成渝中线高铁四川段“心脏”安装完成，预计2027年建成通车

Group 1 - The installation of traction transformers for the Sichuan section of the Chengyu Middle Line High-Speed Railway has been successfully completed, laying a solid foundation for the power supply system [1][2] - A total of 12 traction transformers have been deployed at three traction substations located in Anyue, Lezhi, and Jianzhou, forming the core framework of the power supply system for the entire line [2][3] - The Chengyu Middle Line High-Speed Railway, part of the national "Eight Vertical and Eight Horizontal" high-speed rail network, is designed for a speed of 350 km/h and is expected to be completed and operational by 2027, with a maximum operational speed potentially reaching 400 km/h [4] Group 2 - The project team faced multiple challenges during the installation of the traction transformers, including heavy equipment weight and strict installation precision requirements, but achieved zero accidents throughout the process [2][3] - The next steps include the installation and testing of substation equipment, high-voltage cable laying and connections, and the installation of protective devices, which are critical for the commissioning of the substations [2][3]