The Ministry of Railways said that the frequent occurrence of EMU faults in the northeast is running in
Train air-conditioning system malfunctions, frequent delays, and the doors cannot be opened and closed ... The D-headed car (EMU train) in the northeast direction has been running constantly since the first day of April 18th. Yesterday, the person in charge of the Ministry of Railways told reporters that the CRH5 train running northeast is in the running-in period, but this situation will be normal in the future. It is understood that the period from April 16 to April 22 is the alternating period of the old and new operating maps of the national railway department. As of 18:00 on April 22, the national railway's 2499 passenger cars and 32200 freight trains all operated according to the new train operating map. In the 7-day alternating time, the on-board passenger departure and arrival punctuality rates reached 99.8% and 98.9%, respectively. During the map adjustment, some lines will be delayed due to the adjustment of the operation map. According to previous reports, CRH5 trains used in the northeast are mostly unable to start and be delayed on time due to mechanical failures. When the train speed is higher than 200 kilometers per hour, electric brakes and air brakes may not work properly. The staff of Shenyang Railway Bureau told reporters that the CRH5 train was off the line in March, using French company technology, so it did not participate in the tens of thousands of kilometers before the railway department speed-up operation test. Compared with other trains, CRH5 trains are relatively lack of durability experiments, which may cause some problems that have not been solved in the experiments, but have appeared in operation; CRH2 trains have basically no accidents. In addition, because the trains that the train crews have trained before are all CRH2, the crew of the train crew is still groping and proficient in the vehicle's hardware facilities, resulting in the crew not very familiar with the new CRH5 new car. In addition, according to the needs of passengers in China, the railway department of China has changed or improved the head shape and width of the CRH5 car body, which is also one of the reasons for the insufficient technical stability of the train. At present, the stereotypes of T, K and other trains in operation are all over ten years or even decades, so they are completely stable. The new D-train train is operating for the first time and is still in the running-in period, and it needs to gradually adapt to the climate, routes, and user rules.
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