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Maintenance of traction and network control system
A-type subway, 12 car formation (8M4T), the world's longest subway, with a total of 17 trains. Before maintenance, 32.3% of the traction power modules and auxiliary power modules were in a faulty state. After more than 2 months of investigation, maintenance, and debugging, all vehicles have been put into operation during the Hajj period. From August 19 to August 23, 2018, 2.54 million passengers were transported, and the one-way cross-sectional flow per hour reached 72000 people.
Beijing Metro Line 15 Traction and Auxiliary Converter Power Module Maintenance Project
