Advanced transmission technology will become an important support for the construction of the global energy Internet

On May 16, with the unveiling of the State Key Laboratory of Advanced Power Transmission Technology, another think tank was established to study cutting-edge technologies such as long-distance and energy-efficient transmission of energy and interconnection of renewable energy sources.

Nowadays, building a global energy Internet has become an international consensus to develop long-distance and large-capacity transmission, improve transmission efficiency and resource utilization, and improve the safety, flexibility and controllability of the power grid. Research on advanced transmission technologies is urgently needed. Based on the traditional transmission technologies, the State Key Laboratory of Advanced Energy Transmission Technology of the Global Energy Internet Institute will develop advanced transmission theory, innovate advanced transmission modes, and improve the efficiency, environmental protection, intelligence and energy conservation of electric energy by means of increasing voltage levels and converting power forms, Long-distance transmission, for the construction of the global energy Internet provides an important technical support.

Technology upgrades for energy interconnection laid the foundation

What are the two basic conditions for building a global energy Internet? EHV DC transmission technology and flexible DC transmission technology is essential. The former is an effective means of trans-national cross-border transmission of electricity, while the latter provides protection for a wide range of clean energy grid. These two are the key research directions of the State Key Laboratory of Advanced Power Transmission Technology.

State Key Laboratory of Advanced Power Transmission Technology is one of the earliest scientific research and experimental institutes in China that carry out research on power electronics technology of HVDC and power systems. After more than ten years' development, five research platforms including high-power power electronics, flexible DC transmission simulation, flexible AC transmission simulation, power electronics and power transmission materials have been built and a number of scientific and technological research teams have been trained.

Leading technology is an effective guarantee for the strategic landing. In the process of building the global energy Internet, the State Key Laboratory of Advanced Power Transmission Technology has carried out the material, test and equipment of the advanced power transmission system around technologies such as UHV DC transmission, UHV / UHV AC transmission, flexible DC transmission and DC grid. And system integration and other basic technology research, continue to promote the theory, technology, equipment, testing, system integration, collaborative innovation and further enhance the technological leadership.

According to laboratory personnel, an important task of the laboratory is to realize the long-distance transmission of 10-megawatt electric energy and develop technologies to improve the utilization efficiency of renewable energy so as to enhance the operational flexibility and security and stability of the power grid. In materials research, the laboratory focuses on enhancing research and development capabilities in power semiconductor devices, insulating materials and other fields, forming original achievements and realizing the transformation and application promotion of achievements. "We believe that through technology transformation, we can ultimately provide technical support for the global energy Internet and serve the national energy strategy."

Fruitful technical transformation to help engineering applications

125 science and technology projects, 35 major scientific research projects, 3 first-class national science and technology progress awards and 2 gold patents of China. They participated in the formulation of 44 national and industrial standards and participated in the formulation of 11 IEC standards. The lab has achieved fruitful results in the past five years.

In recent years, the laboratory has grasped the opportunities for the construction of UHV and smart grids and made continuous breakthroughs in basic theoretical research of high voltage / UHVDC transmission, flexible DC transmission and FACTS, development of key technologies and construction of test platforms and achieved A number of innovative achievements for the future development of new high-end power equipment and power grids provide a technical reserve.

December 17, 2015, the world's highest voltage level, the largest transmission capacity of bipolar flexible DC transmission project - Xiamen ± 320 kV / 1 million kilowatts of flexible DC transmission technology demonstration project put into operation. The core equipment of the project - ± 320 kV / 100 MW soft DC converter valve from the State Key Laboratory of Advanced Power Transmission Technology.

In January 2013, a prototype of ± 320kV / 1 million kilowatts of flexible DC-DC converter valve and valve control equipment was successfully developed and passed all the type tests of 4 international standards such as IEC62501, as well as the international certification authority Det Norske Veritas ( DNV) KEMA laboratory testified that China has completely independent intellectual property rights. DNV, on its official website, said: "It (flexible DC-DC converter valve) broke the world record in voltage and capacity levels, marking a major success for modular multilevel flexible DC transmission technology. The successful passage of the pilot- Is an important milestone in the development of the super-power grid. "Bjorn & dot; Marksen, DNV's chief operating officer, commented:" The internationally advanced technology you have achieved has made a significant contribution to the global energy industry Contribution. "Xiamen soft project voltage level and transmission capacity both hit the highest in the world, the project for the first time in the world using bipolar topology, marking China's real flexible DC transmission technology in the field of international leadership for the construction of the global energy Internet Strong technical support.

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Luoyang Hong Xin Heavy Co., LTD. is located in Luoyang Xin'an Industrial Park, Luoyang Hongxin Heavy Machinery Co., Ltd is an enterprise featured with industrial designing, processing and manufacturing, which is qualified for import-export trade. Covering an area of 15,000 square meters and holding an annual production value of 80 million RMB, the company of 20 million RMB registered capital has total 100 staff members, among which there are 20 engineering technicians owning senior and medium professional titles and 40 intermediate and senior technicians capable of product designing and developing.

Hongxin is dedicated to produce reducers, hoists, crushers, Ball Grinding Mills and the equipments of screening, coal washing, metallurgy and cement, and replacement parts. Meanwhile, we provide the perform maintenance service for various series of equipments. There are 52 large-scale equipments applied into the manufacturing process, such as T200 CNC floor boring and milling machine, YK 73125 CNC molding gear grinding machine, YK322B CNC molding gear grinding machine, Y3200 gear hobbing machine, Y1600 CNC gear sharper, 4m vertical lathe, 6.3m CNC vertical lathe, T110 CNC boring machine, and 52 middle-sized productive and assistive equipments, which integrate strong manufacturing and processing capability with complete managing system of production and technology, quality management system and comprehensive testing measures.

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