Xj Dc Transmission Technology To Break The Monopoly
20 century and the mid-80s, XJ continuously in the “Plan”, “Eighth Five-Year”, “Ninth Five-Year” and “15” bear country during the HVDC technology and equipment at home research project.
Products 2007 6 8, held in Guangzhou, the world’s first special High pressure HVDC demonstration project in Yunnan? Guangdong ± 800 kV HVDC converter station master works contract signing ceremony, XJ Group and China Southern Power Grid Corporation signed a value of 1.056 billion yuan of 50% of the DC converter control valve and a full set of protective equipment contract .
The same year on December 17th, XJ Group and State Grid Corporation signed Xiangjiaba? Shanghai ± 800 kV HVDC converter station equipment demonstration project procurement contracts. According to the contract, the project is confirmed XJ DC converter control and protection equipment, and valve equipment suppliers.
In the two ± 800 kV HVDC project, the control and protection system XJ 75% share.
Technology Introduction In early 2005, Xu began to be conducted following the HVDC control and protection of the research work proposed for the national HVDC project prepared and submitted a complete control and protection of the feasibility report and recommended the program.
2006, the combination of Henan key “key technology of UHV power transmission equipment,” the implementation of the XJ started ± 800 kV HVDC control and protection of key technologies.
Received the mission to develop high voltage equipment, XJ will be a major strategic initiatives as the company, set up a special high-pressure research project leading group and battle command, and develop a product development control, software control, production control, monitoring manufacturing control, engineering control, supplier quality assurance and after-sales responsibility, investment 100 million yuan on UHV Engineering Research Center for technical transformation and upgrading.
In the two HVDC projects, the promise followed by DPS-2000 system, through the principal, integrated and innovative way, a lot of the original system optimization and upgrading of design and manufacture of 100%, respectively Domestic complete control and protection system DPS-2000A and DPS-2000B. Among them, the Operator Control System, sports communication system, run the personnel training system, for flow protection, AC filter to protect the core of key equipment, completely independently developed by XJ, the latest cross-platform technology skills and equipment domestically. AC and DC station control system, most control systems, DC-protection system, the latest international procurement through self-control system hardware board, independent or foreign joint hardware and software Cooperation Development.
Meanwhile, XJ also self-completed, including special high-voltage converter valve insulation coordination, test methods for flow valves, cooling system design, etc., special high-voltage converter valve key technologies to realize high voltage 6 ETT converter valve inches 5 inches LTT equipment and equipment for self-flow valve design, with a special high-pressure converter valve development and routine testing capacity, and annual production of two high voltage direct current transmission project converter valve components capacity.
Background 20 century and the mid-80s, XJ continuously in the “Plan” “Eighth Five-Year,” “Ninth Five-Year” and “15” bear country during the HVDC technology and equipment at home research project.
2002, the promise following the introduction of Siemens DC control and protection equipment, manufacturing technology and accumulated in the early independent technical and engineering experience, based on the integration of foreign technology through innovation and independent R & D, the introduction of a comprehensive technology upgrade developed the world-advanced level and complete sets of independent intellectual property rights protection equipment DPS-2000 control system, completely breaking the core technology of DC transmission multinational monopoly.
Through Zhoushan, Sheng Si, Lingbao, your wide 2 back, kaolinite and other completely independent from the domestic construction of experience in direct current transmission project, from technology introduction, digestion and absorption to the engineering validation, to independent innovation, XJ accumulation a wealth of equipment development and engineering experience.
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