时速400公里停电1分钟自愈，中国高铁黑科技重新定义“地表最快”

Group 1 - The core viewpoint of the news highlights China's advancements in high-speed rail technology, showcasing innovations such as a self-healing power supply system and the CR450 train, which operates at a speed of 400 km/h [2][4][10] - The self-healing traction power supply system can automatically locate faults, isolate affected areas, and restore power within one minute, significantly improving reliability compared to traditional systems [3][4][7] - The CR450 train, recognized as the fastest member of the Fuxing family, aims to maintain energy efficiency while achieving high speeds, with its intelligent sensing system monitoring thousands of operational parameters [8][10] Group 2 - The establishment of a 5G innovation laboratory supports the development of a complete 5G technology standard system for railways, enhancing communication and operational efficiency [12][14] - The laboratory has deployed five 5G base stations along the railway, ensuring comprehensive 5G-R network coverage, which is crucial for real-time monitoring and passenger services [14] - The advancements in high-speed rail technology, from the power supply system to the integration of 5G, signify a transformative shift in China's railway industry, setting a new benchmark for smart travel [12][14]