On the 7th, the reporter learned from the China Railway Construction Electrification Bureau Group that the "four power" system integration technology and the joint debugging test technology with independent intellectual property rights developed by the group company provide a platform for China's high-speed railway communications, signals, electricity, electricity Traction power supply system provides a complete and systematic solution, and has been extended to urban rail transit project, Hong Kong-Zhuhai-Macao Highway Bridge traffic engineering projects, the first in the world to achieve cross-border innovation, the overall reached the international advanced Level.
"Four-Power" refers to the high-speed rail communications, signals, electricity and electrification, which is the soul of the HSR operation. The group developed a complete set of high-speed rail catenary components with independent intellectual property rights to further improve the safety and reliability of high-speed rail catenary. The ultra-fine grain strengthened copper-magnesium alloy contact line of high-speed railway developed by itself, Conductive rail, high-speed railway contact network calculation and installation system, both high-speed railway system interconnection and other key equipment and core technologies have been fully produced and widely used. Among them, the line of ultra-fine grain strengthened copper-magnesium alloy with independent intellectual property rights of 400 km / h and above has reached the international advanced level, which has filled the domestic blank and broke the monopoly of foreign technology. The product is successfully applied in the construction of domestic high-speed trains such as Zhengxi, Hanyi and Beijing Shishu, and is also exported to Korea, Ethiopia and other international markets in line with the national high-speed railway technology.
China Railway Construction Electrification Bureau Group of technical experts, at present, the group of companies to study the formation and application of high reliability catenary complete sets of equipment and integration of key technologies, catenary chain suspension overall suspension string construction technology, double ground network grounding Technology, gale section catenary system key technologies, construction of the lower part of the contact line corrosion and stability of the construction technology to further improve the high-speed railway bow network accuracy, to ensure that windy areas, coastal and other special circumstances traction power supply catenary system of operational safety. The project of "innovation and application of high speed railway catenary / pantograph system based on coupling dynamics" participated by the group company won the second prize of National Science and Technology Progress Award. (Reporter Guozhong)
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