"The high-speed trains from Harbin to Xiangyang, Hangzhou, Nanjing and other places are all equipped with the newly assigned Fuxing High Cold Intelligent Multiple Unit." On the 7th, after the Heilongjiang delegation opened a group meeting, Xing Yuntang, a member of the National People's Congress and the driver of the high-speed train of China Railway Harbin Bureau, told Science and Technology Daily reporters that minus 30-40 degrees Celsius is the normal temperature in Heilongjiang, and the operation of the high cold intelligent multiple unit has undergone cold resistance tests, Excellent frost resistance, stable and comfortable operation. In the just past winter, the passenger volume doubled year-on-year. As the driver of the high-speed train, Xing Yuntang has firsthand experience and experience in operating the new high-altitude intelligent high-speed train. "In snowy or frosty weather, drivers will pay attention to their handling methods." Xing Yuntang said that when driving a high-speed train, drivers should pay special attention to the voltage fluctuations between the pantograph and the overhead contact network, and judge whether the current collection conditions for the voltage or pantograph to obtain current are normal based on experience. The intelligent multiple unit will provide auxiliary warnings and prompts based on the operation situation, helping the driver determine the icing situation of the contact network. "The newly assigned model is the CR400BF model, which has stronger power and more stable performance when driving. After the renovation, the control panel of this model is more user-friendly and the driver's seat is more comfortable." Xing Yuntang said that the CR400BF high-speed train is designed to travel at a speed of 400 kilometers per hour, and currently operates at a speed of 300 kilometers per hour. In the future, running at a speed of 400 kilometers per hour is not a problem when all conditions are met. "With faster speed and more comfortable travel experience, it will attract more tourists from other places to come to Heilongjiang, promoting better economic development in Heilongjiang," Xing Yuntang said. (Lai Xin She)