China News Service Changsha, April 28 (correspondent Liang Xiao, Jiang Wei) At 0: 8 am on April 28, the first commercial maglev 2.0 in China jointly developed by CRRC Zhuzhou Electric Locomotive Co., Ltd. and Hunan Maglev Technology Research Center The version of the train ran at a speed of 160.7 kilometers per hour on the Changsha Maglev Express Line, marking the success of the world's first medium-speed maglev transportation system with a speed of 160 kilometers per hour.

  In July 2016, in order to further improve the technological level and commercial vitality of China's low and medium-speed maglev, Hunan made a major scientific and technological breakthrough in the deployment of the "medium-speed maglev transportation system". At that time, this work had no successful experience in the world. The research team gathered more than 20 Chinese top-level maglev units and divided 24 sub-topics and 6 major subsystems to conduct intellectual research.

China's first commercial maglev version 2.0 train ran at a speed of 160.7 kilometers per hour. Photo by Liang Xiao

  This speed-up test belongs to the most critical part of all the research work, which lasted 10 months to overcome major technical difficulties such as medium-speed suspension stability, axle-bridge coupling, and shoe-rail coupling, and overcome the test risk and no successful case. It is difficult to work at night and short hours. It is carried out according to the principles of low-to-high, step-by-step, and step-by-step verification, and the test of the maximum design speed of the train is 160 kilometers per hour.

  The Maglev version 2.0 train was manufactured in accordance with commercial operation standards and tested and verified on the commercial operation line. The measured maximum speed has exceeded the design level, and the vehicle operation comfort indexes meet the specifications, indicating that the medium-speed maglev transportation system It is fully equipped with engineering application conditions, and the next step can be directly applied to medium-distance municipal railway and intercity railway projects.

Graphical illustration of the speed-up test of China's first commercial maglev train version 2.0. Photo by Liang Xiao

  Why is the medium-speed maglev train with a speed of 160 kilometers per hour the best in the world? At present, there are 5 commercial maglev lines in the world. Among them, Shanghai is a high-speed maglev train with a speed of more than 400 kilometers per hour, and others are medium and low-speed maglev trains with an operating speed of 100 kilometers per hour. The highest speed medium and low speed maglev train system in the world is 131 kilometers per hour, which is tested by the Japanese HSST train on the test line.

  It is reported that this speed-up test is led by the Hunan Maglev Technology Research Center (specifically managed by Hunan Rail Transit Holding Group) and Hunan Maglev Transportation Development Co., Ltd., jointly with CRRC Zhuji, National University of Defense Technology, Tongji University National Maglev The center, China Railway Second Institute, Hunan Transportation Design Institute, Southwest Jiaotong University, Changsha University of Science and Technology and other units jointly carried out. (Finish)