Prototype launch Maglev train in Chengdu, source: ANP

China unveils maglev train with peak speed of 620 km/h

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China has presented a prototype of a maglev train with a record designed speed of 620 kilometers per hour. The new train, using high-temperature superconducting (HTS), was rolled out on Wednesday in southwest China’s city of Chengdu. China’s fastest currently operating maglev line has a maximum speed of 431 kilometers per hour.

At the launch ceremony on 13 January in Chengdu, the 21-meter-long locomotive prototype could be seen floating slowly along the track. A 165-meter line to test the new train was launched on the same day, reports China’s state-run Xinhua News Agency.

“Although the theory sounds good, everyone saw it (HTS maglev technology) as a lab toy in the past, without tests in a real situation,” said Deng Zigang, deputy director of the university’s research center for super-high-speed maglev transport in low-pressure tubes.

Levitating train

Maglev trains, levitated from the tracks and propelled by powerful magnets to avoid wheel-rail friction, are designed to break the speed bottlenecks facing high-speed trains. China’s first commercial maglev system was put into operation in 2003 in Shanghai and has a maximum speed of 431 kilometers per hour. The 30 kilometer stretch between downtown and the city’s Pudong airport is based on German maglev technology of ‘electromagnetic suspension’ (EMS).

Compared with other maglev technologies, HTS tech is more suitable for the futuristic concept of superfast transportation in vacuum tubes, where trains could hit speeds of over 1.000 kilometers per hour, according to experts.

“The HTS technology can make the train float without electricity, and it can be moved with just one hand”, said Deng Zigang. According to the report, at the launch a reporter succeeded in moving the 12-tonne levitated locomotive with one finger.

Medium-speed maglev

China’s first medium-and-low speed maglev line fully supported by the country’s own EMS technology started operations in May 2016 in Changsha, Hunan Province, Xinhua reports. It has a design speed of 100 kilometers per hour. Involving an investment of 60 million yuan (7.6 million euros), the HTS maglev project was jointly developed by Southwest Jiaotong University, China Railway Group Limited and CRRC Corporation Limited.

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Author: Esther Geerts


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