成渝中线高铁四川段“心脏”全部就位 建设迈入新阶段

Core Viewpoint - The installation of the last traction transformer, weighing 39.6 tons, at the Lezhi Traction Substation in Sichuan marks the successful completion of the traction transformer installation for the Chengyu Middle Line High-Speed Railway in Sichuan [1][3]. Group 1: Installation Details - A total of 12 traction transformers have been installed at three traction substations located in Anyue, Lezhi, and Jianzhou, forming the core framework of the power supply system for the entire line [3]. - The installation process involved heavy equipment with high precision requirements, and the construction team developed a detailed plan to ensure smooth operations, utilizing a YT-100 hydraulic push device for positioning [3]. - The project achieved a milestone with all 12 transformers being installed and accepted on the first attempt, with zero accidents reported during the process [3]. Group 2: Future Developments - With the completion of this installation, the construction of the traction power supply system for the Chengyu Middle Line High-Speed Railway has entered a new phase focused on equipment installation, wiring, and debugging [3]. - Upcoming tasks include the installation of transformer accessories, laying and connecting high-voltage cables, and installing protective devices, which are critical for powering the substations and electrifying the contact network [3]. Group 3: Broader Impact - Once completed, the Chengyu Middle Line High-Speed Railway will connect existing high-speed rail lines from Xi'an to Chengdu and Zhengzhou to Chongqing, as well as ongoing projects, enhancing the transportation network in the Chengyu region and reducing travel time between Chengdu and Chongqing [4].