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Changsha trials low-speed maglev rail line
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China¡¯s first home-developed low-speed maglev rail had a trial run on Dec. 26, 2015 in Changsha, Hunan province, marking the nation becoming the fourth in the world to master medium- and low-speed maglev rail technology, joining Germany, Japan and South Korea. The trains designed and manufactured mainly by CRRC Zhuzhou Locomotive Co., Ltd and Southwest Jiaotong University. The line, which stretches 18.55 kilometers and links the Changsha south railway station with the Huanghua airport, with one stop in between, is the longest of its kind in the world. More than 90 percent of the track is built on bridges. The line allows maglev trains to run at a maximum speed of 100 km/h. The trains, each of which is 48 meters long, have three carriages each and can carry a maximum of 363 passengers. It takes about 20 minutes to cover the distance. The train is suspended 8 mm above the rail, thanks to 20 stabilizers under each carriage, which involves many different technologies including system design, electromagnetic compatibility, control theory and control algorithm. The gap sensors work thousands of times each second, detecting the rail and slope conditions and track joints, to tell the control system how to make adjustments. Configuration -Mc1+M+Mc2- Line voltage 1,500V DC Design speed 100 km/h Seating capacity per train 363 Length per train 48,310 mm Width 2,800 mm Height 3,650 mm Floor height 880 mm Track gauge 1,860 mm Max. gradient 70¡ë Min. curve negotiation radius 50 m
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