual power generation capacity of the Three Gorges Hydropower Plant.
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