Full adoption of Chinese standards

According to the Guangzhou Metro official weibo news, June 29, the first domestic 80 km/h A type Chinese standard metro train (hereinafter referred to as “standard train”) released in Guangzhou. According to reports, the train comprehensive use of Chinese standards, the application of independent research components, marking China’s urban rail transit equipment level into a new stage. Standard train after commissioning, the year will be officially put into use in Guangzhou Metro Line 2 or Line 8.

China’s first 80 kilometers per hour A-type Chinese standard metro train released in Guangzhou. Guangzhou Metro Group for the picture

China’s standard subway train is led by China’s standards, the use of standardization, modularity, serialization of the design concept, inherited from existing subway train experience, combined with the needs of domestic metro users to independently develop, with technology leading a new product platform.
It is understood that the subway train according to the width of the body can be divided into A, B, C and other models, of which the A-type train width is the largest, the largest number of passengers, the speed of 80 kilometers per hour is also most of the urban centers of the subway lines used by the speed level. The successful development of the standard train marks an important achievement of the serialization of China’s standard metro train project, helping China’s urban rail transit to achieve high-quality development.

China’s first 80 kilometers per hour A-type Chinese standard metro train released in Guangzhou. Guangzhou Metro Group for the picture

According to reports, the standard train to achieve the key components of autonomy, generalization of parts, component modularity, system integration, functional configuration, vehicle standardization, etc., the key core technology research has made a major breakthrough, the car body, bogie and other key systems to fully adopt the Chinese standard, bearings, coupling joints, chips, high and low-voltage electrical components, such as 28 key components to achieve autonomy, and significantly reduce the cost of train maintenance, operation and maintenance costs, to help the industry scale up and industry standardization. This will greatly reduce the cost of train maintenance and operation, and boost the industrial scale and standardization of the industry.
In addition, the standard train adopts permanent magnet traction system and comprehensive energy-saving control technology, which saves more than 15% energy compared with traditional asynchronous traction system; adopts lightweight high-frequency auxiliary reversing system, which reduces the weight of each train by more than 600 kilograms and further reduces the operational energy consumption; the train air conditioner has the function of air purification and virus elimination, which enhances the air quality of the passenger compartment and creates a green train.

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