At 8:5 on February 16, 2022, a CRH380AM-0204 comprehensive inspection train left Zhengzhou East Station to start the day's step-by-step speed-up test. This month, as the Puzheng section of the Jizheng high-speed railway enters the joint debugging and joint testing stage, the silver-grey EMU, which is called "Bronze Sword" by netizens, continues to set new records. On February 13, it ran a test with a speed of 385 kilometers per hour. top speed.

The CRH380AM-0204 comprehensive inspection train adopts a newly developed high-power traction system, and the total traction power reaches 22,800 kilowatts. It is affectionately called "Bronze Sword" by netizens because it looks like a sword unsheathed.

The step-by-step speed-up test means that according to the requirements of the joint debugging and joint test program, the comprehensive inspection train is arranged to gradually increase the running test speed on the line until it reaches 110% of the line design speed.

The main line of the Puzheng section of the Jizheng high-speed railway has a total length of 197.28 kilometers and a design speed of 350 kilometers per hour. There are 7 stations on the whole line. Among them, Zhengzhou East Station is an existing station, Xinxiang East Station is an existing station for reconstruction and expansion, Puyang East Station, Neihuang Station, Dredging Station (tentative name), Weihui South Station and Yuanyang Station (tentative name) are newly built stations. (Please indicate Seetao.com www.seetao.com for reprint) Seetao.com Engineering Column Editor/Wang Xia