高铁永磁牵引动力技术

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持续擦亮中国高铁“金名片”(权威发布)
Ren Min Ri Bao· 2025-06-19 21:51
Core Insights - China's high-speed rail (HSR) has become a global leader, with a total operational mileage of 48,000 kilometers by the end of 2024, making it the longest and fastest in the world [1] - The success of China's HSR is attributed to independent innovation and the development of a self-sufficient technology and standard system [1] Group 1: Technological Advancements - The CR450 train model, which utilizes high-speed permanent magnet traction technology, has achieved a 20% increase in traction power while reducing weight by 20% compared to existing models [1] - The design and construction of HSR lines have evolved from manual drafting to advanced Building Information Modeling (BIM) and integrated intelligent surveying techniques [2] Group 2: Workforce Contributions - Workers like Ma Xiaoli have contributed to HSR construction through innovative tools that address construction challenges, showcasing the importance of grassroots innovation [2] - The dedication of train operators, such as Kong Xiangpei, who has safely driven over 4.07 million kilometers, highlights the skilled labor force behind HSR operations [3] Group 3: Passenger Volume Growth - In 2024, the national railway passenger volume reached 4.312 billion, marking an 11.9% increase from the previous year [4] - The first five months of 2025 saw 1.86 billion passengers, a 7.3% year-on-year growth, indicating a strong recovery and demand for rail travel [4]